Critical Environment Technologies CGAS-A-VLT-NH3-S, Addendum

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Rev. B | 2022.09 cGas Ammonia Vent Line Transmitter - Addendum
© 2022 All rights reserved. Data subject to change without notice.
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TABLE OF CONTENTS
1 INTRODUCTION ................................................................................................. 4
1.1 General Description ..................................................................................................................4
1.2 Key Features ..............................................................................................................................4
2 INSTRUMENT SPECIFICATIONS ........................................................................ 5
2.1 Technical Specifications .........................................................................................................5
2.2 Enclosure Dimensions .............................................................................................................7
2.3 Exterior Enclosure - Front ....................................................................................................... 8
2.4 Exterior Enclosure - Back ........................................................................................................9
2.5 Interior Enclosure .....................................................................................................................9
3 SENSOR SPECIFICATIONS AND CONSIDERATIONS ........................................10
4 INSTALLATION ................................................................................................ 11
5 CALIBRATION .................................................................................................. 11
5.1 Remove Detector from Vent Stack .....................................................................................12
5.2 Set Calibration Gas Value ..................................................................................................... 13
5.3 Attach Calibration Adapter with Tubing ............................................................................. 13
5.4 Zero (Null) Calibration ............................................................................................................14
5.5 Span Calibration .....................................................................................................................14
5.6 Troubleshooting Calibration .................................................................................................15
5.3.1 Calibration Adapter Plug Doesn’t Fit ...................................................................... 16
5.3.2 Zero Fault .................................................................................................................... 16
5.3.3 Span Fault ................................................................................................................... 16
5.3.4 Zero Override .............................................................................................................. 16
5.3.5 Span Override ............................................................................................................. 16
6 SENSOR REPLACEMENT ................................................................................. 16
7 MAINTENANCE................................................................................................ 18
8 TROUBLESHOOTING ........................................................................................ 18