
7 Commissioning.................................................................................. 33
7.1 Safety......................................................................................................... 33
7.1.1 Important information on GPP measuring probe.................. 35
7.2 Tools required............................................................................................ 35
7.3 Material required...................................................................................... 35
7.4 Commissioning steps overview................................................................ 35
7.5 Removing the transport safety devices of the measuring probe........... 36
7.5.1 Removing the transport safety device of the GMP measur‐
ing probe.................................................................................. 36
7.5.2 Removing the transport safety device of the GPP measur‐
ing probe.................................................................................. 37
7.6 Fitting the T-piece on the measuring probe............................................ 37
7.7 Aligning transmitter and receiver optically.............................................. 37
7.8 Fitting the sender and receiver on the T-piece....................................... 38
7.9 Connecting the sender and receiver....................................................... 39
7.10 Calibration................................................................................................. 39
7.10.1 Material required..................................................................... 39
7.10.2 Calibrating the GM901-02 standard...................................... 39
7.10.3 Calibrating the GM901-02 with extended calibration........... 40
7.11 Zero adjust................................................................................................ 40
7.11.1 Manual SPAN test (optional)................................................... 41
7.11.2 Online SPAN test according to EPA Guidelines...................... 42
7.11.3 Automatic SPAN test................................................................ 45
7.12 Fitting the measuring device on the duct................................................ 46
7.13 Installing the weatherproof cover............................................................ 47
7.14 Preset parameter values.......................................................................... 49
8 Operation............................................................................................ 51
8.1 Operating and display elements.............................................................. 51
8.1.1 Control unit operating panel................................................... 51
8.1.2 Display...................................................................................... 51
8.1.3 Status LEDs.............................................................................. 52
8.2 Setting the display contrast..................................................................... 52
8.3 Entering the password.............................................................................. 52
9 Menus.................................................................................................. 54
9.1 Safety......................................................................................................... 54
9.2 Measuring mode....................................................................................... 54
9.3 Diagnosis................................................................................................... 54
9.3.1 Viewing error messages.......................................................... 54
9.3.2 Viewing warning messages..................................................... 55
9.3.3 Viewing sensor values............................................................. 55
9.4 Parameter................................................................................................. 55
9.4.1 Changing the physical unit...................................................... 56
9.4.2 Setting the humidity correction.............................................. 57
9.4.3 Changing the response time................................................... 57
CONTENTS
4O P E R A T I N G I N S T R U C T I O N S | GM901-02 8008932/16YT/V4-0/2022-02 | SICK
Subject to change without notice