Rosemount X-STREAM Enhanced Gas Analyzer Series Manuals & Guides

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Instruction Manual

HASXEE-IM-HS 05/2017

Gas Analyzers

X-STREAM Enhanced Series

Instruction Manual

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ESSENTIAL INSTRUCTIONS

READ THIS PAGE BEFORE PROCEEDING!

Emerson Process Management (Rosemount Analytical) designs, manufactures and tests its products to meet many national and international standards. Because these instruments are sophisticated technical products, you MUST properly install, use, and

maintain them to ensure they continue to operate within their normal specications.

The following instructions MUST be adhered to and integrated into your safety program when installing, using and maintaining Emerson Process Management (Rosemount Analytical) products. Failure to follow the proper instructions may cause any one of the following situations to occur: Loss of life; personal injury; property damage; damage to this instrument; and warranty invalidation.

• Read all instructions prior to installing, operating, and servicing the product.

• If you do not understand any of the instructions, contact your Emerson Process

Management (Rosemount Analytical) representative for clarication.

• Follow all warnings, cautions, and instructions marked on and supplied with the product.

• Inform and educate your personnel in the proper installation, operation, and maintenance of the product.

• Install your equipment as specied in the Installation Instructions of the

appropriate Instruction Manual and per applicable local and national codes. Connect all products to the proper electrical and pressure sources.

• To ensure proper performance, use qualied personnel to install, operate, update, program, and maintain the product.

• When replacement parts are required, ensure that qualied people use replacement parts specied by Emerson Process Management (Rosemount Analytical).

Unauthorized parts and procedures can affect the product’s performance, place the safe operation of your process at risk, and VOID YOUR WARRANTY. Look-alike

substitutions may result in re, electrical hazards, or improper operation.

• Ensure that all equipment doors are closed and protective covers are in place,

except when maintenance is being performed by qualied persons, to prevent

electrical shock and personal injury.

The information contained in this document is subject to change without notice.

X-STREAM and IntrinzX are marks of one of the Emerson group of companies.

All other marks are property of their respective owners.

7th edition, 05/2017

Emerson Process Management GmbH & Co. OHG Rosemount Analytical Process Gas Analyzer Center of Excellence

Industriestrasse 1 63594 Hasselroth Germany T +49 6055 884 0 F +49 6055 884 209

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Instruction Manual

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SHORT FORM GUIDE FOR THIS MANUAL

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To nd information about see chapter

Safety instructions ...........................S

The different instruments designs ..............1

The instruments technical data.................2

Measuring principles characteristics ............3

How to install the instruments .................4

1st startup procedures,

checking the instrument’s setup................5

Software menu structure, how to navigate

and menu entries descriptions .................6

Basic procedures (e.g. calibration)..............7

Table of contents

TOC

Maintenance procedures ......................7

Status messages and troubleshooting ..........8

Service information ..........................9

Dismounting and disposal of instruments........10

Block diagrams, terminals & connectors..... Appendix

Index .....................................IDX

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Table of ConTenTs

Introduction S-1

Denitions S-1

Terms Used in This Instruction Manual ......................................... S-2

Symbols Used on and Inside the Unit .......................................... S-3

Symbols Used in This Manual ................................................ S-4

Safety Instructions S-5

Intended Use Statement..................................................... S-5

General Safety Notice / Residual Risk .......................................... S-5

ADDITIONAL LITERATURE.................................................. S-5

Authorized Personnel ....................................................... S-6

Notes on Batteries ......................................................... S-6

Installing and Connecting the Unit............................................. S-7

Operating and Maintaining This Unit ........................................... S-7

Chapter 1 Technical Description 1-1

1.1 Overview .............................................................1-4

1.1.1 The Front Panel.......................................................1-4

1.2 Congurationof Gas Lines ...............................................1-5

1.2.1 Materials Used .......................................................1-5

1.2.2 Safety Filter ..........................................................1-5

1.2.3 Gas Inlets and Outlets..................................................1-5

1.2.4 Tubing ..............................................................1-5

1.2.5 Infallible Containments .................................................1-5

1.2.6 Optional Components for Gas Lines .......................................1-6

1.2.7 Congurations .......................................................1-10

1.3 Interfaces ............................................................1-11

1.3.1 Analog Outputs ......................................................1-11

1.3.2 Status Relays .......................................................1-11

1.3.3 Modbus Interface, Ethernet .............................................1-12

1.3.4 Serial Interface ......................................................1-12

1.3.5 USB Interfaces ......................................................1-12

1.3.6 Optional Interfaces ...................................................1-13

1.4 Comparison of the Various X-STREAM Enhanced Analyzer Models ..............1-14

1.5 X-STREAM XEGK: ½19 Inch Table-Top Unit.................................1-16

1.6 X-STREAM XEGP: 19 Inch Table-Top or Rackmount Design ....................1-18

1.7 X-STREAM XEXF: Field Housing With (XEF ) Single or (XDF) Dual Compartment ...1-20

1.7.1 Field Housings XEXF for Installation in Hazardous Areas (Ex-Zones & Divisions)...1-24

1.8 X-STREAM XEFD: Cast Aluminum Flameproof Housing .......................1-25

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Chapter 2 Technical Data 2-1

2.1 Common Technical Data ...............................................2-2

2.2 Model-Specic Technical Data.............................................2-6

2.2.1 X-STREAM XEGK: ½19 Inch Tabletop Unit .................................2-6

2.2.2 X-STREAM XEGP: 19 Inch Tabletop and Rack-Mount Models . . . . . . . . . . . . . . . . .2-12

2.2.3 X-STREAM XEXF: Field Housing With (XEF) Single or (XDF) Dual Compartment ..2-15

2.2.4 X-STREAM XEFD: Flameproof Housing...................................2-19

2.3 Information on Name Plate ..............................................2-22

Chapter 3 Measuring Principles 3-1

3.1 Infrared Measurement (IR)

Ultraviolet Measurement (UV) .............................................3-1

3.1.1 IntrinzX Technology ....................................................3-1

3.1.2 NDIR Detector ........................................................3-3

3.1.3 Technical Implementation ...............................................3-4

3.2 Oxygen Measurement ...................................................3-5

3.2.1 Paramagnetic Measurement .............................................3-5

3.2.2 Electrochemical Measurement ...........................................3-8

3.2.3 Electrochemical Trace Oxygen Measurement...............................3-11

3.3 Thermal Conductivity Measurement .......................................3-13

3.3.1 Principle of Operation .................................................3-13

3.3.2 Technical Implementation ..............................................3-14

3.4 Trace Moisture Measurement ............................................3-15

3.4.1 Special Operating Conditions ...........................................3-16

3.4.2 Accompanying Gases .................................................3-17

3.5 HydrogenSulde(H2S) Measurement .....................................3-19

3.5.1 Cross Interferences by Accompanying Gases ..............................3-20

3.6 MeasurementSpecications .............................................3-21

Table of contents

TOC

Chapter 4 Installation 4-1

4.1 Scope of Supply........................................................4-1

4.2 Introduction ...........................................................4-2

4.3 Gas Conditioning .......................................................4-3

4.4 Gas Connections .......................................................4-5

4.5 Electrical Connections ...................................................4-7

4.6 Analyzer Specic Instructions for Installation..................................4-8

4.6.1 X-STREAM XEGK, X-STREAM XEGP .....................................4-9

4.6.2 X-STREAM XEXF (Single XEF; Dual XDF) ................................4-20

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4.7 Notes On Wiring Signal Inputs and Outputs .................................4-32

4.7.1 Electrical Shielding of Cables ...........................................4-32

4.7.2 Wiring Inductive Loads ................................................4-35

4.7.3 Driving High-Current Loads.............................................4-35

4.7.4 Driving Multiple Loads .................................................4-36

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Chapter 5 Startup 5-1

5.1 Introduction ...........................................................5-1

5.2 Symbols and Typographical Conventions ....................................5-2

5.3 Front Panel Elements ...................................................5-3

5.3.1 Display..............................................................5-3

5.3.2 Status Line and Text Message Line........................................5-3

5.3.3 Keys ..............................................................5-4

5.4 Software..............................................................5-6

5.4.1 Access Levels & Codes.................................................5-9

5.4.2 Special Messages ....................................................5-10

5.5 Powering Up .........................................................5-10

5.5.1 Boot Sequence ......................................................5-10

5.5.2 Measurement Display .................................................5-10

5.6 Selecting the Language .................................................5-12

5.7 Checking the Settings ..................................................5-13

5.7.1 Installed Options .....................................................5-14

5.7.2 Conguringthe Display ................................................5-15

5.7.3 Calibration/Validation Setup ............................................5-16

5.7.4 Setting the Analog Outputs .............................................5-19

5.7.5 Setting Concentration Alarms ...........................................5-24

5.7.6 Backup the Settings ..................................................5-25

5.8 Perform a Calibration ...................................................5-27

Chapter 6 User Interface and Software Menus 6-1

6.1 Symbols and Typographical Conventions ....................................6-1

6.2 Menu System ..........................................................6-2

6.2.1 Switching On .........................................................6-5

6.2.2 Control Menu ........................................................6-6

6.2.3 Setup Menu .........................................................6-33

6.2.4 Status Menu .......................................................6-125

6.2.5 Info Menu .........................................................6-141

6.2.6 Service Menu ......................................................6-145

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Chapter 7 Maintenance and Other Procedures 7-1

7.1 Introduction ...........................................................7-1

7.2 General Maintenance Information ..........................................7-2

7.3 Performing a Leak Test ..................................................7-4

7.4 Calibration and Validation Procedures.......................................7-5

7.4.1 Preparing Calibrations and Validations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-6

7.4.2 Validation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-17

7.4.3 Cancelling an Ongoing Validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-31

7.4.4 Calibration Procedures ................................................7-32

7.4.5 Restoring a Calibration ................................................7-46

7.4.6 Cancelling an Ongoing Calibration .......................................7-46

7.4.7 Verifying a Calibration .................................................7-47

7.5 Calibrating or Validating With Sequence Programming .........................7-48

7.6 Notes on Span Calibrating or Validating Channels With Multiple Ranges ...........7-50

7.7 Remote Calibration or Validation ..........................................7-51

7.7.1 Calibrations/Validations Initialized by Digital Inputs...........................7-52

7.7.2 Modbus Activated Calibrations/Validations Without Valves .....................7-54

7.7.3 Modbus Activated Calibrations/Validations With Valves .......................7-54

7.8 Unattended Automatic Calibration or Validation...............................7-55

7.9 Cross Interference Compensation .........................................7-59

7.10 Replacing Worn Out Sensors ............................................7-64

7.10.1 Safety Instructions....................................................7-64

7.10.2 Opening X-STREAM Analyzers .........................................7-65

7.10.3 Replacing the Electrochemical Oxygen-Sensor .............................7-68

7.10.4 Replacing the Trace Oxygen Sensor......................................7-75

7.10.5 Replacing the Trace Moisture Sensor .....................................7-76

7.11 Cleaning the Instrument’s Outside.........................................7-77

7.12 Save/RestoreCongurationDataSets ....................................7-78

7.12.1 Local Backup - Save ..................................................7-80

7.12.2 Local Backup - Restore ................................................7-81

7.12.3 Factory Defaults - Restore .............................................7-82

7.12.4 USB Backup ........................................................7-83

7.12.5 Undo Restore .......................................................7-87

7.13 Handling Log Files .....................................................7-88

7.13.1Conguring Log Files .................................................7-88

7.13.2 Exporting Log Files ...................................................7-89

7.13.3 Log Files Content ....................................................7-91

7.14 Files on USB Memory Device ............................................7-92

7.14.1 autorun.inf ..........................................................7-92

7.14.2 xe_win_tools.zip .....................................................7-93

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7.15 Web Browser .........................................................7-94

7.15.1 Connection Via Network ...............................................7-94

7.15.2 Connection to Single Computer .........................................7-95

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Chapter 8 Troubleshooting 8-1

8.1 Abstract ..............................................................8-1

8.2 Solving Problems Indicated by NAMUR Status Messages .......................8-2

8.2.1 Analyzer Related NAMUR Messages ......................................8-3

8.2.2 Channel Related Messages (preceded by Channel Tag, e.g. CO2.1) .............8-8

8.3 Solving Problems Not Indicated by Status Messages ..........................8-12

8.4 Troubleshooting on Components..........................................8-18

8.4.1 Opening X-STREAM Analyzers .........................................8-20

8.4.2 Signal Connectors on XSP Board ........................................8-23

8.4.3 Sample Pump: Replacement of Diaphragm ................................8-24

8.4.4 Paramagnetic Oxygen Cell for Standard Applications: Adjustment of Physical Zero .8-35

8.4.5 Thermal Conductivity Cell: Adjustment of Output Signal.......................8-38

Chapter 9 Service Information 9-1

9.1 Return of Material ......................................................9-1

9.2 Customer Service ......................................................9-2

9.3 Training ..............................................................9-2

Chapter 10 Dismounting and Disposal 10-1

10.1 Dismounting and Diposal of the Analyzer ...................................10-1

Appendix A-1

A.1 ModbusSpecication................................................... A-2

A.2 Block Diagram ....................................................... A-12

A.3 Water Vapor: Relationship of Dewpoint, Vol.-% and g/Nm³ ..................... A-26

A.4 Declaration of Decontamination.......................................... A-27

A.5 PLC Quick Reference ................................................. A-28

B.6 Assignment of Terminals and Sockets ..................................... A-35

B.6.1 Tabletop & Rack Mount Analyzers....................................... A-35

B.6.2 Field Housings...................................................... A-36

Index I-1

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Index of fIgures

Fig. 1-1: X-STREAM Enhanced Front Panel (here X-STREAM XEGP) ................1-4

Fig. 1-2: Optional Heated Area ...............................................1-8

Fig. 1-3: Suppressed Ranges Options .........................................1-9

Fig. 1-4: Gas Flow Diagram: Single Channel Or in Series .........................1-10

Fig. 1-5: Ethernet Interface Marking ..........................................1-12

Fig. 1-6: Serial Interface Marking ............................................1-12

Fig. 1-7: USB Interfaces ...................................................1-12

Fig. 1-8: X-STREAM XEGK - Views ..........................................1-17

Fig. 1-9: X-STREAM XEGP - Details .........................................1-19

Fig. 1-10: X-STREAM XEXF Field Housings- Front Views..........................1-21

Fig. 1-11: X-STREAM XEF - Right Side and Bottom View ..........................1-22

Fig. 1-12: X-STREAM XEF - Power Supply and Signal Terminals ....................1-23

Fig. 1-13: X-STREAM XEFD - Front View ......................................1-26

Fig. 1-14: X-STREAM XEFD - Bottom View .....................................1-27

Fig. 1-15: X-STREAM XEFD - Terminals .......................................1-28

Fig. 2-1: X-STREAM XEGK - Dimensions ......................................2-6

Fig. 2-2: X-STREAM XEGK - Rear Panel and Handle Variations.....................2-7

Fig. 2-3: UPS 01 Tabletop Power Supply Unit ...................................2-9

Fig. 2-4: UPS 01 Power Supply Unit for Rack Installation .........................2-10

Fig. 2-5: X-STREAM XEGP - Dimensions .....................................2-12

Fig. 2-6: X-STREAM XEGP - Power Supply and Signal Connections ................2-14

Fig. 2-7: X-STREAM XEGP - Signal Connections With Screw-Type Terminal Adapters

(Top View).......................................................2-14

Fig. 2-8: X-STREAM XEF - Dimensions .......................................2-15

Fig. 2-9: X-STREAM XDF - Dimensions.......................................2-16

Fig. 2-10: X-STREAM XEXF Field Housings - Power Supply Terminals / Fuse Holders ..2-18

Fig. 2-11: X-STREAM XEXF Field Housings - Signal Terminals .....................2-18

Fig. 2-12: X-STREAM XEFD - Dimensions .....................................2-19

Fig. 2-13: X-STREAM XEFD - Power Supply Terminals / Fuse Holders ...............2-21

Fig. 2-14: X-STREAM XEFD - Signal Terminals ..................................2-21

Fig. 2-15: Analyzer Name Plate (examples) .....................................2-22

Fig. 3-1: IntrinzX Signal Forms ...............................................3-2

Fig. 3-2: Gas Detector Design Principle ........................................3-3

Fig. 3-3: Photometer Assembly Principle .......................................3-4

Fig. 3-4: Paramagnetic Oxygen Sensor - Assembly Principle .......................3-5

Fig. 3-5: Electrochemical O2 Sensor - Design Principle ............................3-8

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Index of Figures

Fig. 3-6: Electrochemical O2 Sensor - Assembly .................................3-8

Fig. 3-7: Electrochemical Reaction of Oxygen Sensor .............................3-9

Fig. 3-8: Cover for EO2 Sensor Block At Rear Panel .............................3-10

Fig. 3-9: Trace Oxygen Sensor Design Principle ................................3-11

Fig. 3-10: Cover for TO2 Sensor Block At Rear Panel .............................3-12

Fig. 3-11: Wheatstone Bridge................................................3-13

Fig. 3-12: TC Cell, Exterior View, Thermal Isolation Removed.......................3-14

Fig. 3-13: TC Cell, Sectional View ............................................3-14

Fig. 3-14: Trace Moisture Sensor Assembly .....................................3-15

Fig. 3-15: H2S Sensor Schematic and Reaction Formulas ..........................3-19

Fig. 4-1: X-STREAM Enhanced Analyzers - Scope of Supply .......................4-1

Fig. 4-3: Installation in Bypass Mode ..........................................4-6

Fig. 4-2: Labelling of Gas Connectors (example) .................................4-6

Fig. 4-4: X-STREAM XEGK - Rack Mount Version Rear Panel ......................4-9

Fig. 4-5: X-STREAM XEGP - Table Top Version Rear Panel .......................4-10

Fig. 4-6: X-STREAM XEGP - Rear Panel, Model With Terminal Adapters and

Front Side Brackets for Rack Mounting ................................4-11

Fig. 4-7: Socket X1 - Analog & Digital Outputs 1–4 ..............................4-12

Fig. 4-8: Plug X2 - Serial Interface ...........................................4-13

Fig.4-9: CongurationofXSTA Terminal Adapter ...............................4-14

Fig. 4-10: Sockets X4.1 and X4.2 - Pin Conguration .............................4-15

Fig.4-11: CongurationofXSTD Terminal Adapter ...............................4-16

Fig. 4-12: Plug X5 - Analog Inputs ............................................4-17

Fig.4-13: CongurationofXSTI Terminal Adapter ................................4-18

Fig. 4-14: Power Supply Connectors ..........................................4-19

Fig. 4-15: X-STREAM XEF - Dimensions for Installation...........................4-20

Fig. 4-16: X-STREAM XDF - Dimensions for Installation ..........................4-21

Fig. 4-17: X-STREAM XEXF Field Housings - Terminals, Cable Glands and Gas Fittings .4-22

Fig. 4-18: Terminal Block X1 - Analog Signals and Relay Outputs 1-4 ................4-25

Fig. 4-19: Terminal Block X1 - Serial Interface ...................................4-26

Fig. 4-20: Ethernet Connector ...............................................4-27

Fig. 4-21: X4: Terminal Blocks for Digital Inputs and Outputs........................4-28

Fig. 4-22: Terminal Block X5 - Analog Input Signals ..............................4-29

Fig. 4-23: Power Supply Connections .........................................4-30

Fig. 4-24: Shielded Signal Cable, Shielding Connected At Both Ends. ................4-32

Fig. 4-25: Shielded Signal Cable, Shielding Connected At One end. ..................4-33

Fig. 4-26: Signal Cable With Double Shielding, Shieldings Connected At Alternate Ends. .4-33

Fig. 4-27: Shield Connector Terminal With Cable .................................4-34

Fig. 4-28: Suppressor Diode for Inductive Loads. ................................4-35

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Fig. 4-29: Driving High-Current Loads .........................................4-35

Fig. 4-30: Common Line ....................................................4-36

Fig. 4-31: Loads in Parallel ..................................................4-36

Fig. 5-1: X-STREAM Enhanced Front Panel ....................................5-3

Fig. 5-2: Arrangement of Concentration Thresholds..............................5-24

Fig. 6-1: X-STREAM Enhanced Software Menu Structure ..........................6-2

Fig. 6-2: Measurement Display Elements......................................6-37

Fig. 6-3: Usage of Labels and Tags ..........................................6-43

Fig. 6-4: Measurement Display With Labels and Tags (example)...................6-116

Fig. 6-5: USB File System Structure.........................................6-121

Fig. 7-1: Leak Testing With U-Turn Manometer ..................................7-4

Fig. 7-2: Calibration/Validation Improvement by Variable Valve Assignments ..........7-11

Fig. 7-3: Internal Valves Assignments.........................................7-12

Fig. 7-4: Zero Validation All Procedure Flow Diagram ............................7-24

Fig. 7-5: Span Validation All Procedure Flow Diagram ............................7-27

Fig. 7-6: Zero&Span Validation All Procedure Flow Diagram .......................7-30

Fig. 7-7: Zero All Calibration Procedure Flow Diagram ...........................7-39

Fig. 7-8: Span All Calibration Procedure Flow Diagram ...........................7-42

Fig. 7-9: Zero&Span All Calibration Procedure Flow Diagram ......................7-45

Fig. 7-10: Digital Inputs - Examples of Sequences................................7-53

Fig. 7-11: Graphical Explanation of Interval Time Settings..........................7-58

Fig. 7-13: X-STREAM XEGK ................................................7-65

Fig. 7-12: X-STREAM XEGP ................................................7-65

Fig. 7-14: X-STREAM XEXF Field Housings and XEFD - How to Open ...............7-66

Fig. 7-15: Location of the EO2 Sensor Unit......................................7-71

Fig. 7-16: Sensor Unit Design................................................7-72

Fig. 7-17: Sensor At Rear Panel ..............................................7-73

Fig. 7-18: OXS Board, Top View ..............................................7-73

Fig. 7-19: Trace Moisture Sensor Assembly Separated ............................7-76

Fig. 7-20: Relations of Supported Data Sets, and Where to Find Further Information .....7-79

Fig. 7-21: USB File System Structure..........................................7-83

Fig. 7-22: Subdirectory for Log Files...........................................7-90

Fig. 7-23: Example of Log File ...............................................7-91

Fig. 7-24: USB File System Structure..........................................7-92

Fig. 7-25: Autorun.inf Template...............................................7-92

Fig. 7-26: Ethernet Connectors...............................................7-94

Fig. 7-27: Web Browser Logon Screen.........................................7-96

Fig. 7-28: Web Browser Measurements Screen..................................7-96

Fig. 8-1: X-STREAM XEF, XDF and XEFD, Opened With Visible Front Panel..........8-12

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Index of Figures

Fig. 8-2: X-STREAM XEGP ................................................8-20

Fig. 8-3: X-STREAM XEGK ................................................8-21

Fig. 8-4: X-STREAM XEXF Field Housings and XEFD - How to Open ...............8-22

Fig. 8-5: XSP - Allocation of Signal Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-23

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Index of Tables

Tab. 3-1: Paramagnetic Sensor -

Tab. 3-2: Solvent Resistant Paramagnetic Sensor - Approved Solvents ...............3-7

Tab. 3-3: Paramagnetic Sensor - Medium Affected Materials .......................3-7

Tab. 3-4: Electrochemical Oxygen Measurement -

Cross Interference by Accompanying Gases .............................3-10

Tab. 3-5: Examples of Specific Thermal Conductivities ...........................3-13

Tab. 3-6: Dew Points and Water Content (at 1013 HPa) ..........................3-16

Tab. 3-7: Limitations on Gases ..............................................3-17

Tab. 3-8: Electrochemical H2S Measurement -

cross Interference by Accompanying Gases .............................3-20

Tab. 3-9: Gas Components and Measuring Ranges, Examples ....................3-21

Tab. 3-10: IR, UV, VIS, TCD - Standard and Enhanced Measurement

Performance Specifications ........................................3-22

Tab. 3-11: Trace Moisture - Standard Measurement Performance Specifications ........3-22

Tab. 3-12: Oxygen - Standard and Enhanced Measurement Performance Specifications . 3-23

Tab. 3-13: H2S - Standard Measurement Performance Specifications ................3-23

Tab. 3-14: Special Performance Specifications for Gas Purity Measurements

(Low Ranges) ...................................................3-24

Tab. 3-15: Special Performance Specifications for Gas Purity Measurements

(Suppressed Ranges) .............................................3-25

Tab. 5-1: Analog Output Signals Settings and Operation Modes ....................5-22

Tab. 6-1: Analog Output Signals ............................................6-77

Tab. 6-2: Analog Output Failure Modes .......................................6-79

Tab. 6-3: Digital Output Signals .............................................6-83

Tab. 6-4: Digital Input Signals ..............................................6-87

Cross Interferences (Examples) .....................3-6

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X-STREAM XE

INTRODUCTION

The instruction manual contains information about the component assembly, function, installation, operation and maintenance of the X-STREAM® Enhanced series gas analyzers.

The manual covers several X-STREAM analyzer models and so may contain information

about congurations and/or options not applicable to your analyzer.

The installation and operation of units for use in explosive (hazardous) environments is not covered in this manual.

Analyzers intended to be used in such environments are supplied with further instruction manuals, which should be consulted in addition to this.

DEFINITIONS

The following denitions apply to the terms WARNING, CAUTION and NOTE, and the symbol , as used in this manual.

Indicates an operational or maintenance procedure, a process, a condition, an instruction, etc.

Failure to comply may result in injury, death or permanent health risk.

Safety Instructions

Indicates an operational or maintenance procedure, a process, a condition, an instruction, etc.

Failure to comply may result in damage to or destruction of the instrument, or impaired performance.

NOTE!

Indicates an imperative operational procedure, an important condition or instruction.

The symbol , together with a page number ( 6-5 ) or chapter headline ( Startup ) refers to more information, provided on the indicated page or chapter.

Emerson Process Management GmbH & Co. OHG S-1

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X-STREAM XE

TERMS USED IN THIS INSTRUCTION MANUAL

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Explosive Gas(es)

Flammable Gases and gas mixtures in a mixture with air within the explosive limits.

Flammable Gas(es)

Gases and gas mixtures are assigned to be

ammable if they might become ignitable

when in a mixture with air.

Infallible Containment

This term is derived from the standards of explosion protection especially from the requirements for pressurized housings: thus an infallible containment can be characterized by no intended leakage out of the gas paths enabling gas to enter the inner compartment of the analyzer housing.

Lower Explosion Limit (LEL)

Volume ratio of ammable gas in air below

which an explosive gas atmosphere will not be formed: the mixture of gas and air lacks

sufcient fuel (gas) to burn.

Protection Class IP66 / NEMA 4X

Both terms are used to specify conditions for equipment to be installed outdoor.

IP stands for Ingress Protection, the rst number species protection against solid objects

(6. = dust tight) while the second number

species the degree of protection against

liquids (.6 = heavy seas). NEMA stands for National Electrical Manuf-

acturers Association. 4X species a degree of protection to personnel against incidental contact with the enclosed equipment; to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, and hose-directed water; and that will be undamaged by the external formation of ice on the enclosure

Upper Explosion Limit (UEL)

Volume ratio of ammable gas in air above

which an explosive gas atmosphere will not be formed: the mixture of gas and air is too

rich in fuel (decient in oxygen) to burn.

NAMUR

NAMUR is an international user association of automation technology in process industries. This organisation has issued experience reports and working documents, called recommendations (NE) and worksheets (NA).

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X-STREAM XE

SYMBOLS USED ON AND INSIDE THE UNIT

Wherever one or more of the following symbols appear on or inside the instrument, be careful

and read the instructions given in the accompanying manuals!

Strictly observe the given warnings, instructions and information to minimize hazards!

This symbol at the instrument ... ... means

dangerous voltages may be accessible. Removing covers is permitted only, if the instrument is disconnected from power - and even in this case

by qualied personnel only!

hot surfaces may be accessible. Removing

covers by qualied personnel is permitted only,

if the instrument is disconnected from power. Nevertheless several surfaces may remain hot for a limited time.

more detailled information available: see in-

struction manual before proceeding!

more detailled information available: see in-

struction manual before proceeding!

Safety Instructions

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SYMBOLS USED IN THIS MANUAL

Where one or more of the following symbols appear within this manual, carefully read the rela-

ted information and instructions!

Strictly observe the given warnings, instructions and information to minimize hazards!

This symbol used in the manual ... ... means

dangerous voltages may be exposed

hot surfaces may be exposed

possible danger of explosion

toxic substances may be present

substances harmful to health may be present

indicates notes relating to heavy instruments

electrical components may be destroyed by

electrostatic discharges

units must be disconnected from the power source

refers to conditions or information on operating at low temperatures

indicates basic conditions or procedures are being described.

This symbol may also indicate information important for achieving accurate measurements.

Emerson Process Management GmbH & Co. OHGS-4

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X-STREAM XE

SAFETY INSTRUCTIONS

INTENDED USE STATEMENT

X-STREAM XE series gas analyzers are intended to be used as analyzers for industrial purposes. They must not be used in medical, diagnostic or life support applications nor as safety devices.

Using X-STREAM XE analyzers as safety devices, requiring redundant design or SIL clas-

sication, is also not permitted. They must not be used to measure explosive gas mixture. No independent agency certications or approvals are to be implied as covering such

applications!

GENERAL SAFETY NOTICE / RESIDUAL RISK

If this equipment is used in a manner not specied in these instructions, protective sy-

stems may be impaired.

Despite of incoming goods inspections, production control, routine tests and application of state-of-the-art measuring and test methods, an element of risk remains when operating a gas analyzer!

Safety Instructions

Even when operated as intended and observing all applicable safety instructions some residual risks remain, including, but not limited to, the following:

• An interruption of the protective earth line, e.g. in an extension cable, may result in risk to the user.

• Live parts are accessible when operating the instrument with doors open or covers removed.

• The emission of gases hazardous to health may even be possible when all gas connections have been correctly made.

Avoid exposure to the dangers of these residual risks by taking particular care when installing, operating, maintaining and servicing the analyzer.

ADDITIONAL LITERATURE

This manual covers aspects important for installation and startup of X-STREAM XE gas analyzers.

For comprehensive information on operating and maintain/service the instrument in a

safe manner it is MANDATORY to read all additional instruction manuals! If not provided as printed version, check the accompanying USB stick for an electronic version (PDF)!

The following additional instruction manuals are available or referenced within this manual:

• HASICx-IM-H Infallible containment instruction manual

• Separate manuals for Hazardous Area applications

Contact your local service center or sales ofce when missing documents.

SAVE ALL INSTRUCTIONS FOR FUTURE USE!

Emerson Process Management GmbH & Co. OHG S-5

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Safety Instructions

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AUTHORIZED PERSONNEL

In-depth specialist knowledge is an absolutely necessary condition for working with and on the analyzer.

Authorized personnel for installing, operating, servicing and maintaining the analyzer are instructed and trained qualied personnel of the operating company and the manufacturer.

It is the responsibility of the operating company to

• train staff,

• observe safety regulations,

• follow the instruction manual.

Operators must

• have been trained,

• have read and understood all relevant sections of the instruction manual before commencing work,

• know the safety mechanisms and regulations.

To avoid personal injury and loss of property, do not install, operate, maintain or service this instrument before reading and understanding this instruction manual and receiving appropriate training.

NOTES ON BATTERIES

• This instrument contains a Li battery (button cell) of type CR 2032.

• The battery is soldered and usually does not need to be replaced during the instrument´s lifetime.

• At the end of lifetime, the instrument must be disposed in compliance with the wast regulations. The disposal specialist then has to disassemble the instrument and dispose the battery in compliance with the regulations.

• Batteries may leak, overheat or explode if not handled properly.

• Do not open or try to charge a battery.

• Do not expose batteries to heat or re.

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Safety Instructions

X-STREAM XE

INSTALLING AND CONNECTING THE UNIT

The following notices should be carefollowed to ensure compliance with the low voltage directive (Europe) and other applicable regulations.

Suitable grounding connections should be made at all connectors provided for this purpose.

2. All safety covers and grounding connections must be properly reinstated after maintenance work or troubleshooting.

3. A fuse should be provided at the installation site which will completely disconnect the unit

in case of failure. Installing an isolating switch may also be benecial. In either case, these

components must be constructed to conform to recognised norms.

Safety Instructions

OPERATING AND MAINTAINING THIS UNIT

On leaving our factory, this instrument conformed to all applicable safety directives.

In order to preserve this state of affairs, the operator must take care to follow all the instructions and notes given in this manual and on the unit.

Before switching on the unit, ensure that the local nominal mains voltage corresponds to the factory-set operational voltage of this unit.

Any interruption of the protective earth connections, whether inside or outside of the unit, may result in exposure to the risk of electricity. Deliberately disconnected the protective earth is therefore strictly forbidden.

Removing covers may expose components conducting electric current. Connectors may also be energised. The unit should therefore be disconnected from the power supply before any kind of maintenance, repair or calibration

work requiring access to the inside of the unit.

Only trained personnel who are aware of the risk involved may work on an open and energized unit.

Fuses may only be replaced by fuses of an identical type and with identical ratings. It is forbidden to use repair fuses or to bypass fuses.

Take note of all applicable regulations when using this unit with an autotransformer or a variable transformer.

Substances hazardous to health may escape from the unit’s gas outlet. This may require additional steps to be taken to guarantee the safety of operating staff.

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X-STREAM XE

The units described in this manual may not be used in explosive atmospheres without additional safety measures.

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Safety Instructions

EXPLOSION HAZARD

ELECTRICAL SHOCK HAZARD

Do not operate without covers secure. Do not open while energized. Installation requires access to live parts which can cause death or serious

injury. For safety and proper performace this instrument must be connected to a

properly grounded three-wire source of power.

TOXIC GASES

This unit’s exhaust may contain toxic gases such as (but not limited to) e.g. sulfur dioxide. These gases can cause serious injuries. Avoid inhaling exhaust gases.

Connect the exhaust pipe to a suitable ue and inspect the pipes regularly

for leaks. All connections must be airtight to avoid leaks;

7-4 for instructions

on performing a leak test.

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The models intended for outside and wall mounted use (X-STREAM XEXF and XEFD) weigh between 26 kg (57 lb) and 63 kg (139 lb) depending on options installed.

X-STREAM XE

Safety Instructions

HEAVY INSTRUMENT

Safety Instructions

Two people and/or lifting equipment is required to lift and carry these

units.

Take care to use anchors and bolts specied to be used for the weight of

the units! Take care the wall or stand the unit is intended to be installed at is solid

and stable to support the weight!

CRUSHING HAZARD

Take care of crushing hazard when closing the front door of analyzer eld

housings! Keep out of the closing area between enclosure cover and base!

OPERATION AT LOW TEMPERATURES

When operating an instrument at temperatures below 0 °C (32 °F), do

NOT apply gas nor operate the internal pump before the warmup time has elapsed!

Violation may result in condensation inside the gas paths or damaged pump diaphragm!

HIGH TEMPERATURES

Hot parts may be exposed when working on photometers and/or

heated components in the unit.

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X-STREAM XE

Safety Instructions

GASES AND PREPARATION OF GASES

GASES HAZARDOUS TO HEALTH

Follow the safety precautions for all gases (sample and span gases) and gas cylinders.

Before opening the gas lines, they must be purged with air or neutral gas

(N2) to avoid danger from escaping toxic, ammable, exposive or hazardous

gases.

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FLAMMABLE OR EXPLOSIVE GASES

The analyzers are not suitable to measure explosive gases.

When supplying ammable gases with concentrations of more than 25 %

of the lower explosion limit, we RECOMMEND implementing one or more additional safety measures:

• purging the unit with inert gas

• stainless steel internal pipes

• ame arrestors on gas inlets and outlets

• infallible measuring cells.

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POWER SUPPLY

Only qualied personnel following all applicable and legal regulations may

install the unit and connect it to power and signal cables. Failure to comply may invalidate the unit’s warranty and cause exposure to the risk of damage, injury or death.

This unit may only be installed by qualied personnel familiar with the

possible risks.

Working on units equipped with screw-type terminals for electrical

connections may require the exposure of energized components.

X-STREAM XE

Safety Instructions

CONNECTING UNITS FOR PERMANENT INSTALLATION

Safety Instructions

Wall-mounted units have no power switch and are operational when

connected to a power supply. The operating company is therefore required

to have a power switch or circuit breaker (as per IEC 60947-1/-3) available

on the premises. This must be installed near the unit, easily accessible to operators and labelled as a power cut-off for the analyzer.

HAZARD FROM WRONG SUPPLY VOLTAGE

Ensure that the local power voltage where the unit is to be installed, corresponds to the unit’s nominal voltage as given on the name plate label.

ADDITIONAL NOTES FOR UNITS WITH SCREW-TYPE TERMINALS

Cables for external data processing must be double-insulated against mains power.

If this is not possible, cables must be laid in such a way as to guarantee a clearance of at least 5 mm from power cables. This clearance must be permanently secured (e.g. with cable ties).

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General Operating Notes

GENERAL OPERATING NOTES

EXPLOSION HAZARD

Exhaust gases may contain hydrocarbons and other toxic gases such as carbon monoxide. Carbon monoxide is toxic.

Faulty gas connections may lead to explosion and death. Ensure that all gas connections are connected as labelled and airtight.

• The unit must be installed in a clean and dry area protected from strong vibrations and frost

• The unit must not be exposed to direct sunlight and sources of heat. Admissable ambient temperatures (see technical details) must be adhered to.

• Gas inlets and outlets must not be interchanged.All gases must be supplied to the unit already processed. When using this unit with corrosive sample gases, ensure that these gases do not contain components harmful to the gas lines.

• Admissable gas pressure for sample and test gases is 1500 hPa.

• Exhaust lines must be laid inclined downwards, depressurized, protected from frost and according to applicable regulations.

• If it is necessary to disconnect the gas lines, the unit’s gas connectors must be sealed with PVC caps to avoid polluting the internal gas lines with condensate, dust, etc.

• To ensure electromagnetic compatibility (EMC), only shielded cables (supplied by us on request, or of equivalent standard) may be used and the enclosure has to be connected to

earth. The customer must ensure that the shielding is correctly tted. Shielding and terminal

housing must be electrically connected; submin-D plugs and sockets must be screwed to the unit.

• When using optional external adapters (submin-D to screw-type terminal), protection from electromagnetic interference can no longer be guaranteed (CE compliance pursuant to EMC guidelines). In this case the customer or operating company functions as a system builder and must therefore ensure and declare compliance with EMC guidelines.

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X-STREAM XE

Chapter 1

Technical Description

The following are the main features of the new Emerson Process Management X-STREAM Enhanced (hereinafter also referred to as "X-STREAM XE") gas analyzers in brief:

• compact design with easily accessible internal components

• customizable for a wide range of applications: different housings are available while internal construction remains largely identical

• a highly integrated mainboard contains all interfaces and basic functions for the operation of the unit

• multilingual microprocessor-controlled user interface with liquid crystal display (LCD) to indicate measurement values and status messages

• units for outdoor use are supplied with an impact tested front panel

• widerange power supply unit for worldwide

use without modication (1⁄2 19in units with

internal or external PSUs)

X-STREAM XE gas analyzers can measure up to five different gas components by multiple combinations of the following analyzing techniques (restrictions apply to

⁄219in units, and to parallel tubing):

IR = non-dispersive infrared analysis

Modied resistant measuring cells are available for use with corrosive gases and/or gases containing solvents.

Special configurations for the analysis of combustible gases are also available. The analyzers are not suitable for measuriung explosive gases.

Chapter 3 gives a detailed description of

the various measuring techniques.

Standard applications

Different housings allow X-STREAM analyzers to be tailored to the many different applications:

• Tabletop units in 1⁄219in modular design, with IP 20 protection class

• Tabletop and rack mountable units in 19in modular design, with IP 20 protection class

• Stainless steel wall mountable field housing with IP 66 / NEMA 4X protection class for outdoor use (operating temperature -20°C to +50°C).

• Cast aluminium wall mountable eld hou-

sing (ameproof Ex d) with IP 66 / NEMA

4X protection class for outdoor use in hazardous areas.

The various analyzer types are described in more detail beginning with page 1-14.

Technical Description

UV = ultraviolet analysis pO2 = eO2 = tO2 = electrochemical trace oxygen analysis TC = thermal conductivity analysis tH2O = trace moisture measurement

Emerson Process Management GmbH & Co. OHG 1-1

paramagnetic oxygen analysis electrochemical oxygen analysis

Installation in hazardous areas

X-STREAM XEXF eld housing analyzers,

when featuring various protection methods, can also be installed and operated in hazardous areas. Available options are:

• Non-incendive assembly (Ex nA nC) for installation in Zone 2 and Division 2 for the

measurement of non-ammable gases.

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X-STREAM XE

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1 Technical Description

The cast aluminium eld housing is designed

to withstand an explosion and intended to be used in hazardous areas of Zone 1.

More information about analyzers for hazardous areas can be obtained from your Emerson Process Management sales

ofce.

Note! These instructions do not detail the installati-

on nor operation of X-STREAM analyzers in hazardous areas. If you intend to use your

analyzer for such purposes, pay attention to the separate instruction manuals supplied with analyzers to be used in hazardous areas.

Further features (in parts options):

• Congurable measurement display

• gas values and/or secondary measure-

ments (e. g. ow)

• single or dual pages

• Congurable measurement units

• supports conversion factors from ppm

to several other, even user specic units

• 3 independent software access levels

• protection against unauthorized chan-

ging of congurations

• password protected

• to be separately activated

• Unattended zero and span calibrations

• calibrations without user interaction

• Communication via serial and Ethernet interface

• remotely control the analyzer

• Web browser interface

• remote control and monitoring via stan-

dard web browser

• Realtime clock

• Synchronizing with internet time server

• enables time controlled calibration

• Data logger with individually congurable parameters

• measuring values protocols, e.g. for

quality or process monitoring and control

• Event protocol with congurable events list

• remote analyzer status monitoring

• Logfile sizes only limited by available space on an internal SD card

• up to 2 GB enable logging periods up

to 1 year

• SD card replacable (not by operator, due

to internal use by the analyzer rmware)

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1 Technical Description

• Log le export via USB, Ethernet and web browser

• text format

• enables external data analysis

• Backup and restore analyzer congurations to/from protected internal memory or USB stick

• protection against changes, store for

reference,

• restore a working conguration in case

of faults or faulty conguration changes

• Calculator

• working with measurement values

• setup a virtual calculated channel on

basis of real measurement values (e. g. calculate NO and NO2 to NOx)

• text le programming via web browser

or external computer

• up-/download via USB or web browser

X-STREAM XE

Technical Description

• Integral programmable logic control (PLC)

• control valves, pumps,.and more.

• text le programming via web browser

or external computer

• up-/download via USB or web browser

More detailed information is provided by the related sections of this manual, or by documentation, separately available.

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X-STREAM XE

1.1 Overview

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1.1Overview

All X-STREAM Enhanced gas analyzers feature an easy-to-use graphical user interface, which displays measurement values, status and error messages, and menus for the input of parameters.

For ease of use, the operator at any time can select one of the following languages for

1.1.1 The Front Panel

The graphic LCD shows measurement and status information with plain text and symbols.

The symbols are designed to indicate the different status 'Failure', 'Function check', 'Out

of specication' and 'Maintenance request' as specied by the NE 107 standard. For further

information,

Chapter 8.

the display: English, French, German, Spanish, Portuguese and Polish; Italian is under preparation and may be available at time of publishing this document.

The analyzer software is operated by means of only six keys. The displays of outdoor versions are protected with an impact tested glass panel, to withstand even harsher conditions and to provide a higher IP protection class of IP66 / NEMA Type 4X.

1 3 42

1 Graphic display 2 “Home“ key 3 “Enter” key 4 4 keys for settings and menu navigation

Fig. 1-1: X-STREAM Enhanced Front Panel (here X-STREAM XEGP)

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1.2Congurationof Gas Lines

1.2 Congurationof Gas Lines

X-STREAM XE

1.2.1 Materials Used

Various materials are available to allow the analyzer to be customized to your needs. The materials used are selected based on the characteristics of the sample gas, e.g. diffusion rate, corrosiveness, temperature and pressure. Among those available are Viton®, PFA and stainless steel.

1.2.2 Safety Filter

The analyzers are generally tted with an internal stainless-steel lter. This lter is not a replacement for any dust lter in the prepa-

ration of the gas, but represents a last line of defence.

1.2.3 Gas Inlets and Outlets

Rackmounted and tabletop devices are tted

with PVDF inlets and outlets (ø 6/4 mm) as standard. Alternatively, Swagelok™ or stain-

less steel ttings (ø 6/4 mm or 1⁄4 in). Wall-mounted eld housings are supplied

with Swagelok™ or stainless steel ttings (ø

6/4 mm or 1⁄4 in). Other materials available on request. X-STREAM XEFD units are always supplied

with ame arrestors and stainless steel ttings

(ø 6/4 mm or 1⁄4 in). Fieldhousings and 19 in analyzers provide up

to 8 gas ttings, so if featuring ve channels,

this requires at least two channels in serial tubing.

1.2.5 Infallible Containments

Infallible containments are gas lines which, due to their design, can be regarded as permanently technically tight. This is achieved by, for example, welded joints, or metallically sealing joints (e.g. tap connectors and binders), providing they are seldom disconnec-

ted. Gas lines congured in this manner can

be used for measuring noxious or ammable gases. At the time of going to press, infallible containments are available for thermal conductivity analysis (TC) only. Further information about infallible containments can be found in the separate instruction manual supplied with these units.

Infallible containments do not render it unnecessary to regu-

larlytestforleaks,e.g.following

lengthy breaks in service, substantial alterations, repairs and

modications.

Read the separate instruction manual giving detailed instructionsontheconguration,operation and maintenance of units fitted with infallible contain-

ments.

Technical Description

1.2.4 Tubing

Unless otherwise specied, the analyzers

are supplied with Viton® or PVDF piping

(ø 6/4 mm or 1⁄4 in). Other materials (e.g. stainless steel) can be used, depending on the application.

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X-STREAM XE

1.2Congurationof Gas Lines

1.2.6 Optional Components for Gas Lines

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The analyzers can, as an option, be tted with

further components. Not all components are available for all analyzer types:

• internal sample gas pump

• internal valve block

• internal ow sensors

• internal ow monitor switch

• internal barometric pressure sensor

• internal temperature sensors.

1.2.6.1 Internal Sample Gas Pump

An internal sample gas pump is used when

the sample gas is under insufcient pressure. It ensures a constant ow of sample gas (max.

2.5 l/min through the analyzer).

When in internal pump is tted, the relevant

parameter in the software setup dialog is set to Yes ( 6-88). The pump can be controlled either manually through a software menu or optionally by a digital input.

Note!

Gas pressure is limited to atmospheric, if an internal pump is used!

1.2.6.2 Internal Valve Block

An internal valve block allows all necessary gas lines (zero gas, span gas, sample gas) to remain permanently connected to the analyzer. Valves are then activated automatically when required (e.g. during automatic calibration).

When an internal valve block is tted, this

is shown in the relevant software setup dialog as either Internal or Int+Ext ( 6-105). The valves are controlled by either a software menu, optionally by digital input, or automatically during autocalibration.

Depending on the model, up to two valve

bocks can be tted.

1.2.6.3 Internal Flow Sensor

Up to two internal ow sensors can measure the ow of gas and, compared to the ow monitor switch can provide a ow reading.

They also can activate an alarm signal in the event of a failure.

The alarm level for ow sensors is operator

adjustable to up to 2000 ml/min. Depending

on the model, up to two sensors can be tted

and evaluated separately. When a sensor is tted, the relevant parame-

ter in the software setup dialog is set to Yes ( 6-107).

If the current ow rate is too low, a status

message is displayed and the parameter under CHECK REQUESTS.. is set to Yes

( Chapter 8 'Troubleshooting').

1.2.6.4 Internal Flow Monitor Switch

An internal ow switch monitors the gas ow

and activates an alarm signal in case it is

not sufcient. Compared to the ow sensore it does not provide a ow reading, but only indicates if the ow is sufcient, or not.

The alarm level for the internal ow switch is xed and not operator adjustable. Additional

external switches may be used and connected

via digital inputs. All tted ow switches are

evaluated to share a common alarm. When an internal ow switch is tted, the re-

levant parameter in the software setup dialog is set to Yes ( 6-105).

If the current ow rate is too low, a status

message is displayed and the parameter under CHECK REQUESTS.. is set to Yes

( Chapter 8 'Troubleshooting').

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1.2Congurationof Gas Lines

1.2.6.6 Internal Barometric Pressure Sensor

X-STREAM XE

Varying atmospheric pressure has an inuence also on the density of the gases applied to the measuring system: Higher density correlates with more molecules per volume and

thus inuences the measuring results. To compensate such inuences. an internal

barometric pressure sensor can be installed. It´s reading is used to electronically compen-

1.2.6.5 Internal Temperature Sensors

In the same way as pressure variations, va-

rying temperatures inuence the measuring

results: Higher temperature results in lower gas density and thus in less molecules per volume. To compensate temperature inuence, internal temperature sensors can be installed to electronically compensate temperature variations ( page 3-21 ,measurement

specication).

sate the atmospheric pressure variation ( measurement specication, page 3-21).

If such a sensor is installed in the unit, the related menu shows the entry Internal ( 6-105).

Technical Description

Depending on the conguration of the unit or

the demands of the application, temperature sensors can measure the unit’s internal temperature or selected measurement channel components.

If such sensors are installed in the unit, this is indicated in the installed options menu ( 6-105).

Emerson Process Management GmbH & Co. OHG 1-7

Page 32

X-STREAM XE

1.2Congurationof Gas Lines

1.2.6.7 Optional Heated Area

Instruction Manual

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05/2017

The physical components can be optionally separated from the electrical components by means of a special box (not an option for ½ 19 in units). This can be done for one or both of the following purposes:

Firstly, the box allows the physical components to be regulated to a temperature of approx. 60 °C, avoiding condensation of

gases or minimizing the inuence of varying

environmental temperatures. Secondly, the box can be purged with, for

example, inert gas (enclosure purge). The purge gas is rst fed through a separate tting, purges the electronic components, then

oods the box and leaves the instrument via another tting.

Purging in this manner can be useful when measuring very low concentrations (e.g. of

CO or CO2): the expulsion of ambient air

avoids adulterant outside inuences.

Alternatively, enclosure purging can be used to secure enhanced protection for electronic parts and operators from corrosive or toxic gases: any leaking gas is expelled from the housing and does not escape into the vicinity of the unit or come into contact with any electronic components located outside the box.

In either case, the purge gas outlet should be connected to an exhaust gas line.

Isolating cover

Physical

components

(example)

The gure shows the heated

area with the insulating cover removed.

Fig. 1-2: Optional Heated Area

Heated mounting panel

Cable support for signal wires

Emerson Process Management GmbH & Co. OHG1-8

Page 33

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1.2.6.8 Suppressed Ranges

X-STREAM XE

1.2Congurationof Gas Lines

Suppressed ranges require additional components (some optional, or depending on measurement):

• internal isolating box covering measuring cells, detectors and sources only

• pressure regulator

• ow sensor

• pressure sensor.

Restrictions apply to ambient operating temperature ranges for suppressed ranges.

Technical Description

Pressure regulator

Isolating box for suppressed ranges

Pressure sensor

Note!

Images show optional components. Content of Images is reduced to essential.

Fig. 1-3: Suppressed Ranges Options

Emerson Process Management GmbH & Co. OHG 1-9

Flow sensor

Page 34

X-STREAM XE

1.2.7 Congurations

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1.2Congurationof Gas Lines

Depending on the application and the selected

analyzer options, several gas line congurations are available, exemplied in the following

diagram of a dual-channel analyzer:

Note!

X-STREAM gas analyzers feature at maximum eight gas connectors. So, parallel tubing is not possible for ve channel congurations (at least two out of ve channels need to be serial tubed)!

Fig. 1-4: Gas Flow Diagram: Single Channel Or in Series

Emerson Process Management GmbH & Co. OHG1-10

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1.3 Interfaces

X-STREAM XE

1.3Interfaces

All analyzer types are tted with one analog

electrical output for each channel, four status relays, 2 Ethernet interfaces and a serial service interface as standard.

As an option, further interfaces can be added.

1.3.1 Analog Outputs

By default each X-STREAM analyzer is tted with one output per channel, which can transmit data on concentration levels to an

external data acquisition system. Up to ve

analog outputs can be installed. The analog outputs support several operation

modes, such as 4-20 mA, 0-20 mA, as well

as the NAMUR NE 43 specications (incl.

Live Zero). Operation modes can be set in a software menu ( 6-76).

The factory setting for analog outputs is 4-20 mA.

Depending on the unit conguration, all interfaces are accessible via either SubminD connectors or screw terminals

X-STREAM analyzers support up to five analog outputs, which, however, do not always need to be assigned to measurement channels which are physically present: If

a unit features less than ve channels, the

remaining analog outputs can be used to transmit concentration levels with a different resolution; for example, a single-channel analyzer could be set up as follows:

Output 1: 0 … 100 % CO2 = 4 … 20 mA Output 2: 0 … 25 % CO2 = 4 … 20 mA

Technical Description

1.3.2 Status Relays

By default each analyzer provides four relays

outputs, precongured to signal the current

status of the unit according to the NAMUR

NE 44 specication ('Failure', “Maintenance request”, 'Out of specication' and 'Function

check'). However, the operator can assign different functions to the relays via software menus. For a comprehensive list of available functions, 6-82.

Note!

Any NE 44 status is also indicated by symbols appearing in the display´s 1st line. These

symbols remain conformant to NE 44 even when the status relays are software assigned

different functions.

Emerson Process Management GmbH & Co. OHG 1-11

Electrical details:

maximum load of 30 V / 1 A / 30 W, can be operated as normally open (NO) or

normally closed (NC).

Further information on the status relays is provided in the section 'Technical Data' 2-2.

Page 36

X-STREAM XE

1.3Interfaces

1.3.3 Modbus Interface, Ethernet

The Ethernet Modbus interface offers the same form of communication with a data acquisition system as does a serial interface. Furthermore this interface enables to connect the analyzer to a network, providing webbrowser access.

This interface is electrically isolated from the unit’s electronic components and enables the construction of a network of several analyzers.

Information about web-browser access is provided in Chapter 7.

Instruction Manual

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05/2017

Fig. 1-5: Ethernet Interface Marking

Note!

All analyzers provide 2 Ethernet connectors

1.3.4 Serial Interface

A serial interface with the Modbus protocol allows communication with external data acquisition systems. The interface enables the exchange and modication of measurement and analyzer signals, analyzer status monitoring as well as remote activation of procedures.

The serial interface is electrically isolated from the unit’s electronic components. RS 485 facilitates the construction of a network of several analyzers. RS 232 interface only supports communication between two end devices.

1.3.5 USB Interfaces

Two USB connectors enable connecting

• storage devices to the bigger port for

external data and analyzer conguration

storage

• external computers to the smaller Mini USB port.

A table nearby the connector shows the

interface conguration

(here: MODBUS)

Fig. 1-6: Serial Interface Marking

Chapter 7 provides more information on

how to use USB ports.

Fig. 1-7: USB Interfaces

Emerson Process Management GmbH & Co. OHG1-12

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1.3.6 Optional Interfaces

1.3.6.1 Analog Inputs

X-STREAM XE

1.3Interfaces

Two d. c. analog inputs enable connection to external devices. Their signals can be used for e.g.

• cross compensation

• pressure compensation, or

• handled as a separate measurement chan-

nels.

1.3.6.2 Digital Outputs

In addition to the 4 default digital outputs, analyzers can optionally be upgraded with 9 or 18 more digital outputs, to be used for various purposes, e.g.:

• Triggering concentration alarms: Process

control systems can detect when limits are exceeded and trigger appropriate actions.

• Switching external components: For ex-

ample, during automatic calibration, the necessary valves can be activated directly by the analyzer.

Electrical details:

0–1 (10) V , Rin = 100 kΩ or 0–20 mA, Rin = 50 Ω

The inputs are protected against overload up to ± 15 V or ± 20 mA.

Technical Description

The different functions can be assigned via software menus. For a comprehensive list of available functions, 6-82.

Electrical details:

maximum load of 30 V / 1 A / 30 W, can be operated as normally open (NO) or

normally closed (NC).

1.3.6.3 Digital Inputs

Digital inputs can be integrated into the units

in groups of 7 or 14.

Digital inputs can be used to:

• trigger calibration procedures, for example

by a process control system

• remotely control valves and the optional

sample gas pump (in concert with correctly

congured digital outputs).

The different functions can be assigned via software menus. For a comprehensive list of available functions, 6-86 .

Emerson Process Management GmbH & Co. OHG 1-13

Electrical details:

DC inputs LOW: Uin ≤ 1,5 V HIGH: Uin ≥ 4,5 V Rin: 57.5 kΩ Common ground for all outputs (“IN-

GND”)

The inputs are protected against excess voltages of up to approx. 40 V. An open (not wired) input has LOW potential.

Page 38

X-STREAM XE

1.4Comparisonof Analyzer Models

1.4 Comparison of the Various X-STREAM Enhanced Analyzer Models

Instruction Manual

HASXEE-IM-HS

05/2017

X-STREAM XEGK

⁄219 in housing, table-top or rackmountable,

optional with carrying handle

⁄119 in housing, table-top or rackmountable,

protection type: IP 20

X-STREAM XEGP

protection type: IP 20 Internal wide range power supply, or

Internal wide range power supply unit Internal wide range power supply unit Internal wide range power supply unit

24V input with external power supply unit Max. 3 channels in many combinations

max. 8 gas connections,

including 1 optional purge gas connection

Options for gas lines: Flow sensor, pressure

sensor, infallible gas lines. With restrictions on

measurement channel combinations: sample gas pump, 1 valve block

1–5 analog outputs, 4 relay outputs, 2 Modbus Ethernet interfaces, 2 USB connectors

optional: 1 interface card with 7 digital inputs and 9 digital outputs

1 interface card with analog inputs

electrical interfaces accessible via sockets on back of unit

Max. 5 channels in many combinations max. 8 gas connections,

1 optional extra connection for purge gas Options for gas lines: Flow sensor, pressure

sensor, heating for physical components, sample gas pump, 1 or 2 valve blocks, infalli-

ble gas lines

1–5 analog outputs, 4 relay outputs, 2 Modbus Ethernet interfaces, 2 USB connectors

optional: 1 or 2 interface cards, each with 7 digital inputs and 9 digital outputs

1 interface card with analog inputs

electrical interfaces accessible via sockets on back of unit, optionally: screw-type terminal

adapters

(except for Ethernet & USB)

LCD LCD LCD, impact tested front panel LCD, impact tested front panel Max. operating ambient temperature

0 °C to +50 °C (32 °F to 122 °F)

Max. operating ambient temperature 0 °C to +50 °C (32 °F to 122 °F)

Size: (DxHxW): max. ca. 460x128.7x213 mm Weight: ca. 8–12 kg (17.6 - 26.5 lb)

Size: (DxHxW): max. ca. 411x133x482 mm Weight: ca. 11–16 kg (24.3–35.3 lb)

For more detailed information: 1-16 For more detailed information: 1-18 For more detailed information: 1-20 For more detailed information: 1-25

: Limitations apply to selected measurement principles and ranges,

Measurement Specications!

Emerson Process Management GmbH & Co. OHG1-14

Page 39

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X-STREAM XEXF X-STREAM XEFD

X-STREAM XE

1.4Comparisonof Analyzer Models

Technical Description

Stainless steel wallmountable eld housing,

tection type: IP66 / NEMA 4X Single (XEF) or dual (XDF) compartment design

Max. 5 channels in many combinations max. 8 gas connections,

1 optional extra connection for purge gas Options for gas lines: Flow sensor, pressu-

re sensor, heating for physical components, sample gas pump, 1 or 2 valve blocks, infalli-

ble gas lines

1–5 analog outputs, 4 relay outputs, 2 Modbus Ethernet interfaces, 2 USB connectors

optional: 1 or 2 interface cards, each with 7 digital

inputs and 9 digital outputs

1 interface card with analog inputs

electrical interfaces on internal screw-type terminal adapters

(except for Ethernet & USB)

pro-

Cast aluminum wallmountable eld housing,

protection type: IP66 / NEMA 4X

Max. 5 channels in many combinations max. 8 gas connections,

including 2 optional purge gas connection Options for gas lines: Flow sensor, pressu-

re sensor, heating for physical components, sample gas pump, 1 or 2 valve blocks, infalli-

ble gas lines

1–5 analog outputs, 4 relay outputs, 2 Modbus Ethernet interfaces, 2 USB connectors

optional: 1 or 2 interface cards, each with 7 digital

inputs and 9 digital outputs

1 interface card with analog inputs

electrical interfaces on internal screw-type terminal adapters

(except for Ethernet & USB)

Max. operating ambient temperature

-20 °C to +50 °C (-4 °F to 122 °F) Models available for use in hazardous areas

(explosive environments)

Size: (DxHxW): ca. 265x400 (815)x550 mm Weight: max. ca. 25 (45) kg / 55.1 (99.2) lb

Emerson Process Management GmbH & Co. OHG 1-15

Max. operating ambient temperature

-20 °C to +50 °C (-4 °F to 122 °F) Flameproof enclosure: approved for use in

hazardous areas (explosive environments)

Size: (DxHxW): max. ca. 222x512x578 mm Weight: max. ca. 63 kg (138.9 lb)

Page 40

X-STREAM XE

1.5X-STREAM XEGK

1.5 X-STREAM XEGK: ½19 Inch Table-Top Unit

This compact model for general purposes

can be tted with up to three measurement

channels in various combinations. Power is supplied by an internal wide range power supply or a separate external power supply unit.

By default the units are congured for tabletop

use. A carrying handle is optional available which makes it easy to take the instrument to varying sampling points. For rack mounting a

XEGK is xed by screws located at the front

panel.

Connection to power supply

AC is supplied by an IEC chassis plug with power switch and fuse holders. The internal wide range power supply unit enables the analyzers to be used worldwide. DC 24 V power is supplied via a 3-pin socket at the rear of the unit.

Instruction Manual

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05/2017

Interfaces

Electrical connections for interface signals are provided via submin-D connectors, Ethernet and USB connectors mounted on the rear panel of the device ((

Fig. 1-8). Detailed technical details on the various interfaces can be found at 2-2. The conguration of the connectors are described in Chapter 4 'Installation' and the software settings in Chapter 6 'User interface and software menus'.

Gas connections

Depending on the conguration of the unit

(number of measurement channels and serial or parallel connection), sample and calibration gases are fed into the unit via up to 8 tube

ttings mounted on the rear panel. Any free tube ttings can be used for purging the de-

vice

to minimize interference from the ambient

atmosphere, or when measuring corrosive and/

or ammable gases.

Emerson Process Management GmbH & Co. OHG1-16

Page 41

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X-STREAM XE

1.5X-STREAM XEGK

Technical Description

1 3 4 5 62

11 12 137

Note!

Figures show optional components!

1 Status line 2 Graphic display 3 Messages line 4 home key 5 enter key 6 4 keys for adjustment and menu selection

7 Signal connectors (some optional)

Fig. 1-8: X-STREAM XEGK - Views

Emerson Process Management GmbH & Co. OHG 1-17

8 DC power input fuse 9 DC power input

10 Gas ttings and valve block

11 AC power input with switch and fuses 12 Standard gas in- and outlets 13 Carrying handle

7 8 9 10

Page 42

X-STREAM XE

1.6X-STREAM XEGP

1.6 X-STREAM XEGP: 19 Inch Table-Top or Rackmount Design

Instruction Manual

HASXEE-IM-HS

05/2017

This model can be tted with up to ve measurement channels in various combinations. The physical components can optionally be encased in a cover. This area can be held at a specic temperature of up to 60 °C to minimize interference from changes in external temperature.

Units congured for rack mounting can be

converted for tabletop use by removing the lateral mounting brackets and attaching the four feet supplied as accessories.

Connection to power supply

Main power is supplied via the IEC chassis plug mounted on the rear panel, with integrated power switch and fuse holders. The internal wide range power supply unit enables the analyzers to be used worldwide.

Interfaces

Electrical connections for interface signals are provided via submin-D connectors mounted

on the rear panel of the device (g 1-8).

For applications where screw-type terminals are preferred, optional adapters are available, which are mounted directly onto the submin-D connectors.

Detailed technical details on the various interfaces can be found at 2-2. The con-

guration of the connectors and the optional

screw-type terminal adapters are described in Chapter 4 'Installation' and the software settings in Chapter 6 'User interface and software menus'.

Up to two digital I/O cards may be installed, where the first digital I/O card is marked "X4.1" while the second is "X4.2" on the rear

panel, right above the connector ( Fig. 1-9, rear view).

Gas connections

Depending on the conguration of the unit

(number of measurement channels and serial or parallel connection), sample and calibration gases are fed into the unit via up to 8 threaded connectors mounted on the rear

panel. The conguration of the connectors is

indicated on an adhesive label located near the connectors.

A further optional tube tting enables the

housing to be purged

to minimize interference

Emerson Process Management GmbH & Co. OHG1-18

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Front view

1 Status line 2 Graphic display 3 Messages line

1 3 4 5 62

1.6X-STREAM XEGP

4 home key 5 enter key 6 4 keys for adjustment and menu selection

X-STREAM XE

Technical Description

Rear view

15 2 4 36

1 Gas connector ttings

2 Space for additional ttings

3 Optional purge gas inlet

adapter

Optional

screw-type terminal

Fig. 1-9: X-STREAM XEGP - Details

4 Power inlet with lter, fuses & switch

5 Signal input/output connectors (some optional) 6 Cover for eO2 or tO2 sensor

Strain-reliefs, top view details

1 Screw-type terminal adapters 2 Strain-reliefs

Emerson Process Management GmbH & Co. OHG 1-19

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Instruction Manual

X-STREAM XE

HASXEE-IM-HS

05/2017

1.7X-STREAM XEXF Field Housings

1.7 X-STREAM XEXF: Field Housing With (XEF ) Single or (XDF) Dual Compartment

Field housing are conceived for outdoor use and wall-mounting. The coated stainless steel housing has a protection class rated IP66 / NEMA Type 4X, offering protection against water and dust entering the device:

IPx6: In case of occasional ooding, e.g. heavy seas, water shall not enter in harmful

quantities IP6x: Protection against penetration by dust.

Live or internal moving parts are completely

protected.

An X-STREAM eld housing can be tted with up to ve measurement channels in various

combinations. The physical components can optionally be encased in a cover. This separate volume can be held at a specic temperature of up to 60 °C to minimize interference from changes in external temperature.

Front panel

The analyzer’s display is

covered by an impact tested glass for enhanced protection against breakage in harsh environments.

Electrical connections

Electrical connections are provided via inter-

nal tube ttings, the cables being fed through

cable glands at the right side of the unit ( Fig. 1-11). The front cover of the housing swings open to the left once the fasteners have been released.

Connection to power supply

Mains power is supplied via screw-type terminals with integrated fuse holders at the right side of the housing, near the front. The wide range power supply unit mounted internally enables the analyzers to be used worldwide.

Interface signals

Up to two digital I/O cards may be installed. If so, on a label nearby, they are labeled

"X4.1" for the rst I/O board, and "X4.2" for

the second. Detailed technical details on the various inter-

faces can be found at 2-2. The congu- ration of the screw-type terminal adapters are described in Chapter 4 'Installation'and the software settings in Chapter 6 'User interface and software menus'.

Gas connections

Depending on the conguration of the unit

(number of channels, series or parallel pi-

ping), up to eight tube ttings are provided for

the supply of sample and calibration gases.

The assignments of the ttings is given on an adhesive label situated near the ttings.

A further optional tube tting enables the

housing to be purged

to minimize interference

from the ambient atmosphere, or when measu-

ring corrosive and/or ammable gases.

For further information, see 1-5.

Dual compartment variation XDF

The dual compartment variation XDF supports separating electronics and physics, e.g. for measurement of corrosive or solvent gases. For such applications the electronics are installed in the upper compartment, while measurement physics are in the lower compartment. This separation is also available as gastight version. XDF also provides more space e.g. for installation of optional signal converter elements for system integrators.

Emerson Process Management GmbH & Co. OHG1-20

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X-STREAM XE

1.7X-STREAM XEXF Field Housings

Technical Description

XEF

Fig. 1-10: X-STREAM XEXF Field Housings- Front Views

HEAVY INSTRUMENT

X-STREAM eld housings, intended for outside and wall mounted use, weigh approx. (XEF) 26 kg (57 lb)or (XDF)45 kg (99 lb), depending on optionsinstalled.

Twopeopleand/orliftingequipmentisrequiredtoliftandcarrytheseunits.

Takecaretouseanchorsandboltsspeciedtobeusedfortheweightof

the units!

Take care the wall or stand the unit is intended to be installed at is solid and stable to support the weight!

XDF

Emerson Process Management GmbH & Co. OHG 1-21

Page 46

X-STREAM XE

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05/2017

1.7X-STREAM XEXF Field Housings

21 3 5 4 5

1 Cable gland for power cable 2 Cable glands for signal cables 3 4 brackets for wall-mounting 4 Gas in- & outlets (max. 8) 5 Cutouts, to combine 2 housings (here closed)

Fig. 1-11: X-STREAM XEF - Right Side and Bottom View

Note!

In case of XDF, the cable glands are

located at the upper compartment, while the gas in- & outlets are at the bottom side of the lower compartment. Also only 2 brackets are at each compartment.

Emerson Process Management GmbH & Co. OHG1-22

Page 47

Instruction Manual

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X-STREAM XE

1.7X-STREAMXEXFFieldHousings

Technical Description

(shown with front

panel removed)

1 Screw-type terminals for signal cables

2 Power line lter

3 Cable glands 4 Power supply terminals with integrated fuses 5 Ethernet Service Port and USB connection 6 Ethernet network conncetion

Fig. 1-12: X-STREAM XEF - Power Supply and Signal Terminals

1 32 45

Note!

In case of XDF, the terminals and

connectors are located at the upper

compartment, while physical components and gas ttings are in the lower compartment.

Emerson Process Management GmbH & Co. OHG 1-23

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Instruction Manual

X-STREAM XE

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05/2017

1.7XEXFField Housings in Hazardous Areas

1.7.1 Field Housings XEXF for Installation in Hazardous Areas (Ex-Zones & Divisions)

EXPLOSION HAZARD

X-STREAMXEXFeldhousingsCAN NOT be used in explosive environments (hazardousareas)withoutadditionalsafetyfeatures.

This instruction manual does NOT describe the special conditions necessary

tooperategasanalyzersinhazardousareas.

Please refer to the separate instruction manual supplied with units for use

inhazardousareas.

Special X-STREAM eld housing analyzer models can be used in Ex-zones 2 or Division 2:

X-STREAM XEFN/XDFN:

Analyzer with non-sparking protection for

measuring non-ammable gases in European

Ex-zone 2 and North-American Division 2 areas:

the customized conguration of this instrument

ensures that, when used correctly, no sparks, hot surfaces etc. which could ignite an explosive ambient atmosphere are generated. No further measures, such as a supply of protective gas, are necessary.

Please contact your local EMERSON Process

Management ofce if you require analyzers

for use in hazardous areas.

Emerson Process Management GmbH & Co. OHG1-24

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1.8X-STREAM XEFD

1.8 X-STREAM XEFD: Cast Aluminum Flameproof Housing

X-STREAM XE

The most obvious X-STREAM XEFD analyzer feature is its ameproof housing ( Fig. 1-13 ). This enables its use in Ex-zone 1 hazardous environments. With a protection type of IP66/NEMA Type 4X and sturdy cast aluminum housing designed for wall-mounting, it can also be used in other tough environments.

IPx6: In case of occasional ooding, e.g. heavy seas, water shall not enter in harmful

quantities IP6x: Protection against penetration by dust.

Live or internal moving parts are completely

protected.

Up to ve measuring channels in various combinations can be installed in the X-STREAM XEFD. The physical components can optionally be encased in a cover. This separate

volume can be held at a specic temperature

of up to 60 °C to minimize interference from changes in external temperature.

Front panel

The analyzer’s display is impact tested glass for enhanced protection against breakage in harsh environments.

Electrical connections

Electrical connections are made via internal screw-type terminals; the corresponding cables are fed through cable inlets on the un-

protected by an

derside of the unit into the housing ( Fig. 1-14 ). The front of the unit opens downwards once the screws located on the surrounding

ange are removed

Connection to power supply

Mains power is connected via screw-type terminals with integrated fuses, located in the front right-hand area of the housing. The internally mounted wide range power supply unit ensures, the analyzers can be used worldwide.

Interface signals

Up to two digital I/O cards may be installed,

where terminal strip for the rst digital I/O card

is marked "X4.1" while the second is "X4.2" on a label near the terminals.

Detailed technical details on the various interfaces can be found at 2-2. The congu- ration of the screw-type terminal adapters are described in Chapter 4 'Installation'and the software settings in Chapter 6 'User interface and software menus'.

Gas connections

Depending on the conguration of the unit

(number of channels, series or parallel piping), up to eight ame arresters are provided for the supply of sample and calibration

Technical Description

EXPLOSION HAZARD

The special conditions for installing and operating analyzers in hazardous areas are not covered by this manual!

Read the separate instruction manuals shipped together with instruments intended to be installed in hazardous areas!

Emerson Process Management GmbH & Co. OHG 1-25

Page 50

X-STREAM XE

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1.8X-STREAM XEFD

gases. The assignments of the connectors is given on an adhesive label situated near the connectors.

Optional two of the ttings may be used to

purge the housing

to minimize interference

from the ambient atmosphere, or when measu-

ring corrosive and/or ammable gases. In this

situation special conditions apply for operation in hazardous areas, described in the separate manual addendum for hazardous areas.

transport

lug

screws for

housing

Fig. 1-13: X-STREAM XEFD - Front View

transport

lug

hinges

Emerson Process Management GmbH & Co. OHG1-26

Page 51

Instruction Manual

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X-STREAM XE

1.8X-STREAM XEFD

Technical Description

1 Cable inlets for power and signal cables

2 Gas tube ttings, protected by ame arrestors

3 4 brackets for wall mounting 4 Transport lug

Fig. 1-14: X-STREAM XEFD - Bottom View

The model X-STREAM XEFD, intended for outside and wall mounted use,

weighsapprox.63kg(139lb),dependingonoptionsinstalled.

Twopeopleand/orliftingequipmentisrequiredtoliftandcarrytheseunits. Usethetransportlugslocatedonthesidesoftheinstrument.

Takecaretouseanchorsandboltsspeciedtobeusedfortheweightof

the units!

Take care the wall or stand the unit is intended to be installed at is solid and stable to support the weight!

1234 3

HEAVY INSTRUMENT

Emerson Process Management GmbH & Co. OHG 1-27

Page 52

X-STREAM XE

Instruction Manual

HASXEE-IM-HS

05/2017

1.8X-STREAM XEFD

(shown with front

panel removed)

1 Ethernet Service port & USB

2 Ethernet for network connection

3 Analog & digital I/O terminal strips

4 Max. 3 signal cables entries sdd

Fig. 1-15: X-STREAM XEFD - Terminals

3 421

Emerson Process Management GmbH & Co. OHG1-28

Page 53

Instruction Manual

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Chapter 2

Technical Data

This chapter contains all the technical details of the analyzers, divided into common and

model-specic data.

Common technical data page 2-2

X-STREAM XEGK page 2-6

X-STREAM XE

X-STREAM XEGP page 2-12

X-STREAM XEXF (XEF, XDF) page 2-15

X-STREAM XEFD page 2-19

Technical Data

Emerson Process Management GmbH & Co. OHG 2-1

Page 54

X-STREAM XE

2.1 Common Technical Data

Site of installation

Humidity (non-condensing)

Degree of pollution 2 Installation category II Elevation 0 to 2000 m (6560 ft) above sea level

Ambient atmosphere

Certication

Electrical safety

Instruction Manual

HASXEE-IM-HS

05/2017

2.1 Common Technical Data

< 90 % RH at +20 °C (68 °F) < 70 % RH at +40 °C (104 °F)

Units may not be operated in corrosive,

ammable or explosive environments (except ameproof XEFD) without additional safety measures.

CAN / USA

Europe

CSA-C/US, based on CAN/CSA-C22.2 No.

61010-1-04 / UL 61010-1, 2nd edition

CE, based on EN 61010-1

Electromagnetic compatibility

Europe CE, based on EN 61326 Australia C-Tick

Gas parameters

Chapter 3 “Measuring principles” or “4.3 Gas conditioning” on page 4-3

Emerson Process Management GmbH & Co. OHG2-2

Page 55

Instruction Manual

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2.1 Common Technical Data

Interfaces, signal inputs and outputs

Interface signals are accessed in different ways depending on the analyzer model:

X-STREAM XEGK, XEGP: standard: subminD plugs and sockets optional: screw-type terminal adapters (XEGP only)

X-STREAM XEXF, XEFD: internal screw-type terminals

All versions provide 2 RJ45 plugs for Ethernet connections as well as 1 USB and 1 mini USB connector (eld housings internally only).

All models are supplied with

electrical

up to 5 analog outputs

(standard: 1 analog output

per channel)

4 relay outputs

2 Modbus interfaces Ethernet (RJ45 sockets)

specication

function

electrical

specication

function

specication USB 1.0

4 (0)–20 mA (RB ≤ 500 Ω) optically isolated from each other and from analy-

zer electronics

user-congurable activation and deactivation of

concentration levels support for NAMUR NE 43 operation modes, con-

gurable via keypad and Modbus

Dry relay change-over contacts, to be used as NO or NC

max. load. 30 V; 1 A; 30 W resistive Each output can be congured to provide any of

the functions listed by These functions include, but are not limited to

NAMUR NE 107 status signals 'Failure', 'Main-

tenance request', 'Out of specication', 'Function check' (these signals are automatically congured

Fail Safe),

concentration alarms (can manually be congured

Fail Safe),

control signals for external valves or pumps,

and many more

X-STREAM XE

Tab. 6-1 at page 6-77.

Technical Data

1 USB connector type A,

2 USB ports

function

Emerson Process Management GmbH & Co. OHG 2-3

for connecting external storage devices

1 USB connector type mini AB, for connecting external computers

Page 56

X-STREAM XE

2.1 Common Technical Data

Optional interfaces for all models Digital I/O board

7 or 14 digital inputs

(X-STREAM XEGK: max. 7 inputs)

9 or 18 additional relay outputs

(X-STREAM XEGK: max. 9 add.

outputs)

electrical

specication

function

electrical

specication

function

Instruction Manual

HASXEE-IM-HS

05/2017

max. 30 V, internally limited to 2.3 mA HIGH: min. 4 V; LOW: max. 3 V

common GND

Each input can be congured to any of the

functions listed by 6-87

, e. g.

Tab. 6-4 at page

Open valve Activate sample gas pump Zero calibrate all channels Span calibrate all channels Zero and span calibrate all channels Abort calibration

Dry relay change-over contacts can be used as NO or NC

max. load. 30 V; 1 A; 30 W resistive Each output can be congured to provide

any of the functions listed by

Tab. 6-3

at page 6-83 . These functions include, but are not limited

to NAMUR NE 107 status signals 'Failure',

'Maintenance request', 'Out of specication', 'Function check' (these signals are

automatically congured Fail Safe),

concentration alarms (can manually be

congured Fail Safe), control signals for external valves or

pumps, and many more

Emerson Process Management GmbH & Co. OHG2-4

Page 57

Instruction Manual

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2.1 Common Technical Data

Optional interfaces for all models Analog I/O board

electrical

specication

X-STREAM XE

0–1 V, 0–10 V (software selectable) Rin = 100 kΩ

optional (requires to t wire bridges,

Chapter 4 Installation):

0–20 mA ; Rin = 50 Ω

optically isolated from analyzer GND

2 Analog inputs

Serial Interface

1 Interface

Special Interface Service Interface

1 Serial

protected against overload up to ± 15 V or ± 20 mA

Input analog signals from external devices, such as e.g.

function

electrical

specication

function RS232E, RS485 or Modbus

electrical

specication

function Only for special trained service personnel!

RS232E,

NOT optically isolated from analyzer electronics

pressure transmitters,

ow sensors, analyzers, etc.

for compensation or other purposes

9-pin,optically isolated from analyzer electronics

Technical Data

Emerson Process Management GmbH & Co. OHG 2-5

Page 58

X-STREAM XE

2.2.1 Model-Specic Technical Data: X-STREAM XEGK

2.2 Model-Specic Technical Data

2.2.1 X-STREAM XEGK: ½19 Inch Tabletop Unit

Instruction Manual

HASXEE-IM-HS

05/2017

All dimensions in mm [in]

Fig. 2-1: X-STREAM XEGK - Dimensions

Emerson Process Management GmbH & Co. OHG2-6

Page 59

Instruction Manual

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2.2.1 Model-Specic Technical Data: X-STREAM XEGK

X-STREAM XE

Front panel detail

6 screws (M 2.5) for rack mounting or afxing frame & handle

Frame and handle detail

Technical Data

Standard I/Os, analog inputs, DC supply, valve block

Portable with handle, standard I/Os, digital I/Os, AC supply, standard gas ttings

Note!

The shown rear panel options are interchangable!

Fig. 2-2: X-STREAM XEGK - Rear Panel and Handle Variations

Emerson Process Management GmbH & Co. OHG 2-7

Page 60

X-STREAM XE

2.2.1 Model-Specic Technical Data: X-STREAM XEGK

Temperatures

operational, max.

storage -20 … +70 °C / -4 … -158 °F

Weight, max 8 … 12 kg / 17.6 … 26.5 lb

0 … +50 °C / 32 … 122 °F

Instruction Manual

HASXEE-IM-HS

05/2017

IP or Type rating

protected against dripping water and direct sun light

IP 20 for indoor use,

Measurement channels, max. 3 Gas connections

max number 8 max for purging

(incl. / separate)

2 incl.

material PVDF; stainless steel (opt.) sizes 6/4 mm; 1⁄4"

Power supply unit external; alternatively: internal wide range P/S

Power supply

Mains supply voltage uctuations are not to exceed

± 10 percent of the nominal voltage nominal voltage DC 24 V 100–240 V 50 / 60 Hz voltage range

DC 10–30 V 85–264 V 47–63 Hz

nominal input current, max 2.5 A 1.3–0.7 A

Power input fuses

AC 230 V / T 3.15 A

5x20 mm (1 pcs)

AC 230 V / T 4 A

5x20 mm (2 pcs)

Electrical in- and outputs

power

signals

special

: Limitations apply to selected measurement principles and ranges,

Measurement Specications!

3-pin XLR connector

signal cables are connected using submin-D plugs or sockets on the unit’s rear panel

Ethernet: RJ45 socket; USB connectors

IEC connector with integrated

power switch & fuse holders

Emerson Process Management GmbH & Co. OHG2-8

Page 61

Instruction Manual

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X-STREAM XE

2.2.1 Model-Specic Technical Data: X-STREAM XEGK

2.2.1.1 Data for Optional External Power Supply Units

Model UPS 01 T

This PSU can be ordered as an option for supplying power to one tabletop unit.

54.2

57.7

All dimensions in mm [in]

105.9

IEC power input socket

275.3

Fig. 2-3: UPS 01 Tabletop Power Supply Unit

Pin 1: ME

Pin 2: + 24 V

Pin 3: 0 V (⊥)

shield: housing ange

Pin conguration for 24 V DC output socket

(shielding)

Nominal input voltage 120 / 230 V 50/60 Hz

Input voltage range 95–138 V / 187–264 V , 47–63 Hz

Power consumption max. 240 VA

Input

via rubber connector (IEC plug;

Fig. 2-3

Power input fuses The PSU does not include user-replaceable fuses. Nominal output voltage 24 V (± 5 %) Nominal output current 5 A

Surge protection

Excess temperature protection

current limiting typ. 110 % I

short-circuit-proof

reduction of output voltage to disconnection. Resets after cooling.

straight response curve,

nom

Output 3-pin XLR socket

Weight approx. 2.5 kg (4.8 lb)

Certication

Safety EN 60950, UL1950, CSA22.2 NO 950-95

EMC

EN 50081-1 (emitted interference) rence resistance), et al

EN 50082-2 (interfe-

Technical Data

Emerson Process Management GmbH & Co. OHG 2-9

Page 62

X-STREAM XE

2.2.1 Model-Specic Technical Data: X-STREAM XEGK

This PSU can optionally be ordered for rack installation. Two variations are available:

• with blind front panel, connectors at the rear side

• with rear panel, connectors to the front.

Both variations are xed to the rack by means of screws at the panels.

Instruction Manual

HASXEE-IM-HS

05/2017

Fig. 2-4: UPS 01 Power Supply Unit for Rack Installation

Emerson Process Management GmbH & Co. OHG2-10

Page 63

Instruction Manual

HASXEE-IM-HS 05/2017

2.2.1 Model-Specic Technical Data: X-STREAM XEGK

X-STREAM XE

Technical Data

Emerson Process Management GmbH & Co. OHG 2-11

Page 64

X-STREAM XE

2.2.2 Model-Specic Technical Data: X-STREAM XEGP

2.2.2 X-STREAM XEGP: 19 Inch Tabletop and Rack-Mount Models

approx. values in mm [in]

Instruction Manual

HASXEE-IM-HS

05/2017

Strain relief bracket, detail

(model with clamping adapters)

Fig. 2-5: X-STREAM XEGP - Dimensions

X: Height of rear panel cover for

tO2 cell: 10 mm [0.39]

eO2 cell: 36 mm [1.42]

Emerson Process Management GmbH & Co. OHG2-12

Page 65

Instruction Manual

HASXEE-IM-HS 05/2017

X-STREAM XE

2.2.2 Model-Specic Technical Data: X-STREAM XEGP

Temperatures

operational, max.

0 … +50 °C / 32 … 122 °F

storage -20 … +70 °C / -4 … -158 °F

Weight, max 12 … 16 kg / 26.5 … 35.3 lb

IP or Type rating

protected against dripping water and direct sun light

IP 20 for indoor use,

Measurement channels, max. 5 Gas connections

max number 8 max for purging

(incl. / separate)

1 separate.

material PVDF; stainless steel (opt.) sizes 6/4 mm; 1⁄4"

Power supply unit wide range, internal

Power supply

Mains supply voltage uctuations are not to exceed

± 10 percent of the nominal voltage nominal voltage 100–240 V 50 / 60 Hz voltage range

85–264 V 47–63 Hz

nominal input current, max

standard, max 1.3–0.7 A w/ temperature control, max 3–1.5 A

Power input fuses AC 230 V / T 4 A / 5x20 mm

Technical Data

Electrical in- and outputs

power

signals

optional

special

: Limitations apply to selected measurement principles and ranges,

Measurement Specications!

Emerson Process Management GmbH & Co. OHG 2-13

IEC connector with integrated power switch & fuse holders

signal cables are connected using submin-D plugs or sockets on the unit’s rear panel

terminals adaptors, to be installed onto the submin-D connectors

Ethernet: RJ45 socket; USB connectors

Page 66

X-STREAM XE

2.2.2 Model-Specic Technical Data: X-STREAM XEGP

Instruction Manual

HASXEE-IM-HS

05/2017

1 Power connector

2 Fuse holder

Fig. 2-6: X-STREAM XEGP - Power Supply and Signal Connections

1 Strain relief with cable shield grounding clamps (quantity varies depending on installed options)

1 2

2 Terminal adapters

3 Power switch

4 Signal connectors (some optional)

31 24

Terminal adapters (detail)

Fig. 2-7: X-STREAM XEGP - Signal Connections With Screw-Type Terminal Adapters (Top View)

Emerson Process Management GmbH & Co. OHG2-14

Page 67

Instruction Manual

HASXEE-IM-HS 05/2017

X-STREAM XE

2.2.3 Model-Specic Technical Data: X-STREAM XEXF Field Housings

2.2.3 X-STREAM XEXF: Field Housing With (XEF) Single or (XDF) Dual Compartment

Cable glands

All dimensions in mm [inches in brackets]

Gas ttings

Technical Data

Connector for potential equalization

Fig. 2-8: X-STREAM XEF - Dimensions

Emerson Process Management GmbH & Co. OHG 2-15

Page 68

X-STREAM XE

2.2.3 Model-Specic Technical Data: X-STREAM XEXF Field Housings

All dimensions in mm [inches in brackets]

Instruction Manual

HASXEE-IM-HS

05/2017

Gas ttings

Connector for potential equalization

Cable glands

Fig. 2-9: X-STREAM XDF - Dimensions

Emerson Process Management GmbH & Co. OHG2-16

Page 69

Instruction Manual

HASXEE-IM-HS 05/2017

2.2.3 Model-Specic Technical Data: X-STREAM XEXF Field Housings

Temperatures

operational, max.

X-STREAM XE

0 (-20) … +50 °C / 32 (-4) … 122 °F

storage

-20 … +70 °C / -4 … -158 °F

Weight, max

XEF (single) up to approx. 25 kg / 55.1 lb XDF (dual) up to approx. 45 kg / 99.2 lb

IP or Type rating

IP 66, Type 4X for outdoor use,

protected against direct sun light

Measurement channels, max. 5 Gas connections

max number 8 max for purging (incl. / separate) 1 separate.

material stainless steel sizes 6/4 mm; 1⁄4"

Power supply unit wide range, internal

Power supply

Mains supply voltage uctuations are not to exceed

± 10 percent of the nominal voltage nominal voltage 100–240 V 50 / 60 Hz voltage range 85–264 V 47–63 Hz

nominal input current, max

Technical Data

XEF

standard, max

1.3–0.7 A

w/ temperature control, max 3–1.5 A

XDF

standard, max 1.5–0.8 A w/ temperature control, max 5.5–3 A

Power input fuses AC 230 V / T 6.3 A / 5x20 mm Electrical in- and outputs

power

screw terminals with integrated fuse holders,

max. 4 mm² / 11 AWG

signals screw terminals, max. 1.5 mm² / 15 AWG

special

Ethernet: RJ45 socket; USB connectors

Cable entries Cable glands, IP 68

permissible cable outer dia 7 … 12 mm / 0.27" … 0.47"

: Limitations apply to selected measurement principles and ranges,

Measurement Specications!

Emerson Process Management GmbH & Co. OHG 2-17

Page 70

X-STREAM XE

2.2.3 Model-Specic Technical Data: X-STREAM XEXF Field Housings

1 Power supply terminals with fuse holders

Fig. 2-10: X-STREAM XEXF Field Housings - Power Supply Terminals / Fuse Holders

2 Grounded conductor clamp (PE)

3 Power supply cable entry

Instruction Manual

HASXEE-IM-HS

05/2017

1 2 4 3

1 Ethernet Service Port & USB connection 2 Analog & digital I/O terminal strips 3 Max. 4 signal cables entries 4 Ethernet network connection

Fig. 2-11: X-STREAM XEXF Field Housings - Signal Terminals

Note!

Depending on the actual analyzer conguration

not all shown terminal strips may be installed!

Emerson Process Management GmbH & Co. OHG2-18

Page 71

Instruction Manual

HASXEE-IM-HS 05/2017

2.2.4 Model-Specic Technical Data: X-STREAM XEFD

2.2.4 X-STREAM XEFD: Flameproof Housing

Transport lugs to be removed after installation

X-STREAM XE

Technical Data

Flame arrestors with gas ttings

(enclosure threads: M18 x 1.5)

Fig. 2-12: X-STREAM XEFD - Dimensions

Cable inlets

(enclosure threads; M20 x 1.5)

Eyebolt detail

All dimensions in mm [inches in brackets]

Emerson Process Management GmbH & Co. OHG 2-19

Page 72

Instruction Manual

X-STREAM XE

2.2.4 Model-Specic Technical Data: X-STREAM XEFD

Temperatures

operational, max.

storage -20 … +70 °C / -4 … -158 °F

Weight, max up to approx. 63 kg / 138.6 lb

0 (-20) … +50 °C / 32 (-4) … 122 °F

HASXEE-IM-HS

05/2017

IP or Type rating

IP 66, Type 4X for outdoor use,

protected against direct sun light

Measurement channels, max. 5 Gas connections

max number 8 max for purging (incl. / separate) 2 incl..

material stainless steel sizes 6/4 mm; 1⁄4"

Power supply unit wide range, internal

Power supply

Mains supply voltage uctuations are not to exceed

± 10 percent of the nominal voltage nominal voltage 100–240 V 50 / 60 Hz voltage range 85–264 V 47–63 Hz

nominal input current, max

standard, max 1.3–0.7 A w/ temperature control, max 3–1.5 A

Power input fuses AC 230 V / T 4 A / 5x20 mm Electrical in- and outputs

power

analog and digital I/O signals

screw terminals with integrated fuse holders,

max. 4 mm² / 11 AWG

screw terminals, max. 1.5 mm² / 15 AWG

special Ethernet: RJ45 socket; USB connectors

Cable entries

: Limitations apply to selected measurement principles and ranges,

Measurement Specications!

to be supplied by customer, see separate insturction ma-

nual for ameproof analyzers

Emerson Process Management GmbH & Co. OHG2-20

Page 73

Instruction Manual

HASXEE-IM-HS 05/2017

2.2.4 Model-Specic Technical Data: X-STREAM XEFD

1 Power terminals with integrated fuse holders 2 Protective earth terminal (PE)

3 Power cable entry 4 EMI power supply lter

X-STREAM XE

Fig. 2-13: X-STREAM XEFD - Power Supply Terminals / Fuse Holders

Technical Data

1 Ethernet Service Port and USB connectors 2 Analog & digital I/O terminal strips 3 4 cable entries for power and signal cables 4 Ethernet network connection

Fig. 2-14: X-STREAM XEFD - Signal Terminals

Emerson Process Management GmbH & Co. OHG 2-21

Note!

Depending on the actual analyzer conguration not all shown terminal strips may be installed!

Page 74

X-STREAM XE

2.3 Information on Name Plate

Instruction Manual

HASXEE-IM-HS

05/2017

The name plate provides details on the conguration of the unit, installed measuring tech-

niques, sample gases and measuring ranges.

It also indicates the unit’s serial number. The plate is located on either the side or the

rear of the unit.

XEGK, XEGP

Note!

XEGK max. 3 channels!

Field housings

Note!

Analyzers congured to be installed in hazardous areas have special name plates, described in the associated manuals.

IR UV UV eO2

NO:FS 150 … 5000 ppm

SO2:FS 100 … 5000 ppm

IR UV UV IR eO2

11912345678

NO2:FS 100 … 5000 ppm

O2:FS 5 … 25 %

11812345678

3 … 7

1 Model and installed measuring techniques (here: 1x resp. 2x IR & 2x UV & electrochemical O2)

2 Serial number

3 Channel 1: Gas and full scale ranges (here: NO, 150 to 5000 ppm) 4 Channel 2: Gas and full scale ranges (here:SO2, 100 to 5000 ppm) 5 Channel 3: Gas and full scale ranges (here: NO2, 100 to 5000 ppm) 6 Channel 4: Gas and full scale ranges (here:CO2, 100 to 1000 ppm) 7 Channel 5: Gas and full scale ranges (here:O2, 5 to 25 %)

8 Manufacturer´s address

9 Certication marks (XEGK, XEGP: on a separate label) 10 Electrical data (XEGK, XEGP: on rear panel)

Fig. 2-15: Analyzer Name Plate (examples)

NO:FS 150 … 5000 ppm

SO2:FS 100 … 5000 ppm NO2:FS 100 … 5000 ppm CO2:FS 100 … 1000 ppm O2:FS 5 … 25 %

Emerson Process Management GmbH & Co. OHG2-22

Page 75

Instruction Manual

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X-STREAM XE

Chapter 3

Measuring Principles

X-STREAM series analyzers support several measuring principles depending on the gas component of interest. This provides best possible results, as the measurement can be

chosen to optimally t the characteristics of

the gas to be measured with respect to the application. The following sections introduce the available measuring principles highlighting

their specic characteristics.

3.1 Infrared Measurement (IR) Ultraviolet Measurement (UV)

The non-dispersive measurement methods

described in this section utilize gas specic

light absorption in order to discriminate between different gases. This is possible, as any gas possesses distinct absorption characteristics. The selective measurement of these absorption lines can be used to identify gas components. The amount of light absorbed by the absorption lines is a direct measure of the gas concentration.

One can distinguish between two different types of non-dispersive measurements differing how wavelength selectivity is accomplished.

It is essential for gas specic concentration

measurements, to selectively detect only light of the absorption line wavelengths of the gas of interest. Typically a gas selective detector is used for NDIR measurements. For NDUV the selectivity is achieved by an additional optical

lter, as the detector itself is not wavelength

selective. In some applications, a pyrodetector is used for NDIR measurements. This type of detectors is not wavelength selective, hence

these setups also use an optical lter to narrow

their wavelength response function. The assembly of a NDIR and NDUV channel is

shown in Fig. 3-3. For NDIR a broad-band IR light source is used to generate the light, while

NDUV measurements utilize a narrowband UV

uorescence source, already adopted for the

absorption lines of the gas of interest. Part of this adoption is done by a specially selected

optical lter in the adaptor cell.

The diameter of the light beam emitted from

the sources is adjusted to completely ll the

opening of the split analysis cell. After traversing the analysis cell, the light passes through

a lter cell which adjusts the beam diameter to

the chopper opening and the diameter of the active detector area. The chopper wheel used is designed to allow an intrinsically referenced measurement. The details of this new patent pending method are described in section 3.1.1.

Which measurement (UV / IR) to use for

a specic application depends on the gas

component to be measured and the required measurement performance.

3.1.1 IntrinzX Technology

The IntrinzX technology is an enhancement of the well established “proof peak” technology with automatic sensitivity control, known from the MLT gas analyzer series. While the “proof peak” provided only one reference measurement per chopper wheel revolution, the IntrinzX technology provides four reference measurements per revolution. The patent pending IntrinzX technology has been introduced into the market with the launch of the X-STREAM X2 gas analyzers.

Using the new IntrinzX chopper wheel, the reference and the measurement signal are

Measuring Principles

Emerson Process Management GmbH & Co. OHG 3-1

Page 76

X-STREAM XE

3.1 Infrared (IR) and Ultraviolet (UV) Measurement

Instruction Manual

HASXEE-IM-HS

05/2017

modulated with 4 and 5 times the basic revolution frequency, respectively. As a result, the proof peak process is integrated into the measurement information, in contrast to being

articially inserted in the measurement signal. Frequency ltering separates the sum signal

into measurement and reference signal ( Fig. 3-1). This results in a permanently referenced signal by dividing the integrated reference level by the integrated measurement level for each revolution.

Therefore the IntrinzX technology provides many outstanding features:

• High dynamic measurement ranges (e.g. 0-200 to 50,000 ppm CO), which cannot be obtained with standard photometric technologies

• Reduced temperature dependency

•

High sensitivity for lowest measuring ranges

This leads to cost saving effects for the customer:

•

One bench enables measurements of low & high ranges

•

Low & high concentration in raw and clean gases

• Small and large ranges before and after scrubbers

•

Measurement of carbon bed breakthrough

/ catalyst efciency

•

Mobile measurements at different sampling points / locations

•

Easy adaption to different applications (universities, laboratories)

• Supports automotive engine testing

• Benches to be used in TOC applications for measurements of low and high carbon content

• Fewer number of benches & cells

•

Easier eld repair and replacement of parts

•

Easy adjustment of low measuring ranges

in the eld

• Reduced maintenance

• Extended span calibration intervals

• Minimized demand for test gases Due to the inherent correlation between refe-

rence and measurement side, span calibration can often be achieved by zero calibration.

The above listed IntrinzX features offer a high degree of exibility with regards to applications:

0 % absorption50 % absorption100 % absorption

Fig. 3-1: IntrinzX Signal Forms

Emerson Process Management GmbH & Co. OHG3-2

Page 77

Instruction Manual

HASXEE-IM-HS 05/2017

3.1 Infrared (IR) and Ultraviolet (UV) Measurement

3.1.2 NDIR Detector

The standard detector used for NDIR measurements is an opto pneumatic detector. It con-

sists of two chambers, lled with gas and

connected via a small channel (Fig. 3-2).

The gas lling is chosen to provide maximum

overlap with the gas to be measured. Usually the gas to be measured itself is used.

A micro ow sensor, placed in the connecting channel, measures the ow between both

chambers. As light is absorbed by the gas in the absorption chamber the gas temperature changes resulting in an increase of volume of

the heated gas. The gas expands and ows

towards the compensation chamber. When the chopper closes, no light is absorbed and thus temperature and volume of the gas in the

absorption chamber decrease. Gas ows back

from the (now) hotter compensation chamber into the absorption chamber. The absolute

ow, detected by the micro ow sensor, in

both cases is therefore a measure for the light absorbed while the chopper is open. This directly correlates to the amount of light not absorbed in the analysis cell and therefore to the concentration of the measurement gas inside the analysis cell.

Using the divided analysis cell and the IntrinzX chopper wheel enables simultaneous detection of measurement and reference signal.

X-STREAM XE

Absorption chamber

Window

Compensation chamber

Fill nozzle

Connecting channel

with

micro ow detector

Fig. 3-2: Gas Detector Design Principle

Measuring Principles

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3.1 Infrared (IR) and Ultraviolet (UV) Measurement

3.1.3 Technical Implementation

Instruction Manual

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The radiation emitted by an IR or UV/EDL source passes an adaptor cell, widening the

beam to completely ll out the analysis cell´s

diameter. At the opposite side of the cell, another adaptor cell is installed to reduce the beam to the diameter of the opening in the chopper.

The detectors are installed at the rear side of the chopper.

As pyrodetectors are not as

frequency selective as gas detectors, an ad-

ditional lter has to be installed when using

pyrodetectors, limiting the bandwidth of radiation passing the chopper.

11 10

1 UV source 2 Adaptor cell 3 Analysis cell (internal view) 4 Filter cell 5 UV detector 6 Gas detector

Fig. 3-3: Photometer Assembly Principle

7 IR detector electronics 8 Pyro detector (alternatively) 9 Temperature sensor 10 Filter for pyro detector assembly 11 Chopper 12 Chopper electronics 13 IR source 14 EDL

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3.2 Oxygen Measurement

X-STREAM XE

3.2 Oxygen Measurement

Three different principles are used for measuring oxygen concentrations. The principle

used in your specic instrument is given by the

channel code (sample gas designator) on the nameplate label ( gure on page 2-22):

pO2 = paramagnetic sensor eO2 = electrochemical sensor tO2 = trace oxygen sensor

3.2.1 Paramagnetic Measurement

This oxygen measurement principle is based on the paramagnetic characteristic of oxygen molecules:

Two cavernous glass spheres lled with nitrogen are arranged in a dumb¬bell conguration.

This dumbbell with a platinum wire is mounted rotatable inside a strong inhomogeneous ma-

gnetic eld. A small mirror is xed on the front side of the dumbbell, which reects light from a

light source towards two photo detectors (Fig. 3-4). The dumbbell is surrounded by another platinum wire, which is bent like a coil around each glass sphere. It generates a magnetic

eld when supplied by an electric current to control the dumpbell´s deection.

Oxygen molecules within the sample gas

are attracted be the magnetic eld due to

their paramagnetic characteristic and will be concentrated into the area of the highest

eld strength in the inhomogeneous eld. In doing so they displace the nitrogen lled

glass spheres. This generates a torque on the dumbbell which depends on the oxygen concentration in the sample gas. The dumbbell

starts to rotate and the light reected by the

mirror on the dumbbell generates a signal on one of the two photo detectors. Initiated by the

photo detector signal a preamplier drives a

current through the platinum wire surrounding the dumbbell. This generates a compensating

magnetic eld and rotates the dumbbell back

into its zero position. The compensating current gives a direct and linear measure for the oxygen concentration within the sample gas.

The paramagnetic oxygen detector also con¬tains a temperature sensor for compensation and a heating ele¬ment to keep the detector at approx. 55 °C.

Several variations are available including corrosion resistant and/or solvent resistant versions.

4 1 5 3 6 8

1 Permanent magnet 2 Platinum wire 3 Mirror 4 Glass ball 5 Loop

Fig. 3-4: Paramagnetic Oxygen Sensor -

Assembly Principle

11 7 9

6 Photodetector 7 Light source

8 Preamplier

9 Display 10 Gas inlet 11 Gas outlet

Measuring Principles

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3.2 Oxygen Measurement

3.2.1.1 Cross Interferences by Accompanying Gases

The Table below by selected gases shows, how accompanying gases interfere the paramagnetic oxygen measurement. A comprehensive list of gases and their cross interferences is given in the standard IEC 61207-3.

If the concentration of such gases is already given at time of enquiry, this interference may be taken into account during factory startup and thus minimized (option).

Instruction Manual

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05/2017

100 % Gas Zero-level effect % O

Acetylene C2H Ammonia NH

-0.29

-0.20

Argon Ar -0.25 Bromine Br

1.2-Butadiene C4H

1.3-Butadiene C4H n-Butane C4H i-Butene C4H cis 2-Butene C4H trans 2-Butene C4H Carbon dioxide CO

-2.02

-0.49

-1.26

-1.30

-0.89

-0.92

-0.30 Carbon monoxide CO +0.07 Chlorine Cl Cyclohexane C6H Ethane C2H Ethylene C2H

-0.94

-1.84

-0.49

-0.22 Helium He +0.33 n-Heptane C7H n-Hexane C6H Hydrogen H

-2.40

-2.02

+0.26

Hydrogen bromide HBr -0.76

Note!

This data is based on a temperature of 60 °C (140 °F).

100 % Gas Zero-level effect % O

Hydrogen chloride HCl -0.35 Hydrogen ouride HF +0.10 Hydrogen iodide HI -1.19 Hydrogen sulphide H2S -0.44 Iodine I -2.40 Isobutane C4H

-1.30 Krypton Kr -0.55 Laughing gas N2O -0.23 Methane CH

-0.18 Neon Ne +0.17 Nitric acid HNO Nitrogen N Nitrogen dioxide NO

+0.43

±0.00

+20.00 Nitrous oxide NO +42.94 n-Octane C8H n-Pentane C5H Oxygen O Propane C3H Propylene C3H

-2.78

-1.68

100

-0.87

-0.64 Vinyl chloride C2H3Cl -0.77 Water H2O -0.03 Xenon Xe -1.05

Tab. 3-1: Paramagnetic Sensor -

Cross Interferences (Examples)

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3.2 Oxygen Measurement

3.2.1.2 Applications With Corrosive or Solvent Components

Special paramagnetic oxygen sensors are available to measure gases, containing corrosive or solvent components.

See below Tables for further information on approved solvents, and medium affected materials.

X-STREAM XE

Approved solvents

(inclusive accompanying

disturbing components)

Acetic acid Heptane

Acetone Hexane

Acrolein Isopropanol Aromatics Methanol Butadiene Methyl acetate

Butadiene-1 Methylethylketone Butadiene-2 Methylmercaptane

C2H2 Propadiene C4H8 Propene

C5 Propylen oxide

C6H12 Propylene

CH3COOH Toluene

Cyclohexane Vinyl acetate

Cyclohexanon Vinyl acetylene

Dimethyl sulde Xylene

Ethanol i-Butyr acid Ethene i-Butyr aldehyd

Ethylene i-Propylformiat

Ethylene oxid n-Butane

Conditions

• Single or summarized concentrations

do not exceed 20 %

• Gas passes gas cooler prior to entering the analyzer

• Gas dew point at max. 5 °C

Solvent resistant sensors have limited

lifetime and are consumables!

Tab. 3-2: Solvent Resistant Paramagnetic Sensor -

Approved Solvents

Measuring cell type

Component

Case SS 1.4571

Pole nucleus Tantalum

Mirror Glass, Rhodium

Tension band Platinum alloy

Loop wire Platinum alloy

Supporting

wire Cylinder Glass Cylinder

bushing

Dumbbell Glass

Taring Epoxy Epoxy

Compound

material

Seals Kalrez Kalrez

Solvent resistant

Plumb bob, Epoxy Epoxy

Corrosion resistant

(Chlorine, dry)

Platinum alloy

Ceramics

Tab. 3-3: Paramagnetic Sensor - Medium Affected

Materials

Another variation of measuring cell has the following materials in contact with the sample:

A316 stainless steel, viton ‘O’ ring, borosilicate glass, electroless nickel, platinum, platinum/ iridium alloy.

For the solvent resistant version of this cell, the ‘O’ ring made of viton is replaced by a chemraz® model.

Measuring Principles

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3.2 Oxygen Measurement

3.2.2 Electrochemical Measurement

Instruction Manual

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This sensor utilizes the principle of galvanic cells, Fig. 3-5 shows the design.

For storage and handling instructions, and safety data Chapter 7 “Maintenance”.

12 12

The electrochemical oxygen (eO2) sensor‘s key components are a lead anode (1) and a gold cathode (2) surrounded by a special acid electrolyte (3).

The gold electrode is integrated solid with the

membrane,which is a non-porous uororesin

membrane. Oxygen which barely diffuses through the membrane is electrochemically reduced on the gold electrode.

The temperature compensating thermistor and adjusting resistance are connected between the cathode and anode. The current generated by oxygen reduction is converted into a voltage by these resistances.

The value of the current owing to the thermistor and resistance varies in proportion to the oxygen concentration of the measuring gases which contact the membrane. Therefore, the voltage at the terminal of the resistances is used for the sensor output to measure the oxygen concentration.

1 Anode (lead) 2 Cathode (Gold) 3 Electrolyte solution 4 Membrane 5 Thermistor 6 Resistance 7 Titanum wire 8 O-Ring 9 Pressure compensating volumes 10 Lid 11 Electrical connections 12 Lids 13 Current collector

Fig. 3-5: Electrochemical O2 Sensor -

Design Principle

Sensor inserted

into holder

Fig. 3-6: Electrochemical O2 Sensor - Assembly

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X-STREAM XE

3.2 Oxygen Measurement

(red) (black)

Thermistor (5)

(-)

Gold

cathode (2)

Electrochemical reaction:

Fig. 3-7: Electrochemical Reaction of Oxygen Sensor

In consequence of its design the sensor‘s lifetime is limited and depends on theoretical designed life and oxygen concentration. The sensor output can be taken as a rough criterion for end of lifetime: The sensor is weared when the output in atmosphere is below 70 % of the initial output. The period till this can be calculated by

(11)

Resistance (6)

(+)

Lead

anode (1)

Electrolyte (3)

Measuring Principles

Lifetime =

designed life (% hours)

O2 concentration (%)

The sensor‘s designed lifetime under constant conditions of ambient temperature 20 °C is approx. 900,000 % hrs.

The lifetime at 21 % oxygen is then calculated to approx. 42,857 hrs, corresponding to

approx. 5 years.

An indicator for end of lifetime is a reduced output signal. In this case the sensor must be replaced to ensure accurate measurements ( Chapter 7 “Maintenance”).

Note!

The given values are for reference only! The expected lifetime is greatly affected by the temperature of the environment in which the sensor is used or stored (operation at 40 °C halves lifetime).

Increases or decreases in atmospheric pressure have the same effect as increasing or decreasing oxygen concentrations.

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X-STREAM XE

3.2.2.1 Special Hints

Instruction Manual

HASXEE-IM-HS

05/2017

3.2 Oxygen Measurement

Due to the measuring principle the electrochemical oxygen cell requires a minimum internal consumption of oxygen (residual humidity avoids drying of the cell). Supplying cells continuously with dry sample gas of low grade oxygen concentration or with sample gas free of oxygen could result in a reversible detuning of O2 sensitivity. The output signal will become unstable, but response time remains constant.

For correct measurement the cell needs continuously to be supplied with concentrations of at least 0.1 Vol.-% O2 . We recommend to use the cells if need be in alternating mode, means to purge cells with conditioned (not dried, but dust removed) ambient air when measurement pauses.

If it is necessary to interrupt the oxygen supply for several hours or days, the cell has to regenerate (supply cell for about one day with

ambient air). Temporarily ushing with nitrogen

(N2) for less than 1 h (e.g. for analyzer zero-

ing purpose) has no inuence on measuring

characteristics.

This sensor is not suitable for

•

anorganic gases containing

chlorene or ourene!

• sample gases containing

• FCHCs

• ozone,

• H2S (> 100 ppm)

• NH3 (> 20 ppm).

For a number of other interfering gases Tab. 3-4.

Gas

Carbon monoxide CO 0-100 % no effect

Carbon dioxide CO20-100 % no effect

Nitric monoxide NO 0-1 % no effect

Nitrogen dioxide NO

Sulfur dioxide SO

Hydrogen sulde H2S 0-3 % no effect

Ammonia NH

Hydrogen H

Hydrogen chloride HCl 0-3 % 1 %

Benzene C6H60-100ppm 1 %

Methane CH40-100 % no effect

Concen-

tration

0-1 % no effect

0-3 % 3 %

0-3 % 1 %

0-100 % no effect

Interference

Level

Note for XEGP analyzers!

If the XEGP analyzer features thermostate control, the eO2 sensor block is installed at the XEGP rear panel.

Cover

Fig. 3-8: Cover for EO2 Sensor Block At Rear Panel

Tab. 3-4: Electrochemical Oxygen Measurement -

Cross Interference by Accompanying Gases

Emerson Process Management GmbH & Co. OHG3-10

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Instruction Manual

4OH−+2Pb → 2P bO +2H2O +4e

−

4e−+2H2O + O2→ 4OH

−

2Pb+ O2→ 2P bO

O + O2→ 4OH

O + 4e

→ 2PbO

HASXEE-IM-HS 05/2017

3.2 Oxygen Measurement

3.2.3 Electrochemical Trace Oxygen Measurement

For trace oxygen measurements (tO2)another electrochemical sensor technology is used, see Fig. 3-9. The sensor is a self contained disposable unit which requires no maintenance. The sensor utilizes the principle of electrochemical reaction to generate a signal proportional to the oxygen concentration in the sample.

This ow of electrons constitutes an electric

current which is directly proportional to the concentration of oxygen present in the sample. In the absence of oxygen, no oxidation/ reduction reaction occurs and therefore no current is generated. This allows the sensor

Gas Permeable Membrane

Thin Electrolyte Layer

Electrolyte

Anode

Oxygen

Cathode

to have an absolute zero.

X-STREAM XE

Measuring Principles

Fig. 3-9: Trace Oxygen Sensor Design Principle

The sensor consists of a cathode and anode which are in contact via a suitable electrolyte. The sensor has a gas permeable membrane which covers the cathode allowing gas to pass into the sensor while preventing liquid electrolyte from leaking out.

As the sample diffuses into the sensor, any oxygen present will dissolve in the electrolyte solution and migrate to the surface of the cathode. The oxygen is reduced at the cathode. Simultaneously, an oxidation reaction is occurring at the anode generating four

electrons. These electrons ow to the cathode

to reduce the oxygen. The representative half cell reactions are:

anode:

cathode:

in total:

Current Signal

Contact Plates

3.2.3.1 Special Hints

This sensor is a consumable and requires replacement periodically. (To determine if the sensor requires replacement, see the troubleshooting section of this manual)

Remaining lifetime counts down when the sensor is in contact with oxygen.

For above reasons, the analyzer is shipped with the sensor as extra item in a sealed bag!

The sensor must be installed before analyzer startup, according the instructions shipped with the sensor!

Always consult the separate instructions, shipped with the sensor, before intending to start calibrations! Violation may result in a damaged sensor!

Prolonged exposure of the sensor to air can cause extended start up time, reduction of

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Instruction Manual

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3.2 Oxygen Measurement

performance or damage to the sensor. Do not remove the sealing caps until all associated sample handling components are installed and the instrument is fully ready for installation.

After replacement purge gas paths with inert gas (nitrogen (N2) or sample gas as soon as possible to avoid prolonged exposure of the sensor to high concentrations of oxygen. The longer the sensor is exposed to air, the longer it will take for the sensor to recover to low ppm levels. When installing a new sensor or

starting the instrument for the rst time, it may

take as long as eight hours for the analyzer to purge down to the lowest operating range.

After initial startup or startup following a prolonged shutdown, the analyzer may require extended time to recover to the range of measurement. Commonly, this is caused by the introduction of ambient air into the sample and/or vent lines to the sensor. The presence

of higher than normal levels of oxygen at the sensor will cause the sensor electrolyte to become saturated with dissolved oxygen. When the instrument is placed in operation, the sensor must now consume all excess dissolved oxygen above the desired measuring level.

All analyzers with electrochemical tO2 cell have to be purged with inert gas (Nitrogen, N2) prior to disconnecting the gas lines! Then the gas

line ttings have to be closed for transport or

depositing the analyzer.

While handling the sensor, always consider the documentation provided together with the sensor, especially the information on the included material (safety data) in the attachment of the documentation!

Note for XEGP analyzers!

If the XEGP analyzer features a thermostate control, the tO2 sensor block is installed at the XEGP rear panel.

Cover

Fig. 3-10: Cover for TO2 Sensor Block At Rear Panel

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3.3 Thermal Conductivity Measurement

X-STREAM XE

Thermal conductivity is the property of a material that indicates its ability to conduct heat.

Thermal conductivity measurement primarily is used for measuring concentrations of hydrogen (H2) and helium (He). These gases are characterized by a specic thermal conducitivity, differing clearly from that of other gases ( Tab. 3-5).

Gas

Air N2/O Ammonia NH Argon Ar 189 Butane C4H Carbon Dioxide CO Carbon Monoxide CO 267 Chlorine Cl Helium He 1580 Hydrochloric Acid HCl 151 Hydrogen H Krypton Kr 185 Methane CH Neon Ne 516 Nitrogen N Oxygen O Radon Rn 26 Sulfur Dioxide SO Xenon Xe 60

l in mW / cm K

50 °C

276 270

102 184

371

1910

96,8

277 283

113

The bridge output signal (UBr) is adjusted to

zero when in rest position (no gas ow). By

default the reference gas path is closed (not

own through by gas). When sample gas is

supplied, the sensors in the sample gas path are cooled due to the thermal conductivity effect: The gas absorbs heat and carries it away from the sensors. This tunes the Wheatstone bridge and generates a signal proportional to the thermal conductivity.

Additional electronics linearizes and conditions this signal to provide usefull measuring values.Depending on application, it is possible to supply a reference gas to the bridge‘s reference side. The output signal in this case is proportional to the difference of the thermal conductivities of sample and reference gas.

Measuring Principles

Tab. 3-5: Examples of Specic Thermal Conducti-

vities

3.3.1 Principle of Operation

A Wheatstone bridge, made of 4 temperature sensitive resistors (PT 100 sensors), is sur-

Sample

Reference

rounded by gas in a way, that each 2 sensors are located in the sample gas stream (RS) and in a reference gas stream (RR), Fig. 3-11.

Emerson Process Management GmbH & Co. OHG 3-13

Fig. 3-11: Wheatstone Bridge

Page 88

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3.3 Thermal Conductivity Measurement

3.3.2 Technical Implementation

A block made of stainless steel contains two gas paths. Both, the volume of the block and the mass of the sensors have been minimized in order to obtain short response times.

To suppress inuences by changing ambient

temperature the block is thermostatted and isolated against ambience.

The sensors are fully glass packaged to withstand aggressive gases.

Instruction Manual

HASXEE-IM-HS

05/2017

1 Sensor 2 Sample gas inlet and outlet 3 Reference side inlet and outlet 4 Metal block 5 Heater for thermostatting

4 5

1 3 4 52

1 Internal gas path 2 Sample gas inlet and outlet 3 PT 100 sensors 4 Metal block 5 Lid

Fig. 3-12: TC Cell, Exterior View,

Thermal Isolation Removed

Fig. 3-13: TC Cell, Sectional View

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3.4 Trace Moisture Measurement

X-STREAM XE

The Trace Moisture sensor is a robust 2-wire-transmitter, using dew point impedance measurement for continuous moisture measurements in gases and gas mixtures. It makes dew point measurement as accessible as temperature and pressure.

Fig. 3-14: Trace Moisture Sensor Assembly

This type of sensor is used, if dew point measurements are required.

Measuring Principles

1 Sensor 2 Sensor block 3 Gas connections

Some denitions:

The dew point is the temperature in Deg C to which a given parcel of humid air must be cooled, at constant barometric pressure, for water vapor to condense into water. The condensed water is called dew. The dew point is the saturation temperature.

Humidity is the amount of water vapor in the

air. Relative humidity is dened as the ratio

of the partial pressure of water vapor (in a gaseous mixture of air and water vapor) to the saturated vapor pressure of water at a given temperature.

The dew point is associated with relative humidity. A high relative humidity indicates that the dew point is closer to the current air temperature. Relative humidity of 100 % indicates the dew point is equal to the current temperature and the air is maximally saturated with water. If the dew point remains constant and temperature increases, relative humidity will decrease.

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3.4 Trace Moisture Measurement

How does dew point measurement connect with trace moisture measurement?

The lower the dew point of a gas, the less is the content of moisture within that gas.

dp / °C

-100 0.025

-98 0.038

-96 0.057

-94 0.084

-92 0.123

-90 0.179

-88 0.258

-86 0.368

-84 0.520

-82 0.729

-80 1.01

-78 1.40

-76 1.91

-74 2.59

-72 3.49

-70 4.68

-68 6.22

-66 8.22

-64 10.8

-62 14.1

-60 18.3

-58 23.5

-56 30.2

-54 38.5

-52 48.9

-50 61.8

-48 77.6

-46 97.1

Water / ppm

dp / °C

-44 121

-42 150

-40 185

-38 228

-36 279

-34 340

-32 413

-30 501

-28 604

-26 726

-24 870

-22 1039

-20 1237

-18 1468

-16 1737

-14 2048

-12 2409

-10 2826

-8 3306

-6 3856

-4 4487

-2 5208

10 12 113

Water / ppm

0 6030

2 6964

4 8025

6 9226

8 10 583

Instruction Manual

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3.4.1 Special Operating Conditions

The sensor is completely calibrated with all

calibration data stored in its ash memory and

does not require recalibration:

• If the sensor is included into a calibration procedure, it might end up with a wrong calibration and unusable sensor. Therefore the analyzer's trace moisture measurement

channel is congured to be excluded from

autocalibration procedures, by default calibrating all channels. This exclusion is done by factory setup and cannot be changed.

•

For proper measurement results we recommend to exchange the sensor regularly after 12 months of operation.

Tab. 3-6: Dew Points and Water Content (at 1013 hPa)

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3.4 Trace Moisture Measurement

3.4.2 Accompanying Gases

Several gases may affect the sensor, so consider the following limits:

X-STREAM XE

Component

Acetylene (Ethyne) C2H2

Ammonia NH3 1000 -20

Aromatic alcohols no limit no limit

Benzene C6H6 no limit no limit

Bromine Br2 no limit -20

Carbon dioxide CO2 no limit no limit

Carbon disulphide CS2 no limit no limit

Carbon monoxide CO no limit no limit

Carbon tetrachloride CCl4 no limit no limit

Carbon tetrauoride CF4 no limit -20

Chlorine Cl2 not permitted

Dichlorodiuoromethane CCl2F2 no limit -20

Ethane C2H6 no limit no limit

Ethylene (Ethene) C2H4 no limit no limit

Ethylene oxide CH4O not permitted

Exhaust gases no limit no limit

Fluorine F

Glycol (Ethane-1,2-diol) HOCH2CH2OH no limit no limit

Halogenated hydrocarbons Consult with Emerson

Hydrobromic acid HBr not permitted

Hydrochloric acid HCl not permitted

Hydrouoric acid HF 500 -20

Hydrogen peroxide H2O

Hydrogen sulphide H2S no limit 3 no limit

Mercury Hg not permitted 4

Methane CH4 no limit no limit

Methanoic acid HCOOH not permitted

Methanol CH3OH

Methylethyl glycol C4H11O no limit no limit

Natural gas no limit no limit

Nitric acid HNO

Nitrogen dioxide NO2 no limit -20

Nitrous oxide N2O no limit -20

Maximum Permitted

Concentration / ppm

-20

10 -20

no limit

10 -20

Maximum Permitted Dew-

point / °C

not permitted

Measuring Principles

Tab. 3-7: Limitations on Gases

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3.4 Trace Moisture Measurement

Component

Maximum Permitted

Concentration / ppm

Maximum Permitted Dew-

point / °C

Oxygen O2 no limit no limit

Ozone O

Perchloric acid HClO

not permitted

Phosgene COCl2 no limit -20

Propane C3H8 no limit no limit

Sodium hydroxide NaOH not permitted

Sulphur dioxide SO2 no limit 6 no limit

Sulphur hexauoride SF6 no limit no limit

Sulphur trioxide SO3 no limit -20

Sulphuric acid H2SO

10 -20

Toluene C6H5CH3 no limit no limit

Xylene C8H10 no limit no limit

Recommended sensor exchange after 6 months.

For renery catalytic reformer applications, consult with EMERSON.

Consult with EMERSON for extremely sour natural gas, >1 % H2S

Consider sacricial gold lter to remove mercury vapour – Consult with EMERSON.

Consult with EMERSON - for impedance type sensors, recommended concentration limit of Methanol <10%

of moisture concentration to be measured to ensure negligible interference effects.

At temperatures exceeding 50 °C (122 °F), the maximum concentration is 50 ppm.

The sensor should also be resistant to most organic acids, alcohols, ketones, aldehydes, esters and halogenated hydrocarbons, but will not be resistant to very strong alkalis. If in doubt, consult with EMERSON.

Tab. 3-7: Limitation on Gases (II)

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3.5 Hydrogen Sulde (H2S) Measurement

3.5

Hydrogen Sulde (H2S) Measurement

H2S sensors are electrochemical cells that operate in the amperometric mode. That is, they generate a current that is linearly proportional to the content of H2S in the sample gas.

2 3

X-STREAM XE

1 Working electrode 2 Reference electrode 3 Counter electrode

Working electrode:

Counter electrode:

Overall cell reaction:

Fig. 3-15: H2S Sensor Schematic and

Reaction Formulas

4 Wetting lters

5 Electrolyte reservoir 6 Gas diffusion barrier

The working electrode (also called the sensing electrode) is designed to optimize the oxidation

of Hydrogen Sulde. This electrode allows

the gas to come in contact with both electro catalyst and electrolyte to create a threephase interface of gas, liquid and solid.

The other two electrodes in the cell, the counter electrode and the reference electrode usually have a similar chemical composition to the working electrode.

All three electrodes are stacked parallel to each other, as illustrated in Fig. 3-15. Three metal strips connect each electrode to the three pins outside of the sensor body.

The cell electrolyte provides ionic electrical contact between the electrodes, usually with the aid of hydrophilic separators (labelled “wetting lters” in Fig. 3-15) to allow capillary

transport of the electrolyte which is usually sulfuric acid between 3 and 7 molarity.

A potentiostatic circuit maintains the potential

of the working electrode at a xed value with

respect to the reference electrode potential. The working electrode is the surface where

the electrochemical oxidation of H2S occurs. A high surface area catalyst is used to optimize the sensor performance, resulting in a high sensor capacitance: typically 50 mF to 200 mF.

The counter electrode balances the reaction of

the working electrode – if the working electrode

oxidises the gas, then the counter electrode must reduce some other molecule to generate an equivalent current, in the opposite sense.

The reference electrode anchors the working electrode potential to ensure that it is always working in the correct region of the currentvoltage curve. It is important that the reference electrode has a stable potential, keeping the working electrode at the right electrochemical potential to maintain a constant sensitivity, good linearity and minimum sensitivity to interfering gases.

The potentiostatic circuit ensures that the counter electrode is provided with as much current as it needs, also maintaining the wor-

king electrode at a xed potential, irrespective

of how hard it is working.

Measuring Principles

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3.5 Hydrogen Sulde (H2S) Measurement

Moisture and oxygen are needed in the sample gas for the electrochemical reactions to take place. If concentrations of above components are too low, the sensor's sensitivity decreases. Therefore a purge cycle with ambient air can be implemented by programming the internal PLC.

If this option has not been ordered, the customer is responsible to take care of regularly purging the sensor. See the separate documentation provided together with every sensor for information on how to properly setup such a procedure.

Instruction Manual

HASXEE-IM-HS

05/2017

3.5.1 Cross Interferences by Accompanying Gases

% Interference related to full scale (f. s.)

Interfering

Gas

CO 400 4 4 1

H2 400 0.2 1 0.25

SO2 20 20 18 10

NO2 10 -25 -30 -30

NO 50 10 2 3

Cl2 10 -12 -25 -25

C2H4 400 0.25 0.8 0.1

NH3 20 0.1 0.1 0.1

Tab. 3-8: Electrochemical H2S Measurement -

ppm

applied

Measurement range H2S

0 to 50 ppm 0 to 200 ppm 0 to 2000 ppm

Cross Interference by Accompanying Gases

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3.6 Measurement Specications

Sample gas components and measuring ranges (standard congurations)

In total, more than 60 gases are detectable, so the following table gives an overview only.

Consult with Emerson for gases / congurations not listed.

Not all data is applicable to all analyzer variations. The sample gas(es) and measuring ranges

for your specic analyzer are given by the order acknowledgement and on the analyzer's name

plate label.

Gas component Principle

Acetone Acetone Acetylene C2H Ammonia NH Argon Ar TCD 0–50 % 0–100 % 0–100 % Carbon dioxide CO Carbon monoxide CO IR 0–10 ppm 50–50 ppm 0–100 ppm 0–100 % Chlorine Cl Ethane C2H Ethanol Ethylene C2H Helium He TCD 0–10 % 0–20 % 0–100 % Hexane Hydrogen

Hydrogen Sulde H2S UV 0–2 % 0–4 % 0–10 % Hydrogen Sulde H2S IR 0–10 % 0–20 % 0–100 % Hydrogen Sulde H2S electrochem. 0–50 ppm – 0–2000 ppm

Methane CH Methanol n–Butane C4H Nitrogen dioxide Nitrogen monoxide NO IR 0–100 ppm 0–200 ppm 0–100 % Nitrous oxide N2O IR 0–100 ppm 0–200 ppm 0–100 % Oxygen O Oxygen O Oxygen, Trace O Propane C3H Propylene C3H Sulfur dioxide SO Sulfur dioxide SO Sulfur hexauoride SF Toluene Vinyl chloride C2H3Cl IR 0–1000 ppm 0–2000 ppm 0–2 % Water vapor

Water vapor, Trace

Dew point below ambient temperature

Tab. 3-9: Gas Components and Measuring Ranges, Examples

CH3COCH CH3COCH

UV 0–400 ppm 0–800 ppm 0–3 %

IR 0–500 ppm 0–1000 ppm 0–3 % IR 0–3 % 0–6 % 0–100 % IR 0–100 ppm 0–200 ppm 0–100 %

IR 0–5 ppm

UV 0–300 ppm 0–600 ppm 0–100 %

IR 0–1000 ppm 0–2000 ppm 0–100 %

C2H5OH IR 0–1000 ppm 0–2000 ppm 0–10 %

IR 0–400 ppm 0–800 ppm 0–100 %

IR 0–100 ppm 0–200 ppm 0–10 %

TCD 0–1 %

IR 0–100 ppm 0–200 ppm 0–100 %

C6H

CH3OH IR 0–1000 ppm 0–2000 ppm 0–10 %

IR 0–800 ppm 0–1600 ppm 0–100 %

UV 0–25 ppm 30–50 ppm 0–100 ppm 0–10 %

. 0–5 % – 0–25 %

paramagn. 0–1 % 0–2 % 0–100 %

electrochem. 0–10 ppm – 0–10 000 ppm

IR 0–1000 ppm 0–2000 ppm 0–100 % IR 0–400 ppm 0–800 ppm 0–100 %

UV 0–25 ppm 30–50 ppm 0–130 ppm 0–1 %

IR 0–1 % 0–2 % 0–100 % IR 0–5 ppm

UV 0–300 ppm 0–600 ppm 0–5 %

C7H

H2O IR 0–1000 ppm 0–2000 ppm 0–8 %

H2O capacitive 0–100 ppm – 0–3000 ppm

Higher concentrations decrease sensor lifetime

Special Specs

or Conditions

Lowest

Range

Daily zero calibration required for ranges below lowest standard specs range

Standard Specs

(see Tab. 3-10 – 3-13)

Lowest

Range

Enhanced Specs

(see Tab. 3-10 & 3-13)

Lowest

Highest

Range

0–50 ppm 0–100 ppm 0–100 %

0–2 %

0–100 %

0–20 ppm 0–50 ppm 0–2 %

Special "renery" application with 0–1% H2 in N2

available

see Tab. 3-12

standard specs only

Range

2 6

Measuring Principles

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3.6 Measurement Specications

Standard and Enhanced Performance Specications

NDIR/UV/VIS Thermal Conductivity (TCD)

Standard Spec Enhanced Spec Standard Spec Enhanced Spec

1 4

≤ 1 % ≤ 0.5 % ≤ 1 % ≤ 0.5 %

≤ 1 % ≤ 1 %

1 4

≤ 2 % per week ≤ 1 % per week ≤ 2 % per week ≤ 1 % per week

≤ 0.5 % per week ≤ 1 % per month ≤ 1 % per week

≤ 0.5 % ≤ 0.5 %

1 4

8 14

1 13

6 12

≤ 1500 hPa abs. (≤ 7 psig) ≤ 1500 hPa abs. (≤ 7 psig)

0 (-20) to +50 °C (32 (-4) to 122 °F) 0 (-20) to +50 °C (32 (-4) to 122 °F)

none / 60 °C (140 °F) 5 none / 60 °C (140 °F) 10

≤ 0.5 % ≤ 1 %

≤ 0.01 % per hPa ≤ 0.01 % per hPa

15 to 50 minutes

15 s ≤ t90 ≤ 30 s

approx. 50 minutes

Note! 1 psi = 68.95 hPa

Depending on measuring range

Pressure sensor is required

Limited to atmospheric if internal sample pump

Temperatures below 0 °C (-4 °F) with thermostat control only

Thermost. controlled sensor: 75 °C (167 °F)

Flow variation within ± 0.1 l/min

Optional thermostatically controlled box with temperature 60 °C (140 °F), not XEGK

Temperature variation: ≤ 10 K per hour

Special conditions apply to model XEFD

Detection limit (4 σ)

Linearity

1 4

Zero-point drift Span (sensitivity) drift Repeatability Response time (t90) 3 4 s ≤ t90 ≤ 7 s

Permissible gas ow 0.2–1.5 l/min. 0.2–1.5 l/min. (+ 0.1 l/min) Inuence of gas ow

Maximum gas pressure

Inuence of pressure

– At constant temperature ≤ 0.10 % per hPa ≤ 0.10 % per hPa – With pressure compensation

Permissible ambient temperature

Inuence of temperature

(at constant pressure)

– On zero point ≤ 1 % per 10 K ≤ 0.5 % per 10 K ≤ 1 % per 10 K ≤ 0.5 % per 10 K – On span (sensitivity) ≤ 5 % (0 to +50 °C / 32 to 122 °F) ≤ 1 % per 10 K

Thermostat control Warm-up time

Related to full scale

Related to measuring value

From gas analyzer inlet at gas ow of 1.0 l/min

(electronic damping = 0 s)

Constant pressure and temperature

Dependent on integrated photometer bench

HASXEE-IM-HS

05/2017

Tab. 3-10: IR, UV, VIS, TCD - Standard and Enhanced Measurement Performance Specications

Trace Moisture (tH2O)

Measurement range -100 to -10 °C dew point (0–100…3000 ppm) Measurement accuracy ±2 °C dew point Repeatability 0.5 °C dew point Response time (t95) 5 min (dry to wet) Operating humidity 0 to 100 % r.h. Sensor operating temperature -40 to +60 °C Temperature coefcient Temperature compensated across operating temperature range

Operating pressure

Flow rate

If installed in series to another measurement system, e. g. IR channel

Special conditions apply to model XEFD

Depending on sequential measurement system, see analyzer specication

max. 1500 hPa abs / 7 psig

Depending on sequential measurement system, see analyzer specication

0.2 to 1.5 Nl/min

Note! 1 psi = 68.95 hPa

Note! Do not calibrate, see special calibration notes in the measurement description!

Tab. 3-11: Trace Moisture - Standard Measurement Performance Specications

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3.6 Measurement Specications

Oxygen Sensors

Paramagnetic (pO2) Electrochemical (eO2) Trace (tO2)

Standard Spec Enhanced Spec

1 4

≤ 1 % ≤ 0.5 % ≤ 1 % ≤ 1 %

≤ 1 % ≤ 1 % ≤ 1 %

≤ 2 % per week ≤ 1 % per week ≤ 2 % per week ≤ 1 % per week

1 4

≤ 1 % per week ≤ 0.5 % per week ≤ 1 % per week ≤ 1 % per week

≤ 0.5 % ≤ 1 % ≤ 1 %

7 14

1 12

≤ 1500 hPa abs. (≤ 7 psig)

< 5 s approx. 12 s 20 to 80 s

≤ 2 %

≤ 1500 hPa abs. (≤ 7 psig) ≤ 1500 hPa abs. (≤ 7 psig)

≤ 2 % ≤ 2 %

≤ 0.01 % per hPa ≤ 0.01 % per hPa ≤ 0.01 % per hPa

Range 0–10…200 ppm: ≤ 5 % (5 to 45 °C / 41 to 113 °F)

Pressure sensor is required

Limited to atmospheric if internal sample pump

Temperatures below 0 °C (-4 °F) with thermostat control only

Thermost. controlled sensor: 35 °C (95 °F)

For ranges 0–5…100 % and ow 0.5…1.5 l/min

Optional thermostatically controlled sensor with temperature 60 °C (140 °F)

Temperature variation: ≤ 10 K per hour

No sudden pressure surge allowed

Special conditions apply to model XEFD

Note! 1 psi = 68.95 hPa

Detection limit (4 σ)

Linearity

1 4

Zero-point drift Span (sensitivity) drift Repeatability Response time (t90)

Permissible gas ow 0.2–1.5 l/min 0.2–1.5 l/min. 0.2–1.5 l/min. Inuence of gas ow 1

Maximum gas pressure

Inuence of pressure

– At constant temperature ≤ 0.10 % per hPa ≤ 0.10 % per hPa ≤ 0.10 % per hPa – With pressure compensation

Permissible ambient temperature 80(-20) to +50 °C (32 (4) to 122 °F) 5 to +45 °C (41 to 113 °F) 5 to +45 °C (41 to 113 °F)

Inuence of temperature

(at constant pressure)

– On zero point ≤ 1 % per 10 K ≤ 0.5 % per 10 K ≤ 1 % per 10 K ≤ 1 % per 10 K – On span (sensitivity) ≤ 1 % per 10 K ≤ 1 % per 10 K ≤ 1 % per 10 K

Thermostat control 60 °C (140 °F) 11 none none Warm-up time Approx. 50 minutes - Approx. 50 minutes

Related to full scale

Related to measuring value

From gas analyzer inlet at gas ow of 1.0 l/min

(electronic damping = 0 s)

Constant pressure and temperature

Note! Take care of the tO2 sensor‘s documentation, providing important calibration instructions!

Tab. 3-12: Oxygen - Standard and Enhanced Measurement Performance Specications

Measuring Principles

Hydrogen Sulde (H2S)

Measurement range (sensor dependent) 0 to 50 ppm 0 to 200 ppm 0 to 2000 ppm Overgas limit 200 ppm 500 ppm 10,000 ppm Detection limit Repeatability

Drift

< 0.2 %

< 2 %

< 1 % per month Response time (t90) < 35 s Operating life > 24 months Sensor operating temperature -30 to 50 °C

Gas pressure range

800 to 1200 hPa

(-3.1 to 2.7 psig) Gas humidity range (rel. humidity) 15 to 90 % Thermostat control none

Related to full scale

Note! These sensors require oxygen and moisture to work properly within given specications!

Take care of the separate documentation accompanying the sensors!

Tab. 3-13: H2S - Standard Measurement Performance Specications

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3.6 Measurement Specications

Special Performance Specications for Gas Purity Measurements (ULCO & ULCO2)

0–10…< 50 ppm CO

Detection limit (4 σ)

Linearity Zero-point drift

1 2

1 2 3

Span (sensitivity) drift Repeatability

1 2

Response time (t90)

Permissible gas ow 0.2–1.5 l/min. Inuence of gas ow

Maximum gas pressure

Inuence of pressure

– At constant temperature ≤ 0.1 % per hPa – With pressure compensation

Permissible ambient temperature +15 to +35 °C (59 to 95 °F) +5 to +40 °C (41 to 104 °F)

Inuence of temperature 6

(at constant pressure)

– On zero point < 2 % per 10 K resp. < 0.2 ppm per 10 K – On span (sensitivity) < 2 % per 10 K resp. < 0.2 ppm per 10 K

Thermostat control none 60 °C (140 °F)

Related to full scale

Constant pressure and temperature

Within 24 h; daily zero calibration requested

0–5…< 50 ppm CO

1 2

< 2 % < 1 %

< 2 % resp. < 0.2 ppm

1 2 4

< 2 % resp. < 0.2 ppm < 2 % resp. < 0.2 ppm 9

1 2

10 11

≤ 1500 hPa abs. (≤ 7 psig)

< 10 s

< 2%

≤ 0.01 % per hPa

Note! 1 psi = 68.95 hPa

Within 24 h; daily span calibration recommended

Related to measuring value

Temperature variation: ≤ 10 K per hour

From gas analyzer inlet at gas ow of 1.0 l/min

Barometric pressure sensor is required

Whichever value is higher

Limited to atmospheric if internal sample pump

Special conditions apply to model XEFD

05/2017

Tab. 3-14: Special Performance Specications for Gas Purity Measurements (Low Ranges)

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3.6 Measurement Specications

Special Performance Specications for Gas Purity Measurements (Suppressed Ranges)

Detection limit (4 σ)

Linearity

1 2

Zero-point drift Span (sensitivity) drift Repeatability Response time (t90) 4 ≤ 30 s

Permissible gas ow dened by constant pressure at inlet

Permissible gas pressure 1300 hPa (4.4 psig) – 1700 hPa (10.1 psig) Permissible gas pressure variation

Inuence of ambient pressure change

from 800 to 1100 hPa at constant temperature with pressure compensation 1

Permissible ambient temperature +15 to +35 °C (59 to 95 °F)

Inuence of temperature

(at constant pressure)

– On zero point ≤ 0.5 % per 10 K – On span (sensitivity)

Thermostat control 60 °C (140 °F)

Warm-up time approx. 50 minutes Purge gas (N2) ow approx. 0.1–0.2 l/min

Related to suppressed range (98–100 %)

Constant pressure and temperature

Daily zero and span calibration requested

1 2

1 2 3

1 2

1 2 3

1 6

Switching from absolute to suppressed range requires purge time of > 240 s

Sample gas pressure sensor mandatory

98–100 % CO

≤ 2 % ≤ 1 %

≤ 2 % per day

≤ 2 %

70 hPa (1 psig)

≤ 2 %

Note! 1 psi = 68.95 hPa

Temperature variation: ≤ 10 K per hour

Related to permissible ambient temp. range

Measuring Principles

Tab. 3-15: Special Performance Specications for Gas Purity Measurements (Suppressed Ranges)

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3.6 Measurement Specications

Note 1!

Not all data listed are applicable to all analyzer versions (e.g. 60 °C thermostatically controlled box is not available for electrochemical and trace oxygen, nor for 1⁄219 in instruments).

Note 2!

For NDIR/UV/VIS measurements, take into account that

• sample gas may diffuse or be released by leakages into the analyzer enclosure

•

if existent in the analyzer surroundings, the component to be measured may enter the enclosure.

Concentrations then may increase inside the enclosure. High concentrations of the component

to be measured inside the enclosure may inuence the measurement by unintended absorption,

which could cause drift of the measurement. A remedy for this issue is to purge the housing with gas not containing the component of interest.

All performance data are veried during the manufacturing process for each unit by the following

tests:

• Linearization and sensitivity test

• Long term drift stability test

• Climate chamber test

• Cross interference test (if applicable)

Emerson Process Management GmbH & Co. OHG3-26