Campbell Scientific EC155 CO2 and H2O Closed-Path Gas Analyzer and EC100 Electronics with Optional CSAT3A 3D Sonic Anemometer - Manual (Page 7)

Table of Contents
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1. Introduction ................................................................. 1
2. Cautionary Statements ............................................... 1
3. Initial Inspection ......................................................... 2
4. Overview ...................................................................... 2
5. Specifications ............................................................. 3
5.1 Measurements ...................................................................................... 3
5.2 Output Signals ...................................................................................... 5
5.3 Physical Description ............................................................................. 6
5.4 Power Requirements ............................................................................ 8
6. Installation ................................................................... 8
6.1 Mounting .............................................................................................. 8
6.2 Plumbing ............................................................................................ 11
6.2.1 Flow ............................................................................................ 11
6.2.2 Pressure ....................................................................................... 11
6.2.3 Filtration ...................................................................................... 12
6.2.4 Plumbing Connections ................................................................ 12
6.2.4.1 Sample Intake ................................................................... 13
6.2.4.2 Pump ................................................................................ 13
6.2.4.3 Zero and Span................................................................... 13
6.3 Wiring and Connections ..................................................................... 14
7. Settings ...................................................................... 17
7.1 Factory Defaults ................................................................................. 17
7.2 Details ................................................................................................ 18
7.2.1 SDM Address .............................................................................. 18
7.2.2 Bandwidth ................................................................................... 18
7.2.3 Unprompted Output .................................................................... 18
7.2.4 Unprompted Output Rate ............................................................ 18
7.2.5 RS-485 Baud Rate ....................................................................... 19
7.2.6 Analog Output ............................................................................. 19
7.2.7 ECMon Update Rate ................................................................... 19
7.2.8 Temperature Sensor .................................................................... 19
7.2.9 Fixed Temperature Value ............................................................ 19
7.2.10 Pressure Sensor ........................................................................... 19
7.2.10.1 Pressure Gain.................................................................... 20
7.2.10.2 Pressure Offset ................................................................. 20
7.2.10.3 Fixed Pressure Value ........................................................ 20
7.2.11 Differential Pressure ......................................................... 20
7.3 ECMon ............................................................................................... 20
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