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Emerson Process Management GmbH & Co. OHG7-36
Instruction Manual
HASAxE-IM-HS
05/2006
7-4 Replacing the Electrochemical Sensor
EXPLOSIVE, FLAMMABLE AND HARMFUL GASES HAZARD !
Before opening gas paths they must be purged with ambient air or neutral
gas (N
2
) to avoid hazards caused by toxic, flammable, explosive or harmful to
health sample gas components!
ELECTROSTATIC DISCHARGE HAZARD !
Working at internal components of electronical and electrical instruments
may cause electrostatic discharge (ESD), destroying components!
Working at open instruments is recommended at special workplaces only!
If no such workplace is available, at minimum perform the following procedures
to not destroy electronic components:
Discharge the electric charge from your body. Do this by touching a device
that is grounded electrically (e.g. instruments with earth connectors, heating
installations). This should be done periodically when working at open
instruments (especially after leaving the service site, because e.g. walking on
low conducting floors might cause additional ESD).
ELECTRICAL SHOCK HAZARD !
Working at opened and powered instruments means working near live parts
and is subject to instructed and trained personnel only!