Thermo Fisher EPM-manual-1405DF TEOM 1405-DF: Dichotomous Ambient Particulate Monitor with FDMS Option

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®®

TEOMTEOM

TEOM

TEOMTEOM

Dichotomous Ambient Particulate MonitorDichotomous Ambient Particulate Monitor

Dichotomous Ambient Particulate Monitor

Dichotomous Ambient Particulate MonitorDichotomous Ambient Particulate Monitor

with FDMSwith FDMS

with FDMS

with FDMSwith FDMS

42-010815 Revision A.003 16Sep2009

®®

1405-DF: 1405-DF:

1405-DF:

1405-DF: 1405-DF:

®®

Option Option

Option

Option Option

This documentation contains trade secrets and confidential information proprietary to Thermo Fisher Scientific. The software supplied with the instrumentation, documentation and any information contained therein may not be used, duplicated or disclosed to anyone, in whole or in part, other than as authorized in a fully executed Thermo Fisher Scientific End User License Agreement or with the express written permission of Thermo Fisher Scientific.

TEOM

®,

and FDMS® are registered trademarks of Thermo Fisher Scientific. Other trademarks are the property

of their respective holders.

Mention of specific product names (other than Thermo Fisher Scientific products) in this manual does not constitute an endorsement or recommendation by Thermo Fisher Scientific of that equipment.

FEM StatementFEM Statement

FEM Statement

FEM StatementFEM Statement

US EPA Federal Equivalent Method Designation for PM2.5 Sampling

"Thermo Scientific TEOM® 1405-DF Dichotomous Ambient Particulate Monitor with FDMS ®," configured for dual filter sampling of fine (PM2.5) and coarse particles using the US EPA PM10 inlet specified in 40 CFR 50 Appendix L, Figs. L-2 thru L-19 and a virtual impactor, with a total flow rate of 16.67 L/min, fine sample flow of 3 L/min, and coarse sample flow rate of 1.67 L/min, and operating with firmware version 1.50 and later, operated with or without external enclosures, and operated in accordance with the Thermo Scientific TEOM 1405-DF Dichotomous Ambient Particulate Monitor Instruction Manual.

Federal Register: Vol. 74, page 28696, 06/17/09

arrantyarranty

arranty

arrantyarranty

Seller warrants that the Products will operate substantially in conformance with Seller’s published specifications, when subjected to normal, proper and intended usage by properly trained personnel, for 12 months from date of installation or 13 months from date of shipment, whichever is less (the “Warranty Period”). Seller agrees during the Warranty Period, provided it is promptly notified in writing upon the discovery of any defect and further provided that all costs of returning the defective Products to Seller are pre-paid by Buyer, to repair or replace, at Seller’s option, defective Products so as to cause the same to operate in substantial conformance with said specifications. Replacement parts may be new or refurbished, at the election of Seller. All replaced parts shall become the property of Seller. Shipment to Buyer of repaired or replacement Products shall be made in accordance with the provisions of Section 5 of the Terms and Conditions of Sale agreement. Lamps, fuses, bulbs and other expendable items, including the dryers, are expressly excluded from the warranty under Section 9 of the Terms and Conditions of Sale agreement. Seller’s sole liability with respect to equipment, materials, parts or software furnished to Seller by third party suppliers shall be limited to the assignment by Seller to Buyer of any such third party supplier’s warranty, to the extent the same is assignable. In no event shall Seller have any obligation to make repairs, replacements or corrections required, in whole or in part, as the result of (i) normal wear and tear, (ii) accident, disaster or event of force majeure, (iii) misuse, fault or negligence of or by Buyer, (iv) use of the Products in a manner for which they were not designed, (v) causes external to the Products such as, but not limited to, power failure or electrical power surges, (vi) improper storage of the Products or (vii) use of the Products in combination with equipment or software not supplied by Seller. If Seller determines that Products for which Buyer has requested warranty services are not covered by the warranty hereunder, Buyer shall pay or reimburse Seller for all costs of investigating and responding to such request at Seller’s then prevailing time and materials rates. If Seller provides repair services or replacement parts that are not covered by the warranty provided in Section 9 of the Terms and Conditions of Sale agreement., Buyer shall pay Seller therefore at Seller’s then prevailing time and materials rates. With respect to spare parts, the above-referenced warranty applies, however, such warranty is limited to ninety (90) days from the date of shipment.

ANY INSTALLATION, MAINTENANCE, REPAIR, SERVICE, RELOCATION OR ALTERATION TO OR OF, OR OTHER TAMPERING WITH, THE PRODUCTS PERFORMED BY ANY PERSON OR ENTITY OTHER THAN SELLER WITHOUT SELLER’S PRIOR WRITTEN APPROVAL, OR ANY USE OF REPLACEMENT PARTS NOT SUPPLIED BY SELLER, SHALL IMMEDIATELY VOID AND CANCEL ALL WARRANTIES WITH RESPECT TO THE AFFECTED PRODUCTS. THE OBLIGATIONS CREATED BY THIS SECTION TO REPAIR OR REPLACE A DEFECTIVE PRODUCT SHALL BE THE SOLE REMEDY OF BUYER IN THE EVENT OF A DEFECTIVE PRODUCT. EXCEPT AS EXPRESSLY PROVIDED IN THIS SECTION 9, SELLER DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS OR IMPLIED, ORAL OR WRITTEN, WITH RESPECT TO THE PRODUCTS, INCLUDING WITHOUT LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. SELLER DOES NOT WARRANT THAT THE PRODUCTS ARE ERROR-FREE OR WILL ACCOMPLISH ANY PARTICULAR RESULT.

Safety NoticeSafety Notice

Safety Notice

Safety NoticeSafety Notice

Repair of instrumentation manufactured by Thermo Scientific should only be attempted by properly trained service personnel, and should only be conducted in accordance with the Thermo Scientific system documentation. Do not tamper with this hardware. High voltages may be present in all instrument enclosures. Use established safety precautions when working with this instrument.

The seller cannot foresee all possible modes of operation in which the user may attempt to use this instrumentation. The user assumes all liability associated with the use of this instrumentation. The seller further disclaims any responsibility for consequential damages. Use of this product in any manner not intended by the manufacturer will void the safety protection provided by the equipment, and may damage the equipment and subject the user to injury.

Preface

Equipment RatingEquipment Rating

Equipment Rating

Equipment RatingEquipment Rating

The following information can be used to determine the power service requirements of this product.

Line Voltage 440VA, 47-63 Hz

IMPORTANT. Disconnect the power cord from the power source (output) while servicing the instrument to prevent electrical hazard. ▲

Environmental Ranges — The instrument and its sample pump must be installed in a weather-sheltered location that is heated in the winter and air conditioned in the summer.

Note. There may be hazardous line (wire) accessible inside the enclosure.

Installation Category — Category 11

▲

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VI OPERATING GUIDE, TEOM 1405-DF

THERMO F ISHER S CIENTIFIC

Electrical/SafetyElectrical/Safety

Electrical/Safety

Electrical/SafetyElectrical/Safety

CertificationsCertifications

Certifications

CertificationsCertifications

Preface

The product has been tested and has been documented to be in compliance with the following U.S. and Canadian safety standards:

UL Standard 61010-1:2004 2nd Edition CAN/CSA C22.2 No. 1010-1:2004 2nd Edition

Thermo Fisher Scientific certifies that this product operates in compliance with the EC Directive 89/336/EEC in reference to electrical emissions and immunity. Specifically, the equipment meets the requirements of EN 61326-1:1998 for Immunity and Emissions. In addition, the hardware has been tested for personal or fire safety hazards in accordance with EN61010-1:2001 (Safety) in fulfillment of EC Directive 73/23/EEC.

Disposal of theDisposal of the

Disposal of the

Disposal of theDisposal of the

InstrumentInstrument

Instrument

InstrumentInstrument

This product is required to comply with the European Union’s Waste Electrical & Electronic Equipment (WEEE) Directive 2002/96/EC. It is marked with the WEEE symbol.

Thermo Fisher Scientific has contracted with one or more recycling/ disposal companies in each EU Member State, and this product should be disposed of or recycled through them. Further information on Thermo Fisher Scientific’s compliance with these Directives, the recyclers in your country, and information on Thermo Fisher Scientific products which may assist the detection of substances subject to the RoHS Directive are available at: www.thermo.com/WEEERoHS.

THERMO F ISHER S CIENTIFIC

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V I I

Preface

Service InformationService Information

Service Information

Service InformationService Information

SectionSection

Section

SectionSection

Revision ListRevision List

Revision List

Revision ListRevision List

When you purchase Thermo Scientific products, you can depend on quality products and expert service. We know that your product’s performance is critical to your business, and that you require it to deliver timely and reliable data. We are dedicated to helping you realize a maximum value in your technology investment by providing a high level of personal attention, premium technical assistance, and fast reliable response. Thermo Scientific offers a full suite of warranty and service contract programs designed to meet your specific support needs and keep your instrumentation operating at peak performance. Contact:

Thermo Scientific 27 Forge Parkway Franklin, Ma 02038 www.thermofisher.com

As Thermo Scientific’s instrumentation changes, so do our operating manuals. However, these changes may affect only one aspect of an instrument, while leaving the instrument as a whole unchanged. To explain these individual changes to our customers, Thermo Scientific will update only those sections of its operating manuals that are affected by the instrument updates or improvements.

To help our customers keep track of the changes to the 1405-DF monitor and its operating guide, following is a list of the sections with their respective revision numbers:

Section Number and Description Revision Number

Section 1: Introduction A.003

Section 2: Setup and Installation A.003

Section 3: Basic Operation A.003

Section 4: Screens and Settings A.003

Section 5: Maintenance and Calibration Procedures A.003

Appendix A: Troubleshooting A.003

Appendix B: Serial Communication A.003

VIII OPERATING GUIDE, TEOM 1405-DF

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Section 1Section 1

Section 1

Section 1Section 1

Section 2Section 2

Section 2

Section 2Section 2

Preface

able of Contentsable of Contents

able of Contents

able of Contentsable of Contents

IntroductionIntroduction

Introduction

IntroductionIntroduction

Overview of Manual ................................................................................... 1-4

Application Range ........................................................................................ 1-5

Theory of Operation ................................................................................... 1-6

Mass Transducer Operation........................................................................ 1-8

Mass Flow Controllers ............................................................................... 1-11

Mass Concentration Reporting ................................................................. 1-12

Setup and InstallationSetup and Installation

Setup and Installation

Setup and InstallationSetup and Installation

Installation Considerations ......................................................................... 2-2

Standard System Hardware ......................................................................... 2-3

Pump Connections ....................................................................................... 2-4

Adjusting the Flow Splitter ......................................................................... 2-6

Assembling the Tripod................................................................................. 2-8

Installing the Inlet and Impactor................................................................ 2-9

Applying Power to the Instrument .......................................................... 2-16

Turning Off the Instrument ..................................................................... 2-18

Restarting the Instrument ......................................................................... 2-18

Using the Outdoor Shelter ........................................................................ 2-19

....................................................................................................................................................................................

..........................................................................................

....................................................................................................................................................................................

....................................................................................................................................................

..........................................................................

....................................................................................................................................................

1-11-1

1-1

1-11-1

2-12-1

2-1

2-12-1

Section 3Section 3

Section 3

Section 3Section 3

Section 4Section 4

Section 4

Section 4Section 4

Basic OperationBasic Operation

Basic Operation

Basic OperationBasic Operation

Starting the Instrument................................................................................ 3-2

Performing a Leak Check............................................................................ 3-4

Storing Data ................................................................................................ 3-11

Downloading Data .....................................................................................

Installing ePort ...........................................................................................3-14

Connecting to the TEOM 1405-DF Unit .............................................. 3-19

Finding Instruments On a Network ........................................................ 3-23

Setting Up for Manual Data Downloads ................................................ 3-25

Setting Up for Automatic Data Downloads .......................................... 3-27

Performing a Data Download .................................................................. 3-29

Downloading Data To a Flash Drive ...................................................... 3-31

Viewing Downloaded Data ...................................................................... 3-33

User I/O Connections ............................................................................... 3-34

USER I/O Pin Assignments .................................................................... 3-35

Screens and SettingsScreens and Settings

Screens and Settings

Screens and SettingsScreens and Settings

TEOM Data Screen ..................................................................................... 4-2

Operating Mode ............................................................................................ 4-6

System Status Screen ................................................................................... 4-8

Instrument Conditions Screen .................................................................. 4-10

Ambient Conditions Screen ...................................................................... 4-12

Flows Screen ............................................................................................... 4-13

Flow Rates Screen ...................................................................................... 4-14

Flow Control Screen .................................................................................. 4-15

Instrument Temperatures Screen ............................................................. 4-18

......................................................................................................................................................................

...................................................................................

......................................................................................................................................................................

3-13

......................................................................................................................................................

...........................................................................

......................................................................................................................................................

3-13-1

3-1

3-13-1

4-14-1

4-1

4-14-1

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Preface

Analog Inputs Screen ................................................................................. 4-19

FDMS Module Screen ............................................................................... 4-20

FDMS Cooler Temperature Setting ......................................................... 4-21

Settings Screen ............................................................................................ 4-22

System Screen ............................................................................................. 4-24

Analog & Digital Outputs Screen ........................................................... 4-26

Analog Outputs Screen ............................................................................. 4-27

Contact Closure Screen ............................................................................. 4-28

RS232 Screen .............................................................................................. 4-29

Settings Advanced Screen ......................................................................... 4-30

Service Screen ............................................................................................. 4-32

Instrument Control Screen ........................................................................ 4-34

Service Advanced Screen .......................................................................... 4-35

Installing New Firmware ........................................................................... 4-36

Section 5Section 5

Section 5

Section 5Section 5

Maintenance and Maintenance and

Maintenance and

Maintenance and Maintenance and

Calibration ProceduresCalibration Procedures

Calibration Procedures

Calibration ProceduresCalibration Procedures

....................................................................................

..........................................

....................................................................................

Periodic Maintenance .................................................................................. 5-1

Maintenance Wizards................................................................................... 5-2

FDMS Dryer Replacement/Refurbishment ............................................. 5-3

TEOM Filter Replacement ......................................................................... 5-4

Filter Loading ................................................................................................ 5-4

Changing the TEOM Filters ....................................................................... 5-6

Advanced Filter Change ............................................................................ 5-13

Conditioning the TEOM Filters .............................................................. 5-15

Replacing the 47 mm Filters ..................................................................... 5-16

Cleaning the PM-10 Inlet .......................................................................... 5-18

Cleaning the Virtual Impactor .................................................................. 5-22

Exchanging In-Line Filters........................................................................ 5-24

Cleaning the Air Inlet................................................................................. 5-28

Cleaning the Coolers ..................................................................................5-30

Cleaning the Switching Valve................................................................... 5-36

Audit/Calibration Procedures .................................................................. 5-40

Auditing the System ................................................................................... 5-43

Calibrating the Ambient Temperature .................................................... 5-44

Calibrating the Ambient Pressure ............................................................ 5-45

Auditing the Flow Rates............................................................................ 5-46

Calibrating the Flow Rates........................................................................ 5-52

Calibrating the Analog Outputs ............................................................... 5-58

Verifying the Calibration Constant .......................................................... 5-64

5-15-1

5-1

5-15-1

Appendix AAppendix A

Appendix A

Appendix AAppendix A

Appendix BAppendix B

Appendix B

Appendix BAppendix B

X OPERATING GUIDE, TEOM 1405-DF

roubleshootingroubleshooting

roubleshooting

roubleshootingroubleshooting

......................................................................................................................................................................

...................................................................................

......................................................................................................................................................................

A-1A-1

A-1

A-1A-1

Converting Decimal/Hexadecimal Numbers ......................................... A-3

Deciphering Status Codes Example ......................................................... A-4

Serial CommunicationSerial Communication

Serial Communication

Serial CommunicationSerial Communication

..................................................................................................................................................

.........................................................................

..................................................................................................................................................

THERMO F ISHER S CIENTIFIC

B-1B-1

B-1

B-1B-1

Section 1Section 1

Section 1

Section 1Section 1

The TEOM® 1405-DF Dichotomous Ambient Particulate Monitor with FDMS is a mass measurement monitor that incorporates the patented Tapered Element Oscillating Microbalance (TEOM) to measure particulate matter mass concentrations continuously. The TEOM 1405-DF Monitor is a true “gravimetric” instrument that draws ambient air through a sample filter for collection at a constant flow rate. The monitor continuously weighs the filter calculating near real-time mass concentrations.

Unlike conventional sampling systems, the design of the TEOM 1405-DF contains two unique features that greatly expands the functionality of the monitor. The TEOM 1405-DF incorporates two mass sensors coupled with a vitual impactor allowing the TEOM 1405-DF to simultaneously determine the PM-2.5 (fine) and PM-Coarse (coarse) mass concentrations, and by adding the concentrations, the PM-10 mass concentration is obtained as well.

In addition to the dual mass sensors and virtual impactor, the TEOM 1405-DF utilizes the FDMS technology on both the fine and coarse channels of the monitor. The FDMS allows the TEOM 1405-DF to provide a representative determination of the mass concentrations of both the fine and coarse PM as it exists in the ambient air. The FDMS unit automatically determines mass concentration measurements that account for both non-volatile and volatile PM components.

Introduction Introduction

Introduction

Introduction Introduction

THERMO F ISHER S CIENTIFIC

The TEOM 1405-DF Monitor is composed of two major components (Figure 1-1): the sample inlet assembly with virtual impactor and the TEOM 1405-DF unit with FDMS system. The user enters the system parameters into the TEOM 1405-DF unit using a color touch screen that is located on the front of the unit. The instrument’s internal storage buffer can store a large amount of data for later viewing or downloading over a network connection. A USB connection allows easy downloads to a portable USB flash drive. Additionally, the system is furnished with software for personal computers to allow the user to download data and update instrument firmware. The instrument does not require a dedicated computer to function in the field. Analog outputs are available to transmit the measurements to a user’s data acquisition system. Ethernet and RS232 ports allow for communication over a network or serial communications.

OPERATING G UIDE, TEOM 1405-DF

1-1

Figure 1-1.Figure 1-1.

Figure 1-1.

Figure 1-1.Figure 1-1.

Schematic of typical installation.

Inlet

Flow splitter

Virtual impactor

Tripod

FDMS tower

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The sensor unit contains the two mass measurement hardware systems that monitor particles that continuously accumulate on both PM-2.5 and PMCoarse particulate filters. PM-Coarse and PM-2.5 particulate, split by a virtual impactor, each accumulate on the system’s exchangeable TEOM filters. By maintaining a flow rate of 1.67 l/min through the coarse sample flow channel and 3 l/min through the PM-2.5 sample channel, and measuring the total mass accumulated on each of the TEOM filters, the device can calculate the mass concentrations of PM-2.5, PM-Coarse, and PM-10 sample streams in near real-time.

In addition, the TEOM 1405-DF monitor is equipped with the FDMS System. The FDMS system is composed of the following components:

• air chiller/filter, dryer, and a switching valve that is used to direct the sample flows through system.

The FDMS™ Filter Dynamics Measurement System provides a representative determination of the particulate matter (PM) mass concentration as it exists in the ambient air. The FDMS unit automatically generates mass concentration measurements (μg/m3) that account for both nonvolatile and volatile PM components.

1 1

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NTRODUCTION

Overview of ManualOverview of Manual

Overview of Manual

Overview of ManualOverview of Manual

This manual describes the installation and operation of the TEOM 1405DF Monitor. Follow the setup instructions contained in Section 2 and 3 before attempting to operate the unit.

This manual is divided into five sections. Sections 1 and 2 explain the system’s hardware, while later sections describe the system’s software and the setup and operation of the monitor. The following list provides an overview of the topics handled in each section of the manual:

Section 1: Introduction

This section provides an overview of the TEOM 1405-DF Monitor, as well as the theory of operation of the instrument’s mass transducer.

Section 2: Setup and Installation

This section describes how to set up and install the system’s hardware and sampling system.

Section 3: Basic Operation

This section provides instructions on how to turn on the instrument and initiate a sampling run. It also explains how to download data and how to leak check the instrument.

Section 4: Screens and Settings

This section explains how to set up the instrument’s firmware and its operating modes.

Section 5: Maintenance and Calibration Procedures

This section describes the routine maintenance and verification procedures for the TEOM 1405-DF Monitor.

Appendix A: Troubleshooting

This appendix includes the information on deciphering status codes and as well as key schematics for troubleshooting purposes.

Appendix B: Serial Communication

This appendix includes information on the instrument’s program register codes and built-in AK protocol.

1-4 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Application RangeApplication Range

Application Range

Application RangeApplication Range

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The TEOM 1405-DF Monitor is a real-time device used for measuring the mass concentrations of PM-2.5, PM-10, and PM-Coarse.

TEOM instruments are the only filter-based mass monitors that measure the mass of particulate matter suspended in gas streams in real time. This is made possible through the use of an inertial mass transducer patented in the U.S. and internationally by Thermo Fisher Scientific.

The monitor is ideally suited for applications demanding real-time air particulate matter monitoring in outdoor, indoor or industrial settings. It calculates mass concentration, mass rate and the total mass accumulation on the TEOM filter under the following conditions:

1 1

Flow rate through sample inlet 16.7 l/min (1 m

/hr) PM-2.5 flow rate 3 l/min PM-Coarse flow rate 1.67 l/min Temperature of sample stream 30º C Particulate matter mass concentration less than 5 μg/m3 to several

g/m

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Theory of OperationTheory of Operation

Theory of Operation

Theory of OperationTheory of Operation

The TEOM 1405-DF Monitor is a true “gravimetric” instrument that draws ambient air through two filters at constant flow rate, continuously weighing the filters and calculating near real-time mass concentrations of both PM-2.5 and PM-Coarse particulate matter. By adding these two values, the concentration of PM-10 is also determined. In addition, the instrument computes the 1-hour, 8-hour, 12-hour, and 24-hour averages of the mass concentrations for all three sizes of PM.

The sensor unit contains the two mass measurement hardware systems that monitor particles that continuously accumulate on both PM-2.5 and PMCoarse particulate filters. The PM-Coarse and PM-2.5 fractions of PM-10, split by a virtual impactor, each accumulate on the system’s exchangeable TEOM filters. By maintaining a flow rate of 1.67 l/min through the coarse sample flow channel and 3 l/min through the PM-2.5 sample channel, and measuring the total mass accumulated on each of the TEOM filters, the device can calculate the mass concentration of both the PM-2.5 and PMCoarse sample streams in near real-time.

Utilizing the FMDS allows the TEOM 1405-DF to provide representative measurement of the particulate matter (PM) mass concentration as it exists in the ambient air. The FDMS unit automatically generates mass concentration measurement (μg/m3) that account for both nonvolatile and volatile PM components. To accomplish this the FDMS unit constantly samples ambient air, and using a switching valve to change the path of the fine and coarse sample flows, automatically compensates for the semivolatile faction of the collected sample.

Every six minutes the switching valve alternates the sample flows between the base and reference sample periods. During the base period, sample is collected normally and the base mass concentration is determined. During the reference period, the flow is diverted through a chilled filter to remove and retain the non-volatile and volatile PM. Under normal operation, the chiller is maintained at a temperature of 4° C. However, under ambient conditions of high temperature and humidity, operating the chiller at 10° C is recommended to prevent condensation in the chiller during instrument operation.

Based upon mass concentration (MC) measurements obtained during the base and reference periods, the FDMS system updates a one-hour average of the following results every six minutes:

• Base mass concentration (Base MC) = PM concentration of the particleladen sample stream.

• Reference mass concentration (Ref MC) = PM concentration of the particle-free sample stream, after passing through the chilled filter.

1-6 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

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• Mass concentration (MC) = Base mass concentration (Base MC) adjusted by the reference mass concentration (Ref MC) — Base MC (usually positive) minus Ref MC (negative when mass volatilizes from the filter).

For example, the unit draws a base flow for six minutes and measures a

mass concentration of 5 μg/m

(Base MC = 5). Then the unit draws a

reference flow for six minutes and measures a mass concentration of -1 μg/

(Ref MC = -1). Therefore, the mass concentration is 6 μg/m

1 1

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Mass TMass T

Mass T

Mass TMass T

Schematic of mass transducer.

ransducerransducer

ransducer

ransducerransducer

OperationOperation

Operation

OperationOperation

Figure 1-2.Figure 1-2.

Figure 1-2.

Figure 1-2.Figure 1-2.

The weighing principle used in the unit’s tapered element oscillating microbalance (TEOM) mass transducers (Figure 1-2) is similar to that of a laboratory microbalance in that the mass change detected by the sensor is the result of the measurement of a change in a parameter (in this case, frequency) that is directly coupled via a physical law (or from first principles) to that mass change.

1-8 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

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The tapered element at the heart of the mass detection system is a hollow tube, clamped on one end and free to oscillate at the other. An exchangeable TEOM filter cartridge is placed over the tip of the free end. The sample stream is drawn through this filter, and then down through the tapered element.

The tapered element oscillates precisely at its natural frequency, much like the tine of a tuning fork. An electronic control circuit senses this oscillation and, through positive feedback, adds sufficient energy to the system to overcome losses. An automatic gain control circuit maintains the oscillation at a constant amplitude. A precision electronic counter measures the oscillation frequency with a 10-second sampling period.

The tapered element is, in essence, a hollow cantilever beam with an associated spring rate and mass. As in any spring-mass system, if additional mass is added, the frequency of the oscillation decreases. This can be seen by observing the frequency on the display of the TEOM 1405-DF unit (Section 4), and operating the monitor both with and without a filter in place.

1 1

In a spring-mass system the frequency follows the equation:

f = (K / M)

0.5

where:

f = frequency K = spring rate M = mass

K and M are in consistent units. The relationship between mass and change in frequency can be expressed as:

where:

Kdm −=

dm = change in mass K0= spring constant (including mass conversions) f0= initial frequency (Hz) f1= final frequency (Hz)

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When this equation is rearranged, you can solve for the spring constant, K0:

−

K0 =

Thus, K0 (the calibration constant for the instrument) can be easily determined by measuring the frequencies with and without a known mass (pre-weighed TEOM filter cartridge).

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Mass FlowMass Flow

Mass Flow

Mass FlowMass Flow

ControllersControllers

Controllers

ControllersControllers

The mass flow controllers (MFCs) in the TEOM 1405-DF Monitor are internally calibrated for a standard temperature and pressure of 25° C and 1 Atmosphere (1013.2 millibars or 760 mm Hg). The system can operate on “Active” or “Passive” flow to maintain constant volumetric flow at sample inlet. For Passive flow control, the user must enter the seasonal average temperature (Ave. Temp.) and average barometric pressure (Ave. Pres.) at the measurement site to allow the instrument to sample at the correct volumetric flow rate (Section 4). The microprocessor calculates the correct mass flow set point (Flow_Rate

) with this information using the

STP

following formula:

FlowSPFlowSP

VolPassive

××=

STD

STDAVG

AVG

15.273TempP

15.273Temp

where:

FlowSP

PASSIVE

= Control set point to mass flow controller (equivalent

flow at 25° C and 1 Atmosphere)

FlowSP

Vol

= Volumetric flow rate set point (l/min)

Temp

AVG

STD

= Average temperature entered by the user (°C)

= Standard temperature (25°C)

= Seasonal average barometric pressure entered by the

user (Atmospheres, where 1 Atmosphere = 1013.2 millibars or 760 mm Hg)

STD

= Standard pressure (1 Atm)

Alternately, Active flow control can be set up to automatically measure the ambient temperature and pressure using the hardware supplied.

Note. Note.

Note. When using actual conditions for active volumetric flow control,

Note. Note. substitute the actual (local) temperature and pressure as measured by the instrument for the average temperature and pressure variables in equation above. ▲

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OPERATING G UIDE, TEOM 1405-DF 1-11

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Mass ConcentrationMass Concentration

Mass Concentration

Mass ConcentrationMass Concentration

ReportingReporting

Reporting

ReportingReporting

The 1405-DF continuously monitors PM-2.5, PM-10, and PM-Coarse mass concentrations. These mass concentrations are reported to different agencies using different standards. For example, PM-2.5 and PM-Coarse data are required to be reported to the U.S. EPA based on the actual conditions present at the time of collection.

PM-10 mass concentration data reported to the U.S. EPA must be referenced to standard cubic meters of air based on a standard temperature and pressure of 25° C and 1 Atmosphere (atm), respectively. For the instrument to report mass concentrations according to this EPA standard, the user must ensure that the standard temperature (Std. Temp.) and standard pressure (Std. Pres.) entered in the instrument equal 25° C and 1 Atmosphere (Section 4). These are the default values for the instrument.

273.15 Temp. Std.

Flow_Rate Flow_Rate

×=

STPEPA

15.273

atm 1

Pres. Std.

The flow rates referenced internally by the instrument to 0° C are converted to EPA standard conditions.

Note.Note.

Note. When reporting concentrations to actual conditions, the system

Note.Note. must be set for “Active” flow control (Section 4). This will ensure that the monitor uses the current actual values for temperature and pressure in the equation above. ▲

1-12 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-1.Figure 2-1.

Figure 2-1.

Figure 2-1.Figure 2-1.

1405-DF.

Inlet

Section 2Section 2

Section 2

Section 2Section 2

This section describes the setup and installation of the TEOM 1405-DF, including the pump, flow splitter, tripod, virtual impactor, sample tube and sample inlet. After you have set up the system, you must perform a leak check on the monitor (Section 3) and install a TEOM filter (Section 5) in the mass transducer before starting a sample run.

If you want to install the monitor in an outdoor location, consult Thermo Fisher Scientific for specific site recommendations.

Setup and Installation Setup and Installation

Setup and Installation

Setup and Installation Setup and Installation

Virtual impactor

Flow splitter

TEOM 1405-DF

Tripod

FDMS tower

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InstallationInstallation

Installation

InstallationInstallation

ConsiderationsConsiderations

Considerations

ConsiderationsConsiderations

The TEOM 1405-DF may be located in any convenient indoor location which is maintained between 8° and 25° C (46° to 77° F). The user must run two sampling tubes through the roof of the monitoring site (refer to the inlet installation instructions later in this section). The entrance to the sample inlet must be 1.8 to 2.1 m (70 to 82 inches) above the roof based on U.S. EPA requirements. Refer to local regulations for the actual inlet height requirements.

Although the TEOM monitor is inherently rugged, it is a precision instrument. The user will obtain the best operating conditions and longest instrument life when the unit is not exposed to extremes of weather. Filter exchange, in particular, may be best accomplished by a technician operating in an indoor environment where there is no possibility of rain or snow contaminating the filter.

Be sure to install the ambient temperature/humidity sensor. If you do not install the ambient temperature/humidity sensor, you must set the instrument to “Passive” flow control (Section 4) or the mass flow controller will attempt to control the sample flow as if the ambient temperature is absolute zero.

The sample lines for the PM-2.5 and PM-Coarse channels should proceed in a straight, vertical line from the PM-10 inlet and virtual impactor to the inlet of the unit.

To achieve the best results, locate the TEOM sensor unit in an environment with relatively slow temperature fluctuations. Avoid sampling locations with direct exposure to sunlight or that are in close proximity to a heating or air-conditioning outlet. To avoid condensation in the sample tubing, Thermo Scientific strongly recommends that the user insulate the sample tube extensions with pipe insulation when operating the instrument in areas of high humidity.

2-2 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Standard SystemStandard System

Standard System

Standard SystemStandard System

HardwareHardware

Hardware

HardwareHardware

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The TEOM 1405-DF Monitor is supplied with the following components:

1405-DF TEOM unit Temperature/humidity sensor and cable, 10 m 3/8" green tubing for bypass flow, 10 m 3/8" green tubing to pump, 5 m (16.5 ft) 5 Sample tubing extensions, 1 m (40") 1 Sample tubing extension, .79 m (31") Box of 20 TEOM filter cartridges (Pallflex TX40) Filter exchange tool 1 package FDMS filter cassettes Box of 25 47mm filters for FDMS 1 small filter element 1 large bypass filter element Flow splitter PM-10 inlet Sample inlet tube Virtual impactor Water trap filter assembly Flow audit adapter/leak check kit Cooler cleaning kit (2 Y-adapters, orifice) Vacuum pump 2 Operating Manuals (one hard copy, one on CD) Quick Start Guide Pre-filter/silicone tubing

2 2

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Pump ConnectionsPump Connections

Pump Connections

Pump ConnectionsPump Connections

Figure 2-2.Figure 2-2.

Figure 2-2.

Figure 2-2.Figure 2-2.

Vacuum pump.

Follow these steps to attach the pump:Follow these steps to attach the pump:

Follow these steps to attach the pump:

Follow these steps to attach the pump:Follow these steps to attach the pump:

1. Locate and cut the piece of the 15m green tubing into two pieces — one about (but not less than) 5m (the lengths may be precut). (The typical setup has 5m of tubing for the pump and 10m for the bypass line.)

2. Locate the sample pump in a location to minimize vibrations effecting the instrument. Push the one end of the 5m pump tubing into the fitting on the vacuum pump (Figure 2-2).

Figure 2-3.Figure 2-3.

Figure 2-3.

Figure 2-3.Figure 2-3.

Back of TEOM 1405-DF unit.

3. Install the other end of the 5m length of pump tubing into the pump connection on the back of the TEOM 1405-DF unit (Figure 2-3).

To water trap filter

Pump connection

Bypass filter

2-4 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-4.Figure 2-4.

Figure 2-4.

Figure 2-4.Figure 2-4.

Water trap filter assembly.

Quick-connect fitting

Water trap filter

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4. Mount the water trap filter assembly near the 1405 unit (Figure 2-4). The water trap should be mounted at the low point of the tubing to the instrument.

2 2

Note.Note.

Note. Drain the water trap as needed. ▲

Note.Note.

5. From the 10m length of tubing for the bypass line, cut a piece of tubing long enough to reach from the water trap filter to the bypass filter on the back of the 1405 unit (Figure 2-3 and 2-4). Install the tubing into the quick-connect fittings on the water trap filter and bypass filter.

6. Insert one end of the remaining section of bypass tubing into the quickconnect fitting at the end of the coiled piece of tubing connected to the water trap filter.

Note.Note.

Note. The other end of the bypass tubing will be connected to the

Note.Note. bypass connection on the flow splitter when you assemble and install the sample inlet and virtual impactor (following section). ▲

Note.Note.

Note. Thermo Scientific strongly recommends that you use the

Note.Note. vacuum pump provided with the unit. If you choose to install a different pump, it must be oil-free and able to maintain a 21" Hg vacuum at a flow of 16.67 l/min. ▲

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OPERATING G UIDE, TEOM 1405-DF 2-5

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Adjusting theAdjusting the

Adjusting the

Adjusting theAdjusting the

Flow SplitterFlow Splitter

Flow Splitter

Flow SplitterFlow Splitter

Figure 2-5.Figure 2-5.

Figure 2-5.

Figure 2-5.Figure 2-5.

Flow splitter.

An isokinetic flow splitter (Figures 2-5 and 2-6) is used in combination with an automatic flow controller to divide the PM-2.5/bypass flow into two components after the air stream passes through the size-selective inlet and virtual impactor. The two sample flow components are the PM-2.5 flow (3 l/min) that flows to the PM-2.5 TEOM mass transducer, and the bypass flow (12 l/min). The PM-Coarse flow (1.67 l/min) moves in a straight line through the virtual impactor into the top of the 1405-DF.

The 1405-DF is designed to have the sample tube installed 6-inches from the top of the flow splitter for ease of installation. It MUST be between

5.75 and 6.25 inches from the top of the flow splitter.

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The tubing package is designed to use the short sample tube in the flow splitter.

To set up the flow splitter assembly:To set up the flow splitter assembly:

To set up the flow splitter assembly:

To set up the flow splitter assembly:To set up the flow splitter assembly:

1. Locate the flow splitter (Figures 2-5 and 2-6).

2. Loosen the 1/2-inch sample tube fastener nut and slide the short (31inch) sample tube down into the flow splitter so that the top of the installed sample tube (or flow adapter) is 15.5 cm (6") from the top of the flow splitter (it must be between 5.75 and 6.25 inches from the top of the flow splitter) (Figure 2-7).

3. Tighten the 1/2-inch sample tube nut. Ensure that the top of the flow adapter remains 6 inches from the top of the flow splitter (Figure 2-7).

2 2

Figure 2-6.Figure 2-6.

Figure 2-6.

Figure 2-6.Figure 2-6.

Bottom of the flow splitter.

Figure 2-7.Figure 2-7.

Figure 2-7.

Figure 2-7.Figure 2-7.

Measuring the distance from the

top of the sample tube to the top

of the flow splitter.

Flow splitter

Bypass tube

1/2-inch sample tube nut

Sample tube

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OPERATING G UIDE, TEOM 1405-DF 2-7

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Assembling theAssembling the

Assembling the

Assembling theAssembling the

ripodripod

ripod

ripodripod

Figure 2-8.Figure 2-8.

Figure 2-8.

Figure 2-8.Figure 2-8.

Placing the metal bracket on the

tripod foot.

An optional tripod is available for installation on the roof of a sampling building.

o assemble the tripod:o assemble the tripod:

o assemble the tripod:

o assemble the tripod:o assemble the tripod:

1. Locate a tripod foot and remove the rubber leg holder, if one is attached.

2. Place one leg of the tripod onto the tripod foot.

3. Place a metal bracket over the rubber base of the tripod leg and into the two slots on the tripod foot (Figure 2-8). Ensure that the bracket is placed over the rubber base on the end of the tripod leg.

4. Insert a plain washer then a lock washer onto each threaded end of the bracket, then install the nuts on the threaded ends of the bracket and tighten them with a 3/8" (or adjustable) wrench.

Note. Note.

Note. Hand-tighten both nuts on the bracket before tightening

Note. Note. them with the wrench to ensure that the bracket is positioned properly on the tripod leg and tripod foot. ▲

5. Repeat steps 1 through 4 for each leg of the tripod.

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2 2

Installing the InletInstalling the Inlet

Installing the Inlet

Installing the InletInstalling the Inlet

and Impactorand Impactor

and Impactor

and Impactorand Impactor

Figure 2-9.Figure 2-9.

Figure 2-9.

Figure 2-9.Figure 2-9.

Bottom of the flow splitter.

To install the inlet and virtual impactor:To install the inlet and virtual impactor:

To install the inlet and virtual impactor:

To install the inlet and virtual impactor:To install the inlet and virtual impactor:

1. Set the 1405-DF unit on a bench or other support directly below the location of the inlet on the roof of the sampling structure (Figure 2-1). In its finished state, the entrance to the sample inlet must be 1.8 to

2.1 m (70 to 82 inches) above the roof.

Note.Note.

Note. This measurement may vary based on the inlet height

Note.Note. required by the local regulatory agency. ▲

2. Install the assembled flow splitter into the tripod and lightly tighten the knob to ensure the flow splitter stays in place (Figure 2-9).

Flow splitter

Sample tube

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3. Measure and mark two points 1 3/4 inches on center on the roof directly above the two 1/2-inch sample lines on the top of the instrument (Figure 2-10).

Note.Note.

Note. In this example, a hole was cut in the roof to

Note.Note. accommodate a 4-inch PVC pipe and seal. The cap of the PVC pipe was then drilled to accommodate the sample lines. A similar 3-inch PVC cap with the necessary fittings is available from Thermo Fisher Scientific (59-011003).

▲

4. Drill the holes in the roof for the two 1/2-inch sample lines and another hole for the 3/8-inch bypass line tubing. (The bypass tubing may also be run through a window or other opening.)

Note.Note.

Note. The holes for the 1/2-sample lines MUST BE DRILLED

Note.Note. 1 3/4-INCHES ON CENTER directly above the sample lines on the top of the instrument. ▲

Figure 2-10.Figure 2-10.

Figure 2-10.

Figure 2-10.Figure 2-10.

Installing the sample tubes and

bypass line through the roof.

Flow splitter (with bypass)

Sample tube extensions

(1 3/4-inch centers)

5. Set the tripod on the roof above the 1405 unit and adjust the legs so the top of the tripod is above the roof opening.

2-10 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-11.Figure 2-11.

Figure 2-11.

Figure 2-11.Figure 2-11.

Virtual impactor and sample

inlet tube.

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6. Install the virtual impactor on the top of the flow splitter (Figure 2-11).

7. Install one of the 1/2-inch sample tube extensions into the coarse sample fitting on the virtual impactor. The tube must be inserted through the fitting and fully seated into the base of the virtual impactor.

Note.Note.

Note. The coarse flow channel is the right channel as you face

Note.Note. the instrument, with the 1/2-inch Swagelok connection on the bottom of the virtual impactor. The 1/2-inch sample tube will run parallel to the PM-2.5/bypass channel of the flow splitter just next to the tripod, and when attached should be even with the bottom of the sample tube in the flow splitter. ▲

8. Install the sample inlet tube on the top of the virtual impactor (Figure 2-11).

2 2

Sample inlet tube

Virtual impactor

Flow splitter

Coarse sample tube

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Inlet entrance

Figure 2-12.Figure 2-12.

Figure 2-12.

Figure 2-12.Figure 2-12.

Inlet installed.

Inlet

9. Set the inlet on top of the sample inlet tube and adjust the tripod so the entrance to the sample inlet is 1.8 to 2.1 m (70 to 82 inches) above the roof (Figure 2-12).

Note.Note.

Note. This measurement may vary based on the inlet height

Note.Note. required by the local regulatory agency.

1.8 to 2.1 m1.8 to 2.1 m

1.8 to 2.1 m

1.8 to 2.1 m1.8 to 2.1 m

▲

above theabove the

above the

above theabove the

roofroof

roof

roofroof

Sample tube

2-12 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-13.Figure 2-13.

Figure 2-13.

Figure 2-13.Figure 2-13.

Coarse sample tube, flow splitter

and virtual impactor installed.

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10. Center the tripod over the roof holes. Measure and cut the sample tube extensions from the top of the instrument, making sure to clean and deburr the cut ends of the sample tube extensions. Install them through the roof and connect the left (PM-2.5 channel) sample tube to the flow splitter sample tube and the right (PM-Coarse channel) sample tube to the sample tube installed into the virtual impactor.

Note.Note.

Note. The flow splitter and coarse sample tube extension should

Note.Note. be seated firmly into the bottom of the virtual impactor (Figure 2-

13). ▲

2 2

Flow splitter extension tube

(PM-2.5 channel)

Sample tube extension

(coarse channel)

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Figure 2-14.Figure 2-14.

Figure 2-14.

Figure 2-14.Figure 2-14.

Bypass tubing and sample tubes

installed

11. Connect the end of the green bypass tubing (the other end is attached to the coiled tubing of the water trap filter) to the bypass fitting on the flow splitter using the 3/8-inch Swagelok fitting (Figure 2-14).

Note.Note.

Note. Ensure that the coiled tubing connected to the water trap

Note.Note. filter is mounted vertically, so condensed water will drip into the water trap filter. ▲

Sample tube extension

(coarse channel)

Bypass connection

Flow splitter extension tube

(PM-2.5 channel)

2-14 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-15.Figure 2-15.

Figure 2-15.

Figure 2-15.Figure 2-15.

Temperature/humidity sensor

installed on flow splitter.

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12. Locate the ambient temperature and humidity sensor. Connect the sensor to the flow splitter using the U-bolt provided with the system (Figure 2-15).

13. Attach the sensor cable to the sensor and run the sensor cable to the instrument through an opening in the roof or through a window. Attach the sensor to the sensor connection on the back of the TEOM 1405DF unit (Figure 2-16).

14. Fasten the tripod feet to the roof. The length and type of fasteners depends on the type of roof surface. The tripod feet also may be attached to a pallet or 3/4" marine plywood, with the pallet or plywood secured by concrete blocks or sand bags.

Flow splitter

2 2

Temperature/humidity

sensor

U-bolt

Figure 2-16.Figure 2-16.

Figure 2-16.

Figure 2-16.Figure 2-16.

Temperature/humidity sensor

connection of the back of the

TEOM 1405-DF unit.

Temperature/humidity cable connection

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Applying PowerApplying Power

Applying Power

Applying PowerApplying Power

to the Instrumentto the Instrument

to the Instrument

to the Instrumentto the Instrument

Figure 2-17.Figure 2-17.

Figure 2-17.

Figure 2-17.Figure 2-17.

Power connection

on back of unit.

The TEOM 1405-DF unit accepts all voltage inputs between 85 and 240 volts AC. The unit should be connected to an appropriate, code-approved, grounded electrical outlet for the sampler location. The connection should be easily accessible. Contact a qualified electrician if there is doubt as to whether the power service for the instrument is adequate.

o turn on the monitor:o turn on the monitor:

o turn on the monitor:

o turn on the monitor:o turn on the monitor:

1. Install an appropriate power cord into the universal power connection on the back of the instrument at the appropriate voltage.

Note.Note.

Note. DO NOT attempt to bypass the grounding requirements for

Note.Note. the unit. ▲

2. Install the other end of the power cord into an appropriate, easily accessible, grounded, code-approved electrical outlet.

Note.Note.

Note. Contact a qualified electrician if there is doubt as to

Note.Note. whether the power service for the instrument is adequate. ▲

2-16 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-18.Figure 2-18.

Figure 2-18.

Figure 2-18.Figure 2-18.

Power switch.

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3. Press the “POWER” switch on the front panel of the control unit (Figure 2-18). The unit will begin its startup routine. After a few moments, the Title screen will appear on the control unit’s display and then the TEOM Data (Main) screen. Refer to Sections 3 and 4 for information on the instrument’s software screens.

4. Plug the pump into an appropriate power source to draw a sample stream through the system.

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Power switch

The TEOM Data screen will show a warning message (Section 4) because the flow rates and temperatures are outside of tolerance ranges. The warning may remain active during the first 30 minutes after the power switch is pressed while the monitor warms up. The status warning icon automatically disappears after all flow rates and temperatures reach tolerance ranges. The monitor waits until the flow rates and temperatures stabilize within a narrow range before starting data collection. This ensures the validity of all data points computed by the system.

Note.Note.

Note. Upon initial instrument start up, the values in the mass

Note.Note. concentration fields are the running averages that are accumulated until a 1-hour time period has passed. The values are visible to provide the user with an indication that the instrument is functioning, after instrument power up or reset. These raw values are used for internal calculations only. ▲

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urning Off theurning Off the

urning Off the

urning Off theurning Off the

InstrumentInstrument

Instrument

InstrumentInstrument

Restarting theRestarting the

Restarting the

Restarting theRestarting the

InstrumentInstrument

Instrument

InstrumentInstrument

Figure 2-19.Figure 2-19.

Figure 2-19.

Figure 2-19.Figure 2-19.

Instrument Control screen.

If the instrument needs to be turned off, turn the power switch on the front of the unit to off (0).

Note.Note.

Note. Wait at least 1 minute after shutdown before reapplying power to

Note.Note. the unit.

The instrument may also be restarted without turning it off.

To restart the instrument:To restart the instrument:

To restart the instrument:

To restart the instrument:To restart the instrument:

1. In the Service screen (Section 4), select the Instrument Control button to display the Instrument Control screen (Figure 2-19).

2. Select the Reboot button.

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Using Using

Using

Using Using

Outdoor ShelterOutdoor Shelter

Outdoor Shelter

Outdoor ShelterOutdoor Shelter

Figure 2-20.Figure 2-20.

Figure 2-20.

Figure 2-20.Figure 2-20.

1405 unit in the

outdoor enclosure.

thethe

the

thethe

Thermo Fisher Scientific offers an outdoor shelter for the 1405 unit. The shelter is fully climate controlled and includes space for the 1405 unit, pump and accessories such as a data logger or additional monitoring devices. It is available in both 120V and 240V version.

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Figure 2-21.Figure 2-21.

Figure 2-21.

Figure 2-21.Figure 2-21.

Enclosure.

To install the 1405 unit in an outdoor shelter:To install the 1405 unit in an outdoor shelter:

To install the 1405 unit in an outdoor shelter:

To install the 1405 unit in an outdoor shelter:To install the 1405 unit in an outdoor shelter:

1. Before placing the 1405 unit or pump into the enclosure, install a 3/8inch elbow fitting provided with the outdoor enclosure into the quick connect-fitting inside the pump compartment, where the pump tubing goes through the bulkhead into the enclosure. Install the other 3/8-inch elbows into the pump connection on the back of the 1405 unit and into the connection on the pump (Figures 2-21, 2-22 and 2-23)).

Pump compartment

bulkhead connection

Figure 2-22 (left).Figure 2-22 (left).

Figure 2-22 (left).

Figure 2-22 (left).Figure 2-22 (left).

Back of the 1405 unit.

Figure 2-23 (right).Figure 2-23 (right).

Figure 2-23 (right).

Figure 2-23 (right).Figure 2-23 (right).

Pump connections

Pump.

2-20 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-24.Figure 2-24.

Figure 2-24.

Figure 2-24.Figure 2-24.

Water trap filter.

Pump compartment

bulkhead connection

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2. Install the water trap filter and bracket into the two pre-drilled holes on the side of the pump compartment (Figure 2-24).

2 2

3. Cut a 14-inch (.35m) piece of tubing from the 3-foot section that came with the enclosure package. Place the pump in the enclosure, and connect the elbow fitting on the pump (Figure 2-23) to the elbow fitting on the inside of the pump compartment using the 14-inch piece of tubing.

4. Locate and cut the piece of the 15m green tubing, that came in the 1405 packaging, into two pieces — one about (but not less than) 5m.

5. Install the one end of the 5m pump tubing into the quick-connect fitting on the outside bulkhead wall of the pump compartment (behind the water trap filter, Figure 2-24).

6. Place the 1405 unit into the enclosure install the other end of the 5m tubing that is connected to the bulkhead into the quick-connect elbow fitting for the pump connection on the back of the 1405 unit (Figure 2-

22).

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7. Select a location on the pump tubing to install the vacuum gauge. It should allow the gauge to be easily monitored (Thermo Scientific suggests a location about half a meter from where the tubing is installed in the pump connection on the back of the unit.) Cut the tubing and install the two ends into the quick-connect fittings on the vacuum gauge.

8. From the 10m length of tubing for the bypass line, cut a piece of tubing long enough to reach from the water trap filter to the bypass filter on the back of the 1405 unit (Figure 2-22 and 2-24). Install the tubing into the quick-connect fittings on the water trap filter and bypass filter.

Note.Note.

Note. The bypass tubing will be connected to the bypass

Note.Note. connection on the flow splitter and to the water trap when you assemble and install the sample inlet and virtual impactor on top of the enclosure later in this section. ▲

9. Ensure that the shorter sample tube is properly installed in the flow splitter (refer to “Adjusting the Flow Splitter” earlier in this section).

Figure 2-25 (left).Figure 2-25 (left).

Figure 2-25 (left).

Figure 2-25 (left).Figure 2-25 (left).

Sample connections inside

enclosure.

Figure 2-26 (right).Figure 2-26 (right).

Figure 2-26 (right).

Figure 2-26 (right).Figure 2-26 (right).

Sample connections on top of

the enclosure.

PM 2.5 (short)

sample tube

Coarse (1m)

sample tube

10. Install the sample tube from the flow splitter (PM 2.5 channel) through the left, front roof opening (as you face the instrument). Install a standard, 1m sample tube through the right, front fitting in the roof of the enclosure (Figures 2-25 and 2-26).

2-22 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-27.Figure 2-27.

Figure 2-27.

Figure 2-27.Figure 2-27.

Support pipe connections.

Adjustable elbow

fitting

Flow splitter

Support pipe

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11. Install the adjustable elbow fitting and male swivel fitting from the enclosure package onto the piece of 19-inch section of pipe that came with the enclosure. Lightly tighten the screws. Install the elbow fitting and support pipe onto the flow splitter and enclosure top (Figure 2-27). Slide the support pipe up or down until the flow splitter is sitting plumb, then attach the arm to the shelter and tighten all the screws on the support arm.

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Male swivel

fitting

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Figure 2-28.Figure 2-28.

Figure 2-28.

Figure 2-28.Figure 2-28.

Virtual impactor,

temperature/humidity sensor

and sample tubes.

Virtual impactor

Temperature/humidity

sensor

12. Install the virtual impactor on the top of the flow splitter and the coarse sample fitting. The flow splitter and coarse sample tube must be fully seated into the impactor (Figure 2-28).

Note.Note.

Note. The coarse flow channel is the right channel as you face

Note.Note. the instrument, with the 1/2-inch Swagelok connection on the bottom of the virtual impactor. ▲

Flow splitter

Coarse sample tube

Bypass connection

13. Cut a piece of tubing from the remaining section of bypass tubing (step

8) long enough to reach from the bypass connection to the top of the 1405 unit. The section should be long enough to include a loop (Figure 2-28) to ensure there will be no kinks in the line when it enters the enclosure. Connect the bypass tubing to the bypass fitting on the flow splitter using the 3/8-inch Swagelok fitting (Figure 2-28). Insert the other end through the fitting on the roof (Figure 2-26) and into the enclosure about 4 to 6 inches. Connect the coiled tubing from the water trap filter to the bypass line near the top of the shelter with the quick-connect fitting. Ensure that the coiled water trap tubing is vertical (Figure 2-20).

2-24 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 2-29.Figure 2-29.

Figure 2-29.

Figure 2-29.Figure 2-29.

Temperature/humidity sensor

cable entering the outdoor

enclosure.

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14. Locate the ambient temperature and humidity sensor. Connect the sensor to the flow splitter using the U-bolt provided with the 1405 unit (Figure 2-28).

15. Attach the sensor cable to the sensor and run the sensor cable to the instrument through the opening in the back of the enclosure (Figure 2-

29). Attach the sensor to the sensor connection on the back of the TEOM 1405-DF unit (Figure 2-30).

Note.Note.

Note. The opening in the back of the enclosure can also be used

Note.Note. for other connections, such as Ethernet connections. ▲

2 2

Figure 2-30.Figure 2-30.

Figure 2-30.

Figure 2-30.Figure 2-30.

Temperature/humidity sensor

connection of the back of the

TEOM 1405-DF unit.

Sensor cable

Temperature/humidity cable connection

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Outdoor enclosure with

Figure 2-31.Figure 2-31.

Figure 2-31.

Figure 2-31.Figure 2-31.

inlet installed.

16. Install the sample inlet tube on top of the virtual impactor. Install the inlet (Figure 2-31).

Inlet

Sample inlet tube

Note.Note.

Note. Drain the water trap as needed. ▲

Note.Note.

Note. Thermo Scientific strongly recommends that you use the

Note.Note. vacuum pump provided with the unit. If you choose to install a different pump, it must be oil-free and able to maintain a 21" Hg vacuum at a flow of 16.67 l/min. ▲

2-26 OPERATING GUIDE, TEOM 1405-DF THERMO F ISHER S CIENTIFIC

Figure 3-1.Figure 3-1.

Figure 3-1.

Figure 3-1.Figure 3-1.

TEOM Data screen with

“Fully Operational” message.

Section 3Section 3

Section 3

Section 3Section 3

This section describes the steps to begin data collection with the TEOM 1405-DF monitor, as well as leak check the instrument and download data.

The instrument will not begin collecting data until the operating mode message in the status bar reads “Fully Operational” (Figure 3-1). Users must install clean, conditioned filters in the unit prior to sampling. Users can select flow rate, data and other settings while waiting for the unit to become fully operational.

Basic Operation Basic Operation

Basic Operation

Basic Operation Basic Operation

THERMO F ISHER S CIENTIFIC

Status bar

Note.Note.

Note. This screen shows the data for U.S. EPA FEM. Refer to

Note.Note. Section 4 to set the equivalency calculations for the local region. ▲

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Starting theStarting the

Starting the

Starting theStarting the

InstrumentInstrument

Instrument

InstrumentInstrument

To program the instrument and begin collecting data:To program the instrument and begin collecting data:

To program the instrument and begin collecting data:

To program the instrument and begin collecting data:To program the instrument and begin collecting data:

1. Perform a leak check (refer to the following section for leak check information).

2. Install a TEOM filter into the mass transducer on both TEOMs (Section 5).

3. Install both 47 mm filters into the FDMS tower (Section 5).

4. When in the System Status screen, ensure that the serial number listed for the instrument matches the serial number on the back of the unit.

5. When in the Instrument Conditions screen, select the Flows button to display the Flows screen. Verify flow rate set points for the PM-2.5, PM-Course, and Bypass flows are 3 LPM, 1.67 LPM, and 12 LPM respectively. Select the Flow Control button to select the desired flow control (“Active” or Passive”) and the desired standard and average temperatures and pressures. (Refer to Section 4 for more information on screens and settings.)

6. When in the Settings screen, select the System button, then the Set Time button to set the current date and time. (Refer to Section 4 for more information on screens and settings.)

7. When in the Settings screen, select the Advanced button, then the Mass Transducer K0 Constants button to confirm the current K0 settings of the PM-2.5 and PM-Coarse TEOMs. The numbers programmed into the unit must match the K0 constants on the label near the mass transducer. (Refer to Section 4 for more information on screens and settings.)

8. When in the Settings screen, select the Data Storage button to display the Data Storage screen. Confirm the desired data is selected to be logged by the instrument. (Refer to “Storing Data” later in this section for more information on selecting storage variables.)

9. If you will be setting up the unit to receive an analog input, to transmit analog outputs, or setting up the unit’s contact closure circuits, refer to Section 4 for information on the screens and settings used for these parameters.

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10. If you will be using the password function to control access to the unit’s operation, refer to Section 4 for information on setting up the password function.

11. Select the TEOM Data button to display the TEOM Data screen. The instrument will begin collecting data when the mode status window displays a “Fully operational” message.

Note.Note.

Note. Upon initial instrument start up, the values in the mass

Note.Note.

Note. If configuring the instrument for U.S. EPA FEM sampling for

Note.Note. PM-2.5, the instrument needs to be configured to calculate and record the FEM values. Press Settings and select U.S. EPA. Turn off and back on for this change to take effect. ▲

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Performing aPerforming a

Performing a

Performing aPerforming a

Leak CheckLeak Check

Leak Check

Leak CheckLeak Check

The TEOM 1405-DF should be leak-checked once a month or as needed. The system comes with flow audit/leak check adapters for the 1 1/4-inch flow splitter, 1/2-inch coarse sample tube and the 3/8-inch bypass line.

The Leak Check Wizard compares the measured difference between the units “zero” flow with the vacuum disconnected and flow through the instrument with the inlet blocked (which should also be zero). The leak check passes if the PM-Coarse and PM-2.5 flows are within 0.15 l/min and the bypass flow is within 0.60 l/min of their “zero” value with the vacuum disconnected.

In order to ensure proper performance of the instrument and ensure no leaks, the instrument prompts the operator to perform a leak check with the FDMS valve in both the base and reference positions.

Note.Note.

Note. The Leak Check Wizard automatically disables the switching valve

Note.Note. during a leak check. Performing a leak check without the wizard can damage the switching valve.

▲

Figure 3-2.Figure 3-2.

Figure 3-2.

Figure 3-2.Figure 3-2.

Leak Check Wizard start

screen.

To perform a leak check:To perform a leak check:

To perform a leak check:

To perform a leak check:To perform a leak check:

1. In the 1405 TEOM Data screen, select the Service button to display the Service screen, then select the Verification button to display the Verification screen.

2. Select the Leak Check button to display the Leak Check Wizard screen (Figure 3-2). Select the Next > button.

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Figure 3-3.Figure 3-3.

Figure 3-3.

Figure 3-3.Figure 3-3. Leak Check Wizard screen with current valve position

select.

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3. The Select Valve Position screen will display. The current valve position is displayed on the screen. To start the leak check select the current valve position leak check button (Figure 3-3). Select the Next > button.

Note.Note.

Note. If trying to isolate a leak with the valve in a specific position, select

Note.Note. the specific valve position desired and proceed. ▲

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4. The Remove the TEOM filters screen will display. Remove the two TEOM filters from the transducer to ensure they aren’t damaged during the leak check procedure. Select the Next > button.

5. The Disconnect Vacuum Line screen will display. Remove the main vacuum line (pump) connected to the pump from the back of the unit (Figure 3-4). Select the Next > button.

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Back of TEOM 1405-DF unit.

Figure 3-4.Figure 3-4.

Figure 3-4.

Figure 3-4.Figure 3-4.

Pump connection

6. The Stabilizing screen will display. Allow 1 minute for the flows to stabilize then select the Next > button.

7. The Reconnect Vacuum Line screen will display. Reinstall the pump/ vacuum tubing into the back of the unit. Select the Next > button.

8. The Remove Inlet screen will display. Remove the inlet (Figure 3-5). Select the Next > button.

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Figure 3-5.Figure 3-5.

Figure 3-5.

Figure 3-5.Figure 3-5.

Inlet assembly.

Figure 3-6.Figure 3-6.

Figure 3-6.

Figure 3-6.Figure 3-6.

Leak check adapter.

Inlet

Sample inlet tube

Valve closed

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Leak check

adapter

9. The Attach Audit Adapter screen will display. Attach the leak check/ flow audit adapter to the top of the sample tube.

10. Slowly close the valve on the leak check adapter. Select the Next > button.

11. The Stabilizing screen will display. Allow 1 minute for the flows to stabilize then select the Next > button.

12. Slowly open the leak check adapter valve. Select the Next > button. Failure to release the vacuum before proceeding may damage the seals in the switching valve.

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Figure 3-7.Figure 3-7.

Figure 3-7.

Figure 3-7.Figure 3-7.

Leak Check Wizard screen

with completed valve

position unavailable.

13. The Select Valve Position screen will once again display this time with the just completed valve position unavailable. Select the second valve position (Figure 3-8) and select the Next > button.

Figure 3-8.Figure 3-8.

Figure 3-8.

Figure 3-8.Figure 3-8.

Leak Check Wizard screen

with second valve position.

14. The Replace Inlet screen will display. Slowly open the leak check valve to restore flow to the system. Remove the flow audit/leak check adapter and attach the inlet to the top of the sample inlet tube (Figure 3-5). Select the Next > button.

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Figure 3-9.Figure 3-9.

Figure 3-9.

Figure 3-9.Figure 3-9.

Leak Check Wizard screen

with both valve positions

disabled.

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After completing the leak check with the FDMS in both the base and reference positions, the select valve position screen will again appear, but this time with both valve position buttons disabled. Select the Next > button.

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15. The Completing the Leak Check Wizard screen will display. If the leak check passes, a “You have successfully completed the Leak Check” message will display (Figure 3-9).

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Figure 3-10.Figure 3-10.

Figure 3-10.

Figure 3-10.Figure 3-10.

Leak Check Wizard finish

screen with pass message.

Figure 3-11.Figure 3-11.

Figure 3-11.

Figure 3-11.Figure 3-11.

Leak Check Wizard finish

screen with fail message.

Note.Note.

Note. If the leak check failed with the FDMS valve in either the base,

Note.Note. reference, or both positions, the complete leak check wizard screen will appear and indicate in which valve position the leak check failed. ▲

3-10 OPERATING GUIDE, TEOM 1405-DF

15. Install a new TEOM filter in the mass transducer (Section 5).

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Storing DataStoring Data

Storing Data

Storing DataStoring Data

Figure 3-12.Figure 3-12.

Figure 3-12.

Figure 3-12.Figure 3-12.

Settings screen.

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The unit stores only those variables selected by the user. If instrument variables are not set up to be logged, THEY WILL NOT BE SAVED.

To select data storage variables:To select data storage variables:

To select data storage variables:

To select data storage variables:To select data storage variables:

1. Select the Settings menu button to display the Settings screen (Figure 3-12).

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2. When in the Settings screen, select the Data Storage button to display the Data Storage screen (Figure 3-13).

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Figure 3-13.Figure 3-13.

Figure 3-13.

Figure 3-13.Figure 3-13.

Data Storage screen.

3. When in the Data Storage screen, select the Edit List button to display the Edit Data Storage screen. Press the names of the variables you wish to log, up to the maximum allowed of 30. Use the Next Page > and < Previous Page buttons to scroll through the entire list of variables which can be stored. Select the OK button when all the desired variables have been selected.

4. Use the

∨∨

∨ and

∨∨

∧∧

∧ buttons to scroll through the list of selected variables

∧∧

to ensure that all desired variables are selected.

5. When in the Data Storage screen, select the Storage Interval button to select the interval for data storage. Enter the desired data storage interval into the keypad and select the Enter button. For example, if the storage interval is 10 seconds, every 10 seconds the instrument will log (save) the data in the selected variables.

6. The storage order of the variables may be set by moving individual storage registers up or down in the list on the screen. To adjust the order, touch the desired variable and then move the position by pressing the

∨∨

∨ and

∨∨

∧∧

∧ arrows to the right of the data variable list. For

∧∧

this ordering to work properly with data dwonloads, version 1.40 or later of ePort is required.

3-12 OPERATING GUIDE, TEOM 1405-DF

7. When all the desired variables are selected and the Storage Interval is set, select the < Back button to return to the Settings screen.

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Downloading DataDownloading Data

Downloading Data

Downloading DataDownloading Data

Figure 3-14.Figure 3-14.

Figure 3-14.

Figure 3-14.Figure 3-14.

Back of instrument.

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The ePort software allows users to download data from the TEOM 1405DF monitor using a personal computer (PC) with the Windows XP or later operating system. The monitor must be attached to a local area network (LAN) or directly to a router using the Ethernet connection on the back of the instrument (Figure 3-14). In order to use ePort, it must have a valid IP address.

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Ethernet connection

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Installing ePortInstalling ePort

Installing ePort

Installing ePortInstalling ePort

Figure 3-15.Figure 3-15.

Figure 3-15.

Figure 3-15.Figure 3-15.

ePort Welcome to InstallShield

Wizard screen.

Users must first install the ePort software on a personal computer (PC) connected to the same network as the TEOM 1405-DF that data will be downloaded from. At the same time the ePort software is installed, the installer will install Microsoft .NET Framework software if the PC does not already have an up-to-date version of .NET Framework.

To install the ePort software:To install the ePort software:

To install the ePort software:

To install the ePort software:To install the ePort software:

1. Locate and double-click on the “setup ePort _XX.exe” file (where “XX” is the version number)on the software CD that came with the TEOM 1405-DF monitor. The “Welcome to InstallShield Wizard” screen will display (Figure 3-15).

3-14 OPERATING GUIDE, TEOM 1405-DF

2. Select the “Install” button.

3. The wizard will display the software license agreement. Select “Yes,” then select the Next > button.

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Figure 3-16.Figure 3-16.

Figure 3-16.

Figure 3-16.Figure 3-16.

Windows Update notice.

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4. The Windows update screen will display (Figure 3-16). If you have recently updated your Windows XP software, select the Next > button.

Note.Note.

Note. The ePort software MUST be installed on a PC with the

Note.Note. latest Windows XP or later updates. If you have not updated your Windows system, select the “Cancel” button and use the Windows Update function of the PC to update the operating system before attempting to install the ePort software.

▲

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5. The Customer Information screen will display. Type in the information and select the Next > button.

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Figure 3-17.Figure 3-17.

Figure 3-17.

Figure 3-17.Figure 3-17.

Ready to Install the Program

6. The Ready to Install Program screen will display (Figure 3-17). Select the Install button.

screen.

Figure 3-18.Figure 3-18.

Figure 3-18.

Figure 3-18.Figure 3-18.

InstallShield Wizard

Completed screen.

7. The wizard will post messages showing the progress of the installation. When the process is complete, the Finish screen will display (Figure 3-

18). Select the Finish button.

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Figure 3-19.Figure 3-19.

Figure 3-19.

Figure 3-19.Figure 3-19.

Microsoft .NET Framework

Welcome screen.

ASIC O PERATION

8. If the PC does not have an up-to-date version of Microsoft .NET Framework software, the system will automatically begin installing that software. The Microsoft .NET Framework Welcome screen will display (Figure 3-19). Select the Next > button.

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9. Select Install. The system will begin installing the Microsoft .NET Framework software. The wizard will post progress messages during the installation.

Note.Note.

Note. If the Microsoft .NET Framework software is already

Note.Note. installed on the PC, the wizard will ask you to Repair or Remove the software. Select on the PC, or select

Repair Repair

Repair to ensure the latest version is installed

Repair Repair

Cancel Cancel

Cancel to skip the Microsoft .NEW Framework

Cancel Cancel

installation. ▲

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Figure 3-20.Figure 3-20.

Figure 3-20.

Figure 3-20.Figure 3-20.

Microsoft .NET Framework

Setup Complete screen.

10. When the installation is complete, the Setup Complete screen will display (Figure 3-20). Select the Finish button to complete the ePort and Microsoft .NET Framework installation.

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Connecting to theConnecting to the

Connecting to the

Connecting to theConnecting to the

TEOM 1405-DF UnitTEOM 1405-DF Unit

TEOM 1405-DF Unit

TEOM 1405-DF UnitTEOM 1405-DF Unit

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When the ePort software is installed, and the TEOM 1405-DF unit and the PC are connected to the same network, the software can connect to the instrument and download data. Additional Technical Notes regarding information on connecting to instruments over the network are offered in the library on our website at

www.thermo.com/aqi.

Once you have connected to an instrument (or instruments) and saved a configuration file, select Open Saved Configuration in the ePort Open screen to open that configuration and automatically connect to all the instruments that were saved in that configuration.

To connect to the instrument:To connect to the instrument:

To connect to the instrument:

To connect to the instrument:To connect to the instrument:

1. Ensure that the PC and the instrument are connected to the same network using the Ethernet connection on the back of the instrument. (Refer to the previous section for information on connecting the instrument to a network.)

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Figure 3-21.Figure 3-21.

Figure 3-21.

Figure 3-21.Figure 3-21.

System Status screen.

IP address

2. In the System Status screen of the machine from which you want to download data, locate and record the IP address (Figure 3-21) of that unit.

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Figure 3-22.Figure 3-22.

Figure 3-22.

Figure 3-22.Figure 3-22. ePort Main screen with Open screen.

3. Start the ePort PC software, using the icon on the PC desktop or the Start menu of the PC. The ePort Main screen with the Open screen will display (Figure 3-22).

3-20 OPERATING GUIDE, TEOM 1405-DF

4. In the ePort Open screen (Figure 3-22), select create new configuration. A blank ePort Main screen will display.

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Figure 3-23.Figure 3-23.

Figure 3-23.

Figure 3-23.Figure 3-23.

Selecting New Instrument from

the menu bar.

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5. Select Instrument then New Instrument from the menu bar at the top of the ePort Main screen (Figure 3-23).

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Figure 3-24.Figure 3-24.

Figure 3-24.

Figure 3-24.Figure 3-24.

Add New Instrument screen.

6. The Add New Instrument screen will display (Figure 3-24). Enter the IP address, the name assigned to the instrument and the group (if any) assigned to the instrument and select the OK button.

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Figure 3-25.Figure 3-25.

Figure 3-25.

Figure 3-25.Figure 3-25. ePort Main screen with instrument information displayed.

7. The ePort Main screen will display with the selected instrument displayed in the top window (Figure 3-25). Repeat the process to add additional instruments to the list.

8. To save this as a configuration, select File then Save from the menu bar at the top of the Main screen. The Save As screen will display. Type in the desired name for the configuration and select Save.

NoteNote

Note. Once you have connected to an instrument (or instruments)

NoteNote and saved a configuration file, select

Open Saved ConfigurationOpen Saved Configuration

Open Saved Configuration

Open Saved ConfigurationOpen Saved Configuration in the ePort Open screen to open that configuration and automatically connect to all the instruments that were saved in that configuration. ▲

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Finding InstrumentsFinding Instruments

Finding Instruments

Finding InstrumentsFinding Instruments

On a NetworkOn a Network

On a Network

On a NetworkOn a Network

Figure 3-26.Figure 3-26.

Figure 3-26.

Figure 3-26.Figure 3-26. ePort Main screen with “Searching for Instruments...” message.

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You may use the ePort software to search for all instruments connected to the local network.

This function will only locate instruments on a local network. To connect to instruments on other connected networks, you must know the IP address of the instruments and connect to the unit manually using the New Instrument function of the software (Figure 3-23). Refer to the previous section for information on connecting to an instrument off the local network. Instruments on a network must have a unique IP address, or be connected through a router.

To locate all instruments on the network:To locate all instruments on the network:

To locate all instruments on the network:

To locate all instruments on the network:To locate all instruments on the network:

1. Open the ePort software program and select “Find Samplers” in the Open screen (Figure 3-22).

2. The ePort Main screen will display with a “Searching for Instruments...” message. As instruments are located by the software they will be added to the list in the Instrument frame on the left side of the screen (Figure 3-26).

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Figure 3-27.Figure 3-27.

Figure 3-27.

Figure 3-27.Figure 3-27.

Adding or deleting an

instrument from the list.

3. All instruments located on the local network will be displayed in the Instrument frame on the left side of the Main screen. To edit a displayed instrument or delete an instrument from the list, right-click on the instrument and select Edit Instrument or Delete Instrument (Figure 3-27).

NoteNote

Note. To add an instrument from another network connected to

NoteNote the local network select

Instrument Instrument

Instrument then

Instrument Instrument

New Instrument New Instrument

New Instrument from

New Instrument New Instrument the menu bar. Refer to the previous section for more information on manually adding an instrument to the configuration. ▲

3-24 OPERATING GUIDE, TEOM 1405-DF

4. To save this list as a configuration, select File then Save from the menu bar at the top of the Main screen. The Save As screen will display. Type in the desired name for the configuration and select Save.

NoteNote

Note. Once you have connected to an instrument (or instruments)

NoteNote and saved a configuration file, select

Open Saved ConfigurationOpen Saved Configuration

Open Saved Configuration

Open Saved ConfigurationOpen Saved Configuration in the ePort Open screen to open that configuration and automatically connect to all the instruments that were saved in that configuration. ▲

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Setting Up forSetting Up for

Setting Up for

Setting Up forSetting Up for

Manual Data DownloadsManual Data Downloads

Manual Data Downloads

Manual Data DownloadsManual Data Downloads

Figure 3-28.Figure 3-28.

Figure 3-28.

Figure 3-28.Figure 3-28. ePort Main screen.

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Data can be manually downloaded from the TEOM 1405-DF monitor through the built-in Ethernet connection using the ePort software.

To set up the software to manually download data:To set up the software to manually download data:

To set up the software to manually download data:

To set up the software to manually download data:To set up the software to manually download data:

2. Use the ePort PC software to connect to the instrument and display the ePort Main screen (Figure 3-28). (Refer to the previous two sections for information on connecting to the instrument or instruments.)

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Figure 3-29.Figure 3-29.

Figure 3-29.

Figure 3-29.Figure 3-29.

Download Setup Wizard.

3. Select Download Setup in the Commands window of the ePort Main screen. The Download Setup Wizard will display (Figure 3-29). Select the Next > button.

4. The Select Data screen will display. Select the data to download (either all data on the instrument or the data since the last download). Select the Next > button.

5. The Select Location screen will display. Use the Browse button to select a location for the data file downloaded by the software. Select the Next > button.

6. The Download Type screen will display. Select manual downloads. Select the Next > button.

7. The Completing the Download Setup Wizard screen will display. Select the Finish button.

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Setting Up forSetting Up for

Setting Up for

Setting Up forSetting Up for

Automatic DataAutomatic Data

Automatic Data

Automatic DataAutomatic Data

DownloadsDownloads

Downloads

DownloadsDownloads

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Users can set up automatic downloads for the TEOM 1405-DF monitor using the ePort software.

To set up the software to automatically download data:To set up the software to automatically download data:

To set up the software to automatically download data:

To set up the software to automatically download data:To set up the software to automatically download data:

2. Use the ePort PC software to connect to the instrument and display the ePort Main screen (Figure 3-28). (Refer to the previous sections for information on connecting to the instrument or instruments.)

3. Select Download Setup in the Commands window of the ePort Main screen. The Download Setup Wizard will display (Figure 3-29). Select the Next > button.

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4. The Select Data screen will display. Select the data to download (either all data on the instrument or the data since the last download). Select the Next > button.

5. The Select Location screen will display. Use the Browse button to select a location for the data file downloaded by the software. Select the Next > button.

6. The Download Type screen will display. Select automatic downloads. Select the Next > button.

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Figure 3-30.Figure 3-30.

Figure 3-30.

Figure 3-30.Figure 3-30.

Download Setup Wizard.

7. The Download Schedule screen will display (Figure 3-30). Select a starting date and time, and a download frequency (daily, weekly, hourly). Select the Next > button.

8. The Completing the Download Setup Wizard screen will display. Select the Finish button.

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Performing aPerforming a

Performing a

Performing aPerforming a

Data DownloadData Download

Data Download

Data DownloadData Download

Figure 3-31.Figure 3-31.

Figure 3-31.

Figure 3-31.Figure 3-31. ePort Main screen.

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To download data:To download data:

To download data:

To download data:To download data:

1. Ensure that the PC and the instrument are connected to the same network using the Ethernet connection on the back of the instrument. (Refer to the Connecting to the TEOM 1405-DF Unit section for information on connecting the instrument to a network.)

2. Use the ePort PC software to connect to the instrument and display the ePort Main screen (Figure 3-31). (Refer to the Connecting to the TEOM 1405-DF Unit section for information on connecting to the instrument.)

NoteNote

Note. Once you have connected to an instrument (or instruments)

NoteNote and saved a configuration file, select

Open Saved ConfigurationOpen Saved Configuration

Open Saved Configuration

Open Saved ConfigurationOpen Saved Configuration in the ePort Open screen to open that configuration and automatically connect to all the instruments that were saved in that configuration. ▲

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Figure 3-32.Figure 3-32.

Figure 3-32.

Figure 3-32.Figure 3-32.

Download Data screen.

3. Select Download Data in the Commands window of the ePort Main screen. The Download Data screen will display (Figure 3-32).

4. Select the Begin Download button. The ePort software will download data based on the settings created in the Download Setup wizard. (Refer to the previous section for information on setting up downloads.) The message window will display a “Downloading Data” message while the software is downloading data from the instrument. When the download is complete, it will display a “Download Complete” message. Select the Done button to exit the Download Data screen.

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Downloading DataDownloading Data

Downloading Data

Downloading DataDownloading Data

o a Flash Driveo a Flash Drive

o a Flash Drive

o a Flash Driveo a Flash Drive

Figure 3-33.Figure 3-33.

Figure 3-33.

Figure 3-33.Figure 3-33.

Download Data to USB

Flash Drive screen.

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The TEOM 1405-DF also supports data downloads using the USB connection on the front of the instrument and a USB flash drive.

Note.Note.

Note. Due to the size of the storage buffer, downloading all stored data

Note.Note. may take 30 minutes or more.

To download data using the USB connection:To download data using the USB connection:

To download data using the USB connection:

To download data using the USB connection:To download data using the USB connection:

▲

1. Plug a flash drive into the USB connection on the front of the instrument. The Download Data to USB Flash Drive screen will display (Figure 3-33).

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2. To continue with the download, select the Yes button. To cancel select the No button, then remove the USB drive.

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Figure 3-34.Figure 3-34.

Figure 3-34.

Figure 3-34.Figure 3-34.

Select Data screen.

3. The Select Data screen will display (Figure 3-34). Select the From the beginning button to download all the data on the instrument. Select

the From last download button to download only the data stored since the last data download. Select the OK button.

4. The instrument will display a “downloading data” message and begin transferring data to the USB drive.

Note.Note.

Note. Do not remove the USB drive from the instrument while the

Note.Note. data is downloading. ▲

5. When the data download is complete, the instrument will display a “Download complete” message and display the file name as it is stored on the USB flash drive. (The file name format is the instrument serial number followed by a date/time stamp.) Remove the USB flash drive and select the OK button to continue.

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ViewingViewing

Viewing

ViewingViewing

Downloaded DataDownloaded Data

Downloaded Data

Downloaded DataDownloaded Data

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Data files are downloaded and saved as “.csv” files (.txt files through USB) that can be opened and viewed with Microsoft Excel. The file name format is the instrument serial number followed by a date/time stamp.

The data files will be saved to the folder selected using the Download Setup Wizard. Refer to the Setting Up for a Data Download section for information on setting up a data folder. The default folder location is:

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Figure 3-35.Figure 3-35.

Figure 3-35.

Figure 3-35.Figure 3-35. Data .csv file opened in Excel.

C:\Program Files\Thermo\ePort\Data

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User I/OUser I/O

User I/O

User I/OUser I/O

ConnectionsConnections

Connections

ConnectionsConnections

Figure 3-36.Figure 3-36.

Figure 3-36.

Figure 3-36.Figure 3-36.

USER I/O connector.

The TEOM 1405 allows users additional analog input and analog and digital output capabilities using the 25-pin “USER I/O” connector on the back of the instrument.

The female 25-pin USER I/O connector (Figures 3-36) has connections for eight analog output, four analog input and two digital output (contact closure) connections.

Figure 3-37.Figure 3-37.

Figure 3-37.

Figure 3-37.Figure 3-37.

25-pin connector.

Thermo Scientific offers a 25-pin male connector manufactured by Phoenix Contact that can be wired to match to the USER I/O connector on the back of the instrument. (Figure 3-37).

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USER I/OUSER I/O

USER I/O

USER I/OUSER I/O

Pin AssignmentsPin Assignments

Pin Assignments

Pin AssignmentsPin Assignments

Figure 3-38.Figure 3-38.

Figure 3-38.

Figure 3-38.Figure 3-38.

1405 USER I/O pin

assignments.

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Wire the desired analog input, analog output or digital output connections to the Phoenix Contact 25-pin male connector according to the manufacturer’s instructions and the pin assignments of the TEOM 1405 (Figure 3-38 and Table 3-1).

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Table 3-1.Table 3-1.

Table 3-1.

Table 3-1.Table 3-1.

1405 USER I/O pin

assignments.

lennahClennahC

lennahClennahC niPniP

lennahC

1tuptuogolanA1 dnuorg1tuptuogolanA41

2tuptuogolanA2 dnuorg2tuptuogolanA51

3tuptuogolanA3 dnuorg3tuptu

4tuptuogolanA4 dnuorg4tuptuogolanA61

5tuptuogolanA71dnuorg5tuptuogolanA5

6tuptuogolanA

7tuptuogolanA6 dnuorg7tuptuogolanA91

8tuptuogolanA7 dnuorg8tuptuogolanA

1tupnigolanA02dnuorg1tupnigolanA8

tupnigolanA12dnuorg2tupnigolanA9

3tupnigolanA22dnuorg3tupnigolanA01

4tupnigolanA32dnuorg4tupnigolanA11

iD42-1O/IlatigiD21

+1O/Ilatig

+2O/IlatigiD52-2O/IlatigiD

niPniP lennahClennahC

niP

lennahClennahC niPniP

lennahC

ogolanA61

olanA5

dnuorg6tuptuog

niPniP

niP

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When the 25-pin Phoenix Contact connector is attached to the unit with the wired digital or analog device connections, the inputs/outputs must be set up using the TEOM 1405 software screens:

When in the Instrument Conditions screen, select the Analog Inputs button to set up the analog inputs (1-4) and convert the incoming voltage to the desired scale. The analog inputs are self-calibrating.

When in the Settings screen, select the Analog & Digital Outputs screen to set up the analog outputs (1-8) and digital outputs (contact closures 1-

2):

• When in the Analog & Digital Outputs screen, select the Analog Outputs button to set a minimum and maximum value for the output for the desired output channel. Refer to Section 5 for information on calibrating the analog outputs.

• When in the Analog & Digital Outputs screen, select the Contact Closure button to select a variable, operator and compare value for the desired contact closure channel (1-2).

Refer to Section 4 for complete information on setting the inputs/outputs in the Analog Inputs and Analog & Digital Outputs screens.

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Figure 4-1.Figure 4-1.

Figure 4-1.

Figure 4-1.Figure 4-1.

Title screen.

Section 4Section 4

Section 4

Section 4Section 4

This section describes the screens shown in the instrument software and the system’s operating modes, as well as how to change instrument settings.

When the instrument is started, it will display the Title screen for a few seconds (Figure 4-1) after the initialization process.

Screens and Settings Screens and Settings

Screens and Settings

Screens and Settings Screens and Settings

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The Title screen includes the instrument model and the firmware version of the instrument.

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TEOM Data ScreenTEOM Data Screen

TEOM Data Screen

TEOM Data ScreenTEOM Data Screen

Figure 4-2.Figure 4-2.

Figure 4-2.

Figure 4-2.Figure 4-2.

TEOM Data screen with menu

buttons, status and operating and

lock modes highlighted.

MENU BAR/ MENU BUTTONS

After the Title screen, the TEOM Data screen will automatically display (Figure 4-2). The TEOM Data screen shows the basic operating information, as well as status conditions and the instrument operating mode. The TEOM Data screen can be displayed by selecting the TEOM Data button in any of the other four main screens (System Status, Instrument Conditions, Settings, Service).

SCREEN INFO

STATUS BAR

Instrument mode

Status conditions/ warning(s)

Lock mode

Current date/time

The TEOM Data screen includes menu buttons allowing users to access the other main screens. The status bar at the bottom of the screen displays operating information, including the current operating mode, lock mode and date and time, as well as the current status (“Normal” or “Warning(s)”).

Note.Note.

Note. Upon initial instrument start up, the values in the mass

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The TEOM Data screen contains the following information:

• MC (μg/m

): This field contains the mass concentration values for the PM-

2.5 and PM-Coarse channels, as well as the PM-10 average. The unit calculates the mass concentration (MC) value by subtracting the Ref MC from the Base MC. This is a one-hour average updated every 6 minutes. This value cannot be changed by the user.

• 01-Hr MC (μg/m3): This field contains the 1-hour mass concentration averages for the PM-2.5 and PM-Coarse channels, as well as the PM-10 average. This is a sliding average that is updated every 60 minutes on the hour. This value cannot be changed by the user.

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• 08-Hr MC (μg/m

): This field contains the XX-hour mass concentration

averages for the PM-2.5 and PM-Coarse channels, as well as the PM-10 average. The user may set value to any whole number greater than 1. This is a sliding average that is updated every 60 minutes on the hour. This value cannot be changed by the user.

NoteNote

Note. Mass concentration averages of less than 24 hours can be

NoteNote averaged using data logging equipment to compute sliding 24hour averages and 24-hour averages that do not necessarily start and end at midnight, as well as averages on other user-defined time scales. ▲

• 12-Hr MC (μg/m3): This field contains the 12-hour mass concentration averages for the PM-2.5 and PM-Coarse channels, as well as the PM-10 average. This is a sliding average that is updated every 60 minutes on the hour. This value cannot be changed by the user.

• 24-Hr MC (μg/m3): This field contains the 24-hour mass concentration averages for the PM-2.5 and PM-Coarse channels, as well as the PM-10 average. This is a sliding average that is updated every 60 minutes on the hour. This value cannot be changed by the user.

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• Frequency: This field contains the oscillating frequency of the tapered element (TE) in the mass transducer. This value varies from one TEOM 1405-DF unit to another, but generally ranges between 150 and 400 Hz. This value cannot be changed by the user.

• Noise: This field contains the mass transducer’s performance. This value should be less than “0.10” after the system has been in Operating Mode 4 for at least 30 minutes. This value cannot be changed by the user.

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• Filter loading: This field contains the filter loading percentage (Section 5). It indicates the portion of the TEOM filter’s total capacity that has been used. The instrument will always show a nonzero value even if no filter is mounted in the mass transducer. New filters generally exhibit filter loading percentages of 15% to 30% at a flow rate of 3 l/min, and less at lower flow rates. TEOM filter cartridges must be exchanged before this value reaches 100% to ensure the validity of the data generated by the instrument. At some point above 100%, the main flow drops below its set point. If the filter loading percentage is higher than 30% when a new TEOM filter is placed on the mass transducer, or if the lifetime of consecutive TEOM filter cartridges becomes noticeably shorter, inspect the in-line filters for the PM-2.5 and coarse flow lines (Section 5) and replace them, if necessary.

In addition to the information indicated above, the instrument may be configured to calculate equivalent MC values for the U.S. EPA or other agencies. For U.S. EPA PM-2.5 reporting, this configuration must be selected and data recorded. Refer to Section 4 for instructions to configure this setting. If this configuration is not selected, this column will not appear on the display.

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Figure 4-3.Figure 4-3.

Figure 4-3.

Figure 4-3.Figure 4-3.

Number entry keypad showing

current value and setpoint.

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Users enter values into the settings screens using a number keypad (Figure 4-3). Select the button for the value that needs to be changed, such as setpoints for flow rates, temperatures or pressures, and a keypad will automatically display. The keypad will display the current setpoint and the current value (when applicable). Enter the value into the keypad, then select the Enter button to set the value or press the Cancel button to exit the keypad screen and return to the screen.

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Operating ModeOperating Mode

Operating Mode

Operating ModeOperating Mode

The TEOM 1405-DF Monitor displays its current operating mode in the lower left-hand corner of TEOM Data screen (Figure 4-2) and most of the other instrument screens.

The unit’s operating modes (Figure 4-2) are defined as follows:

• Stabilizing: This operating mode indicates that the unit has not begun to compute mass values, because the monitor’s temperatures and flow rates are stabilizing. The temperatures and flow rates must remain within a very narrow range of values for 30 minutes before the instrument enters the next operating mode. The monitor always starts in Stabilizing Mode when it is turned on or reset.

• Collecting Data: This operating mode indicates that the unit has begun to collect data records, but the monitor has not yet computed its first mass concentration value.

• Computing Data: This operating mode indicates that the unit has computed the first mass concentration value.

• Fully operational: This operating mode indicates that the unit is fully operational. The monitor normally resides in this mode. All mass values are being computed by the instrument.

• Setup Mode: When the unit is in this operating mode, it continues to draw a sample flow and maintain operational temperatures but it does not collect any data. Certain operating parameters such as temperatures and flow rates can be changed only in this mode, because doing so during data collection would adversely affect the quality of the data. The instrument will automatically prompt the user to enter the Setup Mode when changing a temperature, flow or other adjustable value. After the new value is entered and saved, it will automatically return to one of the four regular operating modes above. If several parameters need to be changed, the user can enter the Setup Mode manually, avoiding the warning prompts when changing each variable. To manually enter the Setup Mode, select the Instrument Control button in the Service screen (page 4-32). In the Instrument Control screen (page 4-34), press the Setup button. When the unit is in the Setup Mode, the user can change all of the system’s parameters. To manually leave the Setup Mode and start data collection, when in the Instrument Control screen, select the Run button.

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• Stop All Mode: Certain situations may arise in which the user may want to turn off all temperatures and flows in the instrument. To enter the Stop All Mode, select the Instrument Control button in the Service screen (page 4-32). In the Instrument Control screen select the Stop button (page 4-34). When the unit is in this operating mode, it suspends operation of the instrument. In this mode, data collection ceases, flow rates in the system drop to zero, and the output to the temperature circuits is turned off. Also, the monitor will reset its system variables to the original values that were set by the user. However, this does not set the unit to its default parameters. The instrument will remain in the Stop All Mode until you select the Run button in the Instrument Control screen.

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System StatusSystem Status

System Status

System StatusSystem Status

ScreenScreen

Screen

ScreenScreen

Figure 4-4.Figure 4-4.

Figure 4-4.

Figure 4-4.Figure 4-4.

TEOM Data screen with

“Normal status” message.

The current status condition is located in the status bar at the bottom of the TEOM Data screen (Figure 4-4), and most other instrument screens. If there are no status conditions, the field at the bottom of the screen will read “Normal status” (Figure 4-4). If there are status conditions present, the field at the bottom of the screen will read “Warning(s)” and a warning triangle will appear in the instrument title bar at the top of the screen (Figure 4-5). In data files, status codes are reported as decimal/ hexadecimal numbers (Appendix A).

Figure 4-5.Figure 4-5.

Figure 4-5.

Figure 4-5.Figure 4-5.

TEOM Data screen with

“Warning(s)” message and

warning triangle.

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Figure 4-6.Figure 4-6.

Figure 4-6.

Figure 4-6.Figure 4-6.

System Status screen.

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Whenever a status warning is displayed, select the System Status button to display the System Status screen (Figure 4-6). The System status screen provides basic operating information and access to the list of the current active status warnings.

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Figure 4-7.Figure 4-7.

Figure 4-7.

Figure 4-7.Figure 4-7.

Warnings screen.

To view the current status warnings, select the View Warnings button or touch the warning triangle (or the title bar) when it is visible in any screen. The Warnings screen will display (Figure 4-7). Select the < Previous Warning and Next Warning > buttons to view the status warnings.

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InstrumentInstrument

Instrument

InstrumentInstrument

Conditions ScreenConditions Screen

Conditions Screen

Conditions ScreenConditions Screen

Figure 4-8.Figure 4-8.

Figure 4-8.

Figure 4-8.Figure 4-8.

Instrument Conditions screen.

The Instrument Conditions button displays the Instrument Conditions screen (Figure 4-8), and provides access to several temperature and flow settings and the current ambient air conditions for the instrument.

When in the Instrument Conditions screen, select the Ambient

Conditions, Instrument Temperatures, Flows, Analog Inputs, and FDMS Module buttons to reach the desired screens (Figure 4-9).

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Figure 4-9.Figure 4-9.

Figure 4-9.

Figure 4-9.Figure 4-9.

Screens accessible through the

Instrument Conditions screen.

SES

Dryer Temp (PM-2.5, coarse)

Dryer dew point (PM-2.5,

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CREENS AND SETTINGS

coarse)

Dryer RH (PM-2.5, coarse)

temp set point

Edit coarse cooler

Set point

Edit Avg Pressure

Instrument

FDMS

Base MC (PM-2.5, coarse)

Ref MC (PM-2.5, coarse)

30-min Base MC (PM-2.5, coarse)

Dryer Temp (PM-2.5, coarse)

Dryer dew point (PM-2.5, coarse)

Cooler Temp (PM-2.5, coarse)

Current valve position

Analog Input

Analog Input channel 1

Analog input channel 2

Analog input channel 3

Analog input channel 4

Conditions

Flows

Instrument Temperatures

Case Temperature

Cap Temperature

Air tube temperature (PM-

2.5, coarse)

Edit analog input

channel settings

temp set point

Edit PM-2.5 cooler

Flow Control

Passive or Active

Report to Actual or Standard Conditions

set point

Edit coarse flow

set point

Edit bypass flow

set point

Edit PM-2.5 flow

Edit coarse air

Edit PM-2.5 air tube

tube temp set

temp set point

point

Flow Rates

PM-2.5 flow rate

Coarse flow rate

Bypass flow rate

Total flow

point

Edit Avg Temp Set

Set point

Edit Std Pressure

point

Edit Std Temp Set

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Legend

Options always displayed and active:

Options which are hidden when not available:

Ambient Conditions

Edit Cap temp set

Ambient Temperature

Ambient Pressure

Ambient Dew Point

Ambient RH

set point

Edit Case temp

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Ambient ConditionsAmbient Conditions

Ambient Conditions

Ambient ConditionsAmbient Conditions

Ambient Conditions screen.

ScreenScreen

Screen

ScreenScreen

Figure 4-10.Figure 4-10.

Figure 4-10.

Figure 4-10.Figure 4-10.

The Ambient Conditions screen (Figure 4-10) shows the current ambient conditions for the monitor.

The Ambient Conditions screen contains the following information:

• Ambient Temperature. This field contains the current ambient temperature (°C) at the site. This value cannot be edited and will be correct only when the ambient temperature/humidity sensor is properly installed.

• Ambient Pressure. This field contains the current ambient pressure (atm) at the site. This value cannot be edited.

• Ambient Dew Point. This field contains the current ambient dew point (°C) at the site. This value cannot be edited and will be correct only when the ambient temperature/humidity sensor is properly installed.

• Ambient Relative Humidity. This field contains the current ambient pressure (atm) at the site. This value cannot be edited and will be correct only when the ambient temperature/humidity sensor is properly installed.

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Flows ScreenFlows Screen

Flows Screen

Flows ScreenFlows Screen

Figure 4-11.Figure 4-11.

Figure 4-11.

Figure 4-11.Figure 4-11.

Flows screen.

CREENS AND SETTINGS

The Flows screen (Figure 4-11) offers access to the flow rates and flow controls of the unit.

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Select the Flow Rates button to view or adjust the instrument’s flow rates. Select the Flow Control button to view or adjust the units standard temperature and pressure settings or select active or passive flow control.

The TEOM 1405-DF Monitor uses mass flow controllers to ensure a constant and precise flow through the instrument. The mass flow controllers use the actual (active volumetric flow control setting) or average (passive volumetric flow control setting) temperature and pressure values to regulate the volumetric flow through the system. The active volumetric flow control setting directs the unit to use the actual ambient temperature and pressure to regulate the volumetric flow through the system. The passive volumetric flow control setting directs the unit to use the average temperature and pressure values to regulate the volumetric flow through the system. Refer to the following sections for information on setting flow rates and flow controls.

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Flow Rates ScreenFlow Rates Screen

Flow Rates Screen

Flow Rates ScreenFlow Rates Screen

Figure 4-12.Figure 4-12.

Figure 4-12.

Figure 4-12.Figure 4-12.

Flow Rates screen.

Select the Flow Rates button in the Flows screen to display the Flow Rates screen (Figure 4-12). This screen allows users to adjust the flow rates for the PM-Coarse, PM-2.5 and bypass flow channels.

The Flow Rates screen contains the following controls buttons:

• PM-2.5 path flow rate. This field contains the current value of the PM-2.5 path flow rate (l/min). The default setting is 3 l/min. To view or adjust the setpoint, select the button to display the keypad (Figure 4-3). The current value can not be edited.

• Coarse path flow rate. This field contains the current value of the PM-Coarse path flow rate (l/min). The default setting is 1.67 l/min. To view or adjust the setpoint, select the button to display the keypad (Figure 4-3). The current value can not be edited.

• Bypass flow rate. This field contains the current value of the bypass flow rate. The default setting is 12 l/min. To view or adjust the setpoint, select the button to display the keypad (Figure 4-3). The current value can not be edited.

• Total flow. This field contains the current value of the total flow rate of the instrument (l/min). The current value can not be edited.

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Flow Control ScreenFlow Control Screen

Flow Control Screen

Flow Control ScreenFlow Control Screen

Figure 4-13.Figure 4-13.

Figure 4-13.

Figure 4-13.Figure 4-13.

Flow Control screen.

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CREENS AND SETTINGS

Select the Flow Control button in the Flows screen to display the Flow Control screen (Figure 4-13). This screen allows users to adjust the flow control method.

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The Flow Control screen contains the following control buttons:

• Volumetric Flow Control (Active or Passive). These buttons allow the user to select “active” (using actual temperature and pressure) or “passive” (using average temperature and pressure) to adjust the flow.

• Report to the following conditions: (Actual or Standard). These buttons allow the user to select “Actual” reporting (the mass concentration measured per actual volume sampled through the inlet) or “Standard” reporting (the mass concentration adjusted based on a set standard temperature and pressure).

• Standard temperature. This field contains the standard temperature (°C) setting. The default setting is 25° C. To adjust the setpoint, select the button to display the keypad (Figure 4-3).

• Average temperature. This field (visible only when passive is selected) contains the average temperature (°C) setting for passive flow control. The default setting is 25° C. To adjust the setpoint, select the button to display the keypad (Figure 4-3).

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• Standard pressure. This field contains the standard pressure (atm) setting. The default setting is 1 atm. To adjust the setpoint, select the button to display the keypad (Figure 4-3).

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CREENS AND SETTINGS

• Average pressure. This field (visible only when passive is selected) contains the average pressure (atm) setting for passive flow control. The default setting is 1 atm. To adjust the setpoint, select the button to display the keypad (Figure 4-3).

The instrument is delivered with the following temperature and pressure settings:

Standard temperature 25° C Standard pressure 1 atmosphere (atm) Average temperature 25° C Average pressure 1 atmosphere (atm)

The user must choose how they want the monitor to control the volumetric flow: actively or passively:

• Active Flow Control uses actual ambient pressure and ambient temperature from instrument sensors to set the flow rates

• Passive Flow Control uses operator input ambient temperature and ambient pressure to control flow. At their discretion, operators can input seasonal average temperature and pressure.

To select active flow control, select the Active flow control button (Figure 4-13). To use the actual temperature and pressure to control the volumetric flow, you must install the ambient temperature/humidity sensor The instrument’s mass flow controllers measure flow on a mass basis. All of the size-selective inlets, including the PM-10 inlet, operate on a constant volumetric flow basis.

If the user chooses to use passive flow control, they must select the Passive flow control button (Figure 4-13). The average temperature and average pressure, used by the instrument, may vary with season and altitude. If the user wants the unit to use the average temperature and pressure to control the volumetric flow, they should manually adjust the average temperature and average pressure settings as climatic conditions change. The user usually has to adjust the average pressure only once for the average barometric pressure at the sampling site (i.e., station pressure — not adjusted to sea level). However, the user generally must adjust the average temperature periodically (often 4 times per year) in accordance with changing average ambient temperatures.

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Thermo Fisher EPM-manual-1405DF TEOM 1405-DF: Dichotomous Ambient Particulate Monitor with FDMS Option

Specifications and Main Features

Frequently Asked Questions

User Manual