Instruction manual

NGA 2000 MLT Hardware
CHECK AND REPLACEMENT OF ELECTROCHEMICAL OXYGEN SENSOR
18 - 1
Emerson Process Management GmbH & Co. OHG
Instruction Manual
90002929
07/2006
18. Check / Replacement of electrochemical Oxygen Sensor
Take care of the safety instructions as given at the beginning of this manual
while working at and inside the instruments!
Working inside the instruments is subject to briefed personnel familiar with
potential risks!
GENERAL
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!
The electrochemical O
2
-sensor contains electrolyte which is caustic and
can cause serious burns to skin. Do not ingest contents of sensor !
CAUSTIC !
Tampering with or unauthorized substitution of components may adversely affect the
safety of this instrument. Use only factory approved components for repair.
Because of the danger of introducing additional hazards, do not perform any unauthorized
modification to this instrument!
The electronic parts of the analyzer can be irreparably damaged if exposed
to electrostatic discharge (ESD).
Take care to follow all safety measures against ESD when handling pcb
and/or inside analyzer housing !