GE Sensing AT600 Operating Manual

AquaTrans™ AT600

User’s Manual

Flow

bhge.com

910-312 Rev. D

September 2017

AquaTrans™ AT600

Panametrics Ultrasonic Flow Meter for Liquids

User’s Manual

910-312 Rev. D September 2017

bhge.com

Baker Hughes reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation. Contact your BHGE representative for the most current information. The Baker Hughes logo is a trade mark of Baker Hughes, a GE company. The GE Monogram is a trademark of the General Electric Company.

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Contents

Product Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Terms and Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Typographical Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Safety Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Auxiliary Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .viii

Environmental Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix

Chapter 1. General Installation Instructions

1.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.3 Safety Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.4 Unpacking the AT600 system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.5 Installing the Electronics Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.6 Calculating the Transducer Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.7 Choosing a Clamp-On Fixture/Transducer Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.8 Mounting the Clamp-on Fixture and Transducer System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 2. Clamp-On Fixture and Transducer Installation

2.1 Installing an AT600 Clamp-On Fixture and Transducer System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

2.1.1 Transducer Spacing = 32 to 250 mm or 50 to 320 mm, Traverses = 2, Fixtures = 1 . . . . . . . . . . . . . . . . . 11

2.1.2 Transducer Spacing = 320 to 940 mm, Traverses = 2, Fixtures = 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.1.3 Transducer Spacing = 0 to 250 mm or 0 to 320 mm, Traverses = 1, Fixtures = 2 . . . . . . . . . . . . . . . . . . . .17

2.1.4 Transducer Spacing >320 mm, Traverses = 1, Fixtures = 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.2 Installing a CF-ES Clamp-On Fixture and Transducer System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

2.3 Installing a General Clamping Fixture and Transducer System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.3.1 Installing C-RS or C-PT Transducers with an RG316 Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.3.2 Installing C-RS or C-PT Transducers with an RG62 Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Chapter 3. Wiring the AT600 Electronics

3.1 Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

3.2 Wiring the Line Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

3.3 Wiring the Transducers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

3.4 Wiring the System Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.5 Wiring the Analog Output for HART Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.6 Wiring the Modbus Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3.7 Wiring the Frequency/Totalizer/Alarm Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3.8 Wiring the Gate Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Chapter 4. Initial Setup and Programming

4.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

4.2 AT600 Keypad Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

4.3 Display Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

AquaTrans™ AT600 User’s Manual iii

Contents

4.3.1 Changing the Display for One- or Two-Variable Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

4.3.2 Changing the Measurement Type for One- or Two-Variable Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

4.3.3 Changing the Measurement Type or Units for the Totalizer Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

4.3.4 Starting or Stopping the Totalizer Measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

4.3.5 Resetting the Totalizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

4.4 Entering the Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

4.4.1 Display Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

4.4.2 Keypad Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

4.4.3 Language. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4.4.4 Program and Program Review Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4.5 User Preferences. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

4.5.1 Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

4.5.2 Units Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

4.5.3 Density. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

4.5.4 Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

4.5.5 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

4.6 Inputs/Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

4.6.1 Programming the Analog Output Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

4.6.2 Programming the Digital Output Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

4.6.3 Programming the Modbus/Service Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

4.6.4 Programming Digital Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

4.7 Sensor Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

4.7.1 Meter Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

4.7.2 Mounting Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

4.7.3 Programming the Pipe Menu when Wetted selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

4.7.4 Programming the Pipe Menu when Clamp-on selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

4.7.5 Programming the Transducer when Clamp-on selected. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

4.7.6 Programming the Transducer when Wetted selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

4.7.7 Programming the Number of Traverses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

4.7.8 Programming the Fluid Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

4.7.9 Programming the Fluid Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

4.7.10 Calculating the Path when Clamp-on selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86

4.7.11 Enter the Path when Wetted selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Chapter 5. Error Codes and Troubleshooting

5.1 Error Display in the User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

5.1.1 Error Header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89

5.1.2 Flow Error String. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

5.2 Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5.2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

5.2.2 Flowcell Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93

iv AquaTrans™ AT600 User’s Manual

Contents

Chapter 6. Communication

6.1 MODBUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

6.1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

6.1.2 MODBUS Register Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

6.2 HART. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

6.2.1 Device Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

6.2.2 Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

6.3 Additional Device Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166

6.4 Device Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167

6.5 HART Engineering Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168

Appendix A. Specifications

A.1 Overall Operation and Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173

A.2 Electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174

A.3 Clamp-On Ultrasonic Flow Transducers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175

A.4 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177

A.4.1 Wiring Cable Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177

A.4.2 Cable Fixing Requirement and Gland Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177

A.4.3 Display Languages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177

A.4.4 Product Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177

Appendix B. Data Records

B.1 Service Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179

B.2 Data Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179

B.3 Initial Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .180

B.4 Diagnostic Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181

Appendix C. Updating the Firmware in the Field

C.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183

C.1.1 System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183

C.1.2 Preparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183

C.2 Performing the Firmware Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184

C.2.1 Check the Current Firmware Version. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184

C.2.2 Update Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184

C.3 Clearing an S2 Warning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .186

C.4 Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .186

Appendix D. Menu Maps

D.1 The Display Measurement Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187

D.2 The Main Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188

D.3 The Main Menu > User Preferences Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .189

D.4 The Main Menu > Inputs/Outputs Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .190

D.5 The Main Menu > Sensor Setup Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .191

AquaTrans™ AT600 User’s Manual v

Contents

D.6 The Main Menu > Calibration Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .192

D.7 The Main Menu > Advanced Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193

D.8 The Main Menu > Factory Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .194

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vi AquaTrans™ AT600 User’s Manual

Preface

Product Registration

Thank you for purchasing your AquaTrans™ AT600 from Baker Hughes, a GE Company. Please register your product at www.gemeasurement.com/productregistration software/firmware upgrades, product information and special promotions.

for product support such as the latest

Services

BHGE provides customers with an experienced staff of customer support personnel ready to respond to technical inquiries, as well as other remote and on-site support needs. To complement our broad portfolio of industry-leading solutions, we offer several types of flexible and scalable support services including: Training, Product Repairs, Extended Warranties, Service Agreements and more. Please visit

www.gemeasurement.com/services

for more details.

Terms and Conditions

Sales Terms and Conditions for your recent purchase of a BHGE product, including the applicable product Warranty, can be found on our website at the following link:

www.gemeasurement.com/sales-terms-and-conditions

Typographical Conventions

Note: These paragraphs provide information that provides a deeper understanding of the situation, but is not

essential to the proper completion of the instructions.

IMPORTANT: These paragraphs provide information that emphasizes instructions that are essential to proper

setup of the equipment. Failure to follow these instructions carefully may cause unreliable performance.

CAUTION! This symbol indicates a risk of potential minor personal injury and/or severe damage to the equipment, unless these instructions are followed carefully.

WARNING! This symbol indicates a risk of potential serious personal injury, unless these instructions are followed carefully.

Safety Issues

WARNING! It is the responsibility of the user to make sure all local, county, state and national

codes, regulations, rules and laws related to safety and safe operating conditions are met for each installation.

Attention European Customers! To meet CE Marking requirements for all units intended for use in the EU, all electrical cables must be installed as described in this manual.

AquaTrans™ AT600 User’s Manual vii

Preface

Auxiliary Equipment

Local Safety Standards

The user must make sure that he operates all auxiliary equipment in accordance with local codes, standards, regulations, or laws applicable to safety.

Working Area

WARNING! Auxiliary equipment may have both manual and automatic modes of operation. As

equipment can move suddenly and without warning, do not enter the work cell of this equipment during automatic operation, and do not enter the work envelope of this equipment during manual operation. If you do, serious injury can result.

WARNING! Make sure that power to the auxiliary equipment is turned OFF and locked out before you perform maintenance procedures on this equipment.

Qualification of Personnel

Make sure that all personnel have manufacturer-approved training applicable to the auxiliary equipment.

Personal Safety Equipment

Make sure that operators and maintenance personnel have all safety equipment applicable to the auxiliary equipment. Examples include safety glasses, protective headgear, safety shoes, etc.

Unauthorized Operation

Make sure that unauthorized personnel cannot gain access to the operation of the equipment.

viii AquaTrans™ AT600 User’s Manual

Preface

Environmental Compliance

RoHS

The AquaTrans™ AT600 fully complies with RoHS regulations (Directive 2011/65/EU).

Waste Electrical and Electronic Equipment (WEEE) Directive

BHGE is an active participant in Europe’s Waste Electrical and Electronic Equipment (WEEE) take-back initiative (Directive 2012/19/EU).

The equipment that you bought has required the extraction and use of natural resources for its production. It may contain hazardous substances that could impact health and the environment.

In order to avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources, we encourage you to use the appropriate take-back systems. Those systems will reuse or recycle most of the materials of your end life equipment in a sound way.

The crossed-out wheeled bin symbol invites you to use those systems.

If you need more information on the collection, reuse and recycling systems, please contact your local or regional waste administration.

Please visit http://www.gemeasurement.com/environmental-health-safety-ehs more information about this initiative.

for take-back instructions and

AquaTrans™ AT600 User’s Manual ix

Preface

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x AquaTrans™ AT600 User’s Manual

Chapter 1. General Installation Instructions

Electronics

Transducer Cable

Strap

U-Bolt

Power Cable

Fixture

With Transducer Installed

Chapter 1. General Installation Instructions

1.1 Introduction

Thank you for purchasing the AT600 ultrasonic flow meter. The AT600 is a clamp-on ultrasonic flow meter for the measurement of liquid products. It is designed for the industrial applications, including water, wastewater, steel, campus energy, and others. The AT600 utilizes a new electronics platform and industrial design to make it extremely simple to install and use in the field.

• So easy to use, it practically installs itself

The AT600 consists of the new AT600 electronics, a metal enclosure, the field proven AT transducer system, and a clamp-on transducer fixture (see Figure 1 below).

AquaTrans™ AT600 User’s Manual 1

Figure 1: Typical AT600 System Mounted on a Pipe

Chapter 1. General Installation Instructions

1.2 Theory of Operation

The AT600 flow meter uses a procedure called Transit-Time Flow Measurement. In this method, two transducers, which are in acoustic communication with each other, serve as both ultrasonic signal generators and receivers. That is, the second transducer can receive ultrasonic signals transmitted by the first transducer and vice versa.

In operation, each transducer functions as a transmitter, generating a certain number of acoustic pulses, and then as a receiver for an identical number of pulses (see Figure 2 and Figure 3 below). The time interval between transmission and reception of the ultrasonic signals is measured in both directions. When the liquid in the pipe is not flowing, the transit-time downstream equals the transit-time upstream. However, when the liquid is flowing, the transit-time downstream is less than the transit-time upstream. The difference between the downstream and upstream transit times is proportional to the velocity of the flowing liquid and its sign indicates the direction of flow.

Figure 2: Flow and Transducer Paths (Two Traverses)

Figure 3: Flow and Transducer Paths (One Traverse)

2 AquaTrans™ AT600 User’s Manual

Chapter 1. General Installation Instructions

1.3 Safety Guidelines

To ensure safe and reliable operation of the AT600, the system must be installed in accordance with the guidelines discussed in this manual. This chapter includes the following topics:

• “Unpacking the AT600 system” on page 4

• “Installing the Electronics Enclosure” on page 5

• “Choosing a Clamp-On Fixture/Transducer Location” on page 7

• “Mounting the Clamp-on Fixture and Transducer System” on page 8

WARNING! The AT 600 flow transmitter can measure the flow rate of many fluids, some of which are potentially hazardous. The importance of proper safety practices cannot be overemphasized.

WARNING! Be sure to follow all applicable local safety codes and regulations for installing electrical equipment and working with hazardous fluids or flow conditions. Consult company safety personnel or local safety authorities to verify the safety of any procedure or practice.

ATTENTION EUROPEAN CUSTOMERS! To meet CE Marking and UL Marking requirements, all cables

must be installed as described in “Wiring Cable Specifications and Requirements” on page 177.

AquaTrans™ AT600 User’s Manual 3

Chapter 1. General Installation Instructions

1.4 Unpacking the AT600 system

Before removing the AT600 system from the crate, please inspect the flow meter. Before discarding any of the packing materials, account for all components and documentation listed on the packing slip. The discarding of an important item along with the packing materials is all too common. If anything is missing or damaged, contact BHGE Customer Care immediately for assistance.

Please note that the AT600 system (see Figure 4 below) is available in a variety of configurations to meet your needs, so the packing list will vary for each system. As an example, a typical packing list is:

1. One AT600 electronics enclosure

2. Two clamp-on fixtures

3. Two transducers (installed in one of the two clamp-on fixtures)

4. One transducer cable (installed on fixture with transducers)

5. Two clamp-on fixture mounting straps for each fixture

6. Two “U” bolts for pipe mounting of the AT600 electronics enclosure

7. One USB flash drive with user’s manual and calibration sheet

8. One inner hexagon spanner

9. Three M16 cable glands (installed on the AT600 electronics enclosure)

10. Two pieces of Solid Couplant

11. Quick installation guide

12. Calibration Sheet

13. Cabling tools

Figure 4: Typical AT600 Shipping Container

4 AquaTrans™ AT600 User’s Manual

Chapter 1. General Installation Instructions

Weight is about 1.5 kg

Pipe Mount

Wall Mount

for the whole meter Assembly

M16 GLAND x3

202

63.50

128

120

160

72.50

M20 GLAND x2

202 226

2 Inch Pipe

72.50

1.5 Installing the Electronics Enclosure

The AT600 electronics is housed in a powder-coated, aluminum, NEMA type 4X/IP67 enclosure suitable for indoor or outdoor use. See Figure 5 below for the mounting dimensions and weight of the AT600 electronics enclosure.

Figure 5: Mounting the AT600 Electronics Enclosure

AquaTrans™ AT600 User’s Manual 5

Chapter 1. General Installation Instructions

Horizontal

Vertical

1.5 Installing the Electronics Enclosure (cont.)

The installation base of AT600 electronics enclosure can be rotated 90° to keep a horizontal view of the user interface in any mounting orientation. See Figure 6 below for drawings of the AT600 mounting base.

Figure 6: The AT600 Mounting Base

1.6 Calculating the Transducer Spacing

Before installing the clamp-on fixture(s) and transducers, you must program the AT600 to calculate the required transducer spacing for your planned installation. To accomplish this task, go to “Sensor Setup” on page 66 and follow the instructions in that section. After obtaining the required transducer spacing value, return here and continue to the next section.

6 AquaTrans™ AT600 User’s Manual

Chapter 1. General Installation Instructions

Flow Direction

DOWNSTREAM

UPSTREAM 10 X D (in.)

5 X D (min)

Good

Bad

Flow

1.7 Choosing a Clamp-On Fixture/Transducer Location

For a given fluid and pipe, the accuracy of AT600 depends on the location and alignment of the transducers. In addition to accessibility, when choosing a transducer location, follow these guidelines:

• Position the clamp-on fixture(s) and transducer system so that there are at least 10 pipe diameters of

straight, undisturbed flow upstream and 5 pipe diameters of straight, undisturbed flow downstream from the measurement point (see Figure 7 below). Undisturbed flow means avoiding sources of turbulence in the fluid such as valves, flanges, expansion joints, elbows, swirl, and cavitation.

Figure 7: AT600 Clamp-On Fixture/Transducer Location

• Locate the transducers on a common axial plane along the pipe (see Figure 8 below). The transducers

should be mounted on the side of the pipe, rather than the top or bottom, because the top of the pipe tends to accumulate gases and the bottom tends to accumulate sediment. Either condition may cause excessive attenuation of the ultrasonic signal. There is no similar restriction with vertical pipes, as long as the flow direction is upward to prevent free falling of the fluid in a partially filled pipe.

Figure 8: Good and Bad Transducer Locations

AquaTrans™ AT600 User’s Manual 7

Chapter 1. General Installation Instructions

1.8 Mounting the Clamp-on Fixture and Transducer System

The AT600 transducer system includes one or two clamp-on fixtures, two transducers and one transducer cable. One clamp-on fixture is shipped with both transducers installed and the transducer cable connected to the transducers. This fixture is the default setup for most applications. If a second fixture has been ordered, it is shipped empty.

Transducers available for use with the AT600 flow meter are listed in Table 1 below.

Table 1: Available Transducers

Model Frequency Fixture Pipe Sizes

AT6 2, 1, 0.5 MHz AT600 2 in. (50 mm)

CF-LP

C-RS

C-PT

UTXDR

Go directly to: “Installing a CF-ES Clamp-On Fixture and Transducer System” on page 20.

4 MHz CF-ES 0.5-2 in. (15-50 mm)

4 MHz SPCF 0.5-8 in. (15-200 mm)

1, 0.5 MHz GCF 2 in. (50 mm)

2, 1, 0.5 MHz GCF 2 in. (50 mm)

Go directly to: “Installing a General Clamping Fixture and Transducer System” on page 20.

The AT600 clamp-on fixture and AT6 transducer system can be installed on pipe sizes 2 in. (50 mm). For optimum performance in any specific application, either a two-traverse or one-traverse installation can be chosen. Because the maximum pipe size for a single clamp-on fixture is 250 mm for 2 MHz transducers or 320 mm for 1 MHz and 0.5 MHz transducers, the detailed installation requirements differ based on the calculated transducer spacing and the chosen number of traverses. Refer to Table 2 below to find the parameters for your specific configuration.

Table 2: AT600 Clamp-On Fixture Installation

Pipe Size Range

mm inches

Transducer

Frequency (MHz)

Number of

Traverses

Transducer Spacing

(mm)

Number of

Fixtures

50 to 100 2 to 4 2 4 32 to 250 1

100 to 150 4 to 6 2 2 32 to 250 1

50 to 150 2 to 6 2 1 0 to 250 2

100 to 300 4 to 12 1 2 50 to 320 1

300 to 600 12 to 24 1 2 320 to 940 2

600 to 1500 24 to 60 1 1 >320 2

200 to 300 8 to 12 0.5 2 50 to 320 1

300 to 900 12 to 36 0.5 2 320 to 940 2

>900 >36 0.5 1 >320 2

IMPORTANT: See “Sensor Setup” on page 66 to calculate the required transducer spacing. A two traverse

installation is recommended for most applications.

IMPORTANT: If there is any type of coating or protective layer on the outer pipe surface, it must be removed at

the locations where the transducers and couplant contact the pipe surface.

8 AquaTrans™ AT600 User’s Manual

Chapter 1. General Installation Instructions

1.8 Mounting the Clamp-on Fixture and Transducer System (cont.)

From the information on the previous page and the documentation included with your AT600 flow meter system, you should already know the following details about your installation:

• Pipe Size

• Transducer Model

• Transducer Frequency

• Number of Traverses

• Calculated Transducer Spacing

• Number of Clamp-On Fixtures

Based on the known information, proceed directly to one of the following sections in the next chapter for instructions on installing your AT600 clamp-on fixture(s) and transducers on the pipe:

Note: See the flowchart in Figure 9 on page 10 to assist in choosing the appropriate instructions for your

specific configuration.

• “Transducer Spacing = 32 to 250 mm or 50 to 320 mm, Traverses = 2, Fixtures = 1” on page 11

• “Transducer Spacing = 320 to 940 mm, Traverses = 2, Fixtures = 2” on page 14

• “Transducer Spacing = 0 to 250 mm or 0 to 320 mm, Traverses = 1, Fixtures = 2” on page 17

• “Transducer Spacing >320 mm, Traverses = 1, Fixtures = 2” on page 19

AquaTrans™ AT600 User’s Manual 9

Chapter 1. General Installation Instructions

AT6 Trans. C-RS Trans. C-PT Trans.

UTXDR Trans.

CF-LP Trans.

2 MHz 1 MHz

0.5 MHz

2 Traverses 1 Traverse

AT600 Fixture CF-ES Fixture GCF Fixture

[Section 2.2 on page 19] [Section 2.3 on page 19]

START HERE

4 MHz 4 MHz

Note: The red boxes are the recommended configuration, which works for most applications.

1 Fixture 2 Fixtures 2 Fixtures

[Section 2.1.1 on page 11] [Section 2.1.2 on page 14]

Spacing to 320 Spacing >320

[Section 2.1.3 on page 16] [Section 2.1.4 on page 18]

1.8 Mounting the Clamp-on Fixture and Transducer System (cont.)

Figure 9: Flowchart to Transducer Installation Instructions

10 AquaTrans™ AT600 User’s Manual

Chapter 2. Clamp-On Fixture and Transducer Installation

Move

Align

Screw Tighten

Chapter 2. Clamp-On Fixture and Transducer Installation

2.1 Installing an AT600 Clamp-On Fixture and Transducer System

The instructions in this section are for installations using the AT600 clamp-on fixture only. For installations using other clamp-on fixtures, see “Installing a CF-ES Clamp-On Fixture and Transducer System” on page 20 or “Installing a General Clamping Fixture and Transducer System” on page 20.

2.1.1 Transducer Spacing = 32 to 250 mm or 50 to 320 mm, Traverses = 2, Fixtures = 1

Note: A two traverse installation with one clamp-on fixture is the standard AT600 configuration.

When the required transducer spacing is 32 to 250 mm for a 2 MHz transducer or 50 to 320 mm for a 1 MHz or

0.5 MHz transducer, one clamp-on fixture is needed for a dual traverse installation. Proceed as follows:

1. Install the AT600 clamp-on fixture with transducers on the pipe using two mounting straps.

a. Choose a location with enough straight pipe run (refer to Figure 7 on page 7).

b. Install the two mounting straps on the pipe about 12 in. (30 cm) apart (see Figure 10 below).

Figure 10: Mounting Straps Installed on Pipe

c. Hold the fixture against the pipe and move the mounting straps onto the fixture. Then, tighten

the screws on the straps, and verify that the straps remain in place on the fixture (see Figure 11 below).

AquaTrans™ AT600 User’s Manual 11

Chapter 2. Clamp-On Fixture and Transducer Installation

Hand Wheel

Transducers

Couplant

Figure 11: 2 Traverse Installation with 1 Clamp-On Fixture

2.1.1 Transducer Spacing = 32 to 250 mm or 50 to 320 mm, Traverses = 2, Fixtures = 1 (cont.)

IMPORTANT: If there is any type of coating or protective layer on the outer pipe surface, it must be removed at

the locations where the transducers and the couplant contact the pipe surface.

2. Connect the power and transducer cables to the AT600, as shown in Figure 23 on page 23.

3. If you haven’t already done so, power the meter On and program your site data to determine the

required transducer spacing (see “Sensor Setup” on page 66).

4. Set the two transducers at the spacing calculated by the meter and tighten them in place, as follows:

a. Loosen both transducers and rotate the fixture so that the transducers are in view (see Figure 12

below).

Figure 12: Transducers Rotated into View

b. Set the transducers to the spacing calculated by the meter. If you are using solid couplant, apply it

to both transducer faces. Then, rotate the transducers back onto the rail (see Figure 13 below).

Figure 13: Set Transducer Spacing and Apply Couplant

12 AquaTrans™ AT600 User’s Manual

Chapter 2. Clamp-On Fixture and Transducer Installation

UPSTREAM DOWNSTREAM

Spacing

LSL USL

2.1.1 Transducer Spacing = 32 to 250 mm or 50 to 320 mm, Traverses = 2, Fixtures = 1 (cont.)

5. See Figure 14 below for an example of a completed installation. In this drawing, LSL is the Lower Specified Limit and

USL is the Upper Specified Limit for the installation.

Note: For a one-fixture installation,

for a 1 MHz or 0.5 MHz transducer. The transducer spacing is measured from

LSL is 0 on the scale and USL is 250 mm for a 2 MHz transducer or 320 mm

LSL to a point USL.

Figure 14: Installation for 2 Traverses with 1 Fixture

6. Your clamp-on fixture and transducer installation is now complete. To wire your AT600 flow meter, proceed to “Wiring the AT600 Electronics” on page 23.

AquaTrans™ AT600 User’s Manual 13

Chapter 2. Clamp-On Fixture and Transducer Installation

Bar

2.1.2 Transducer Spacing = 320 to 940 mm, Traverses = 2, Fixtures = 2

For a two traverse installation with a calculated transducer spacing of 320 to 940 mm for a 1 MHz or 0.5 MHz transducer, two fixtures are installed on the same side of the pipe. To do so, complete the following steps:

1. Install the four mounting straps on the pipe with a spacing of 12 in. (30 cm) between each pair of straps.

2. Hold one of the clamp-on fixtures, with two transducers and one cable, against the pipe between the upstream pair of straps and move the two mounting straps onto the fixture (see Figure 15 below). Then, tighten the screws on the mounting straps, and verify that the straps remain in place on the fixture.

Figure 15: 2 Traverse Installation with 2 Clamp-On Fixtures

3. Repeat step 2 to install the second clamping fixture, with no transducers or cable, on the pipe between the downstream pair of straps. Use the bar on the second fixture to connect the two fixtures. Then, move the straps onto the second fixture and tighten the screws.

IMPORTANT: Be sure the bar on the left side of the second fixture is in close contact with the bar on the first

fixture.

4. Set the spacing between the two transducers in the upstream clamping fixture to the value calculated by the meter and tighten them back onto the pipe, as follows:

a. Rotate the fixture so that the transducers are in view (see Figure 12 on page 12).

b. Remove the downstream transducer from the first fixture (see Figure 16 below), disconnect the

transducer cable, and route the cable into the second fixture. Then, install the downstream transducer into the second fixture and reconnect the transducer cable. If you are using solid couplant, apply it to both transducer faces. Then, rotate the transducers back onto the rail

14 AquaTrans™ AT600 User’s Manual

Chapter 2. Clamp-On Fixture and Transducer Installation

UPSTREAM

DOWNSTREAM

UPSTREAM DOWNSTREAM

Spacing

LSL1

USL1 LSL2

USL2

300

620

Figure 16: Moving the Downstream Transducer

2.1.2 Transducer Spacing = 320 to 940 mm, Traverses = 2, Fixtures = 2 (cont.)

IMPORTANT: Tight contact must be made between the bars on the two fixtures to ensure an accurate spacing.

5. See Figure 17 and Figure 18 below for examples of a completed installation in the following

situations:

Note: In this drawing,

a. For a calculated transducer spacing of 320 to 620 mm for a 1 MHz or 0.5 MHz transducer, locate

the upstream transducer at the transducer at the calculated transducer spacing position (

b. For a calculated transducer spacing of 620 to 940 mm for a 1 MHz or 0.5 MHz transducer, locate

the upstream transducer at the transducer at the calculated transducer spacing position (between fixture.

LSL is the Lower Specified Limit and USL is the Upper Specified Limit for each fixture.

USL1 position on the first fixture. Then, locate the downstream

USL2) on the second fixture.

Figure 17: Transducer Spacing of 320 to 620 mm with 2 Fixtures

LSL1 position on the first fixture. Then, locate the downstream

LSL2 and USL2) on the second

AquaTrans™ AT600 User’s Manual 15

Chapter 2. Clamp-On Fixture and Transducer Installation

UPSTREAM DOWNSTREAM

250

Spacing

LSL1

USL1 LSL2

USL2

320

620

940

Figure 18: Transducer Spacing of 620 to 940 mm with 2 Fixtures

6. Your clamp-on fixture and transducer installation is now complete. To wire your AT600 flow meter, proceed to “Wiring the AT600 Electronics” on page 23.

16 AquaTrans™ AT600 User’s Manual

Chapter 2. Clamp-On Fixture and Transducer Installation

Band Tape

2.1.3 Transducer Spacing = 0 to 250 mm or 0 to 320 mm, Traverses = 1, Fixtures = 2

For a one traverse installation with a calculated transducer spacing of 0 to 250 mm for a 2 MHz transducer or 0 to 320 mm for a 1 MHz or 0.5 MHz transducer, two clamp-on fixtures are installed on opposite sides of the pipe. To install this configuration, complete the following steps:

1. Mark a straight line parallel to the pipe centerline on the top of the pipe (i.e., the 12 o’clock position).

2. Use a band tape to measure the circumference of the pipe. Then, mark two additional lines on the

pipe parallel to the first line. Locate these lines 1/4 of the way around the pipe in each direction from the original line (i.e., at the 3 o-clock and 9 o’clock positions).

3. Install two mounting straps on the pipe about 12 in. (30 cm) apart (see Figure 19 below).

4. Hold one clamp-on fixture, with two transducers and one cable, on the pipe along one of the lines

marked in step 2. Then, move the two straps onto the ends of this fixture.

5. Hold the remaining (empty) clamp-on fixture on the opposite side of the pipe from the first fixture.

Then, move the two straps onto the ends of this clamp-on fixture.

6. Align the two fixtures to be equal distances from the band tape. Tighten both straps securely.

Figure 19: 1 Traverse Installation with 2 Fixtures

AquaTrans™ AT600 User’s Manual 17

Chapter 2. Clamp-On Fixture and Transducer Installation

UPSTREAM

DOWNSTREAM

2.1.3 Transducer Spacing = 0 to 250 mm or 0 to 320 mm, Traverses = 1, Fixtures = 2 (cont.)

7. Set the spacing between the two transducers to the value calculated by the meter as follows:

a. Loosen the fixture rails and rotate the rails so the transducers are in view.

b. Remove the upstream transducer from the first fixture (see Figure 20 below). Disconnect the

transducer cable and route the cable into the second fixture.

Note: The cable for the upstream transducer needs to be pulled out through one side of the rail on the first

fixture and inserted through the side of the rail on the second fixture.

c. Install the upstream transducer into the second fixture, and reconnect the transducer cable.

d. Locate the upstream transducer at the zero position of the second fixture, and then move the

downstream transducer to the required position on the first fixture. If you are using solid couplant, apply it to both transducer faces. Then, rotate the transducers back onto the rail

Figure 20: Relocate the Upstream Transducer

8. Your clamp-on fixture and transducer installation is now complete. To wire your AT600 flow meter, proceed to “Wiring the AT600 Electronics” on page 23.

18 AquaTrans™ AT600 User’s Manual

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