Supplement 1 for Operating Instructions C79000-G52xx-C216-03
18 A5E02769382-03, 03/2012
Replacing the sensor
DANGER
Danger of poisoning
The replacement of the sensor module represents interference in the gas path. The sample gas circulating
therein may contain toxic components that lead to death in certain concentrations.
To ensure that the sample gas is free of toxic material when replacing the sensor module, the gas path must
be flushed with ambient air or nitrogen for a period of about 10 minutes before performing the task.
WARNING
Danger of electric shock
The device will be open when the sensor is being replaced. This means present dangerous contact voltage will
be present, which can lead to electric shock.
For this reason, the sensor module may only be replaced when power is off.
WARNING
Danger of chemical burns
The H
2
S sensor contains sulfuric acid, which leads to burns on unprotected skin.
Therefore do not use any tools when replacing the sensor module which could damage the sensor due to
sharp edges or squeezing.
If contact with the acid occurs nevertheless, rinse the affected skin immediately with plenty of water!
CAUTION
Hazardous waste
The spent or defective H
2
S sensor is hazardous waste and must be packaged and disposed of accordingly!
The spent H
2
S sensor is categorized as electronic waste with code number 160215, "Hazardous component removed from
discarded equipment". It must therefore be disposed of correctly and in an environmentally-friendly manner by a local
waste disposal company.
Environmental damage may occur if this stipulation is not followed. The polluter is also threatened with criminal action!
Note
The H
2
S sensor only has a limited service life depending on the operating mode and is therefore excluded from the analyzer
guarantee.
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