1
Valve “Zero” for zero gas
2
Valve “Measuring/ Purging” for purging and measuring operation
3
Valve “Test gas” for switching the single measuring chambers
4
On/Off switch
5
Power supply connection
6
Gas connection “Zero gas”
7
Gas connection: Measuring chamber 75 mm
8
Gas connection: Measuring chamber 50 mm
9
Gas connection: Measuring chamber 25 mm
ß
Pump ON/OFF switch
à
Temperature displays “Preheater” and “Cell temp.”
1
Disassemble the filter box with plate and reflector from the SR-unit and store
safely.
2
Fit the SR-unit back on measuring point properly again.
9.10
Checking the evaluation unit
NOTICE
Observe safety information,
see "Safety information on commissioning", page 47
MAINTENANCE
9
8019532/100Q/V1-1/2018-08 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM700 Ex
77
Subject to change without notice