WARNING
Risk to health through contact with toxic gases
The modules and equipment contain enclosed, potentially dangerous gases that can
escape should a defect or leak occur. Should a leak occur, the concentrations within
the enclosed equipment can rise up to 40 ppm.
■
NO: 2 ml maximum total volume
b
Only open the device when good ventilation is available, especially when a leak of
one of the device components is suspected.
UV radiation
DANGER
Damage to eyes and skin by UV radiation
The in-situ gas measuring device GM32 emits UV radiation when the SR-unit or reflec‐
tor unit is opened during operation. Exposure of the unprotected skin and eyes to radia‐
tion is dangerous to health.
b
Disconnect the power supply of the device before opening the device.
b
Wear suitable protective goggles and protective gloves when work on the open
device with the power supply connected is performed.
Electricity
Observe all safety information in the Commissioning and Electrical Installation Sec‐
tions,
see "Electrical installation safety information", page 35
,
Device damage
CAUTION
Risk of device damage caused by switching off the purge air too soon
If the purge air is switched off, when the SR-unit or the reflector are still in the gas duct,
hot and contaminated gas can cause a device damage.
b
Switch off the purge air unit only after removal of the SR-unit from the gas duct.
11.2
Shutting down subassemblies with explosion relevance
GM32 Ex category 3G
b
Disconnect the GM32 Ex from the main power supply.
b
Disconnect the Ex control unit from the main power supply.
NOTE
The analyzer can remain on the gas duct as long as the purge air supply is in oper‐
ation.
DECOMMISSIONING
11
8015558/YYJ8/V1.7/2016-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM32-Ex
97
Subject to change without notice