Fuji Electric ZSJ Instruction Manual page 79

Maintenance & check items
4) Check of the
membrane filter
(5) Check of the
zirconia oxygen
sensor outlet tube
(6) Check the
analyzer
(7) Standard gas
(8) Gas extractor
(9) Recorder (option)
1. Visually check membrane filter for contamination.
(1) If the membrane filter is much clogged (See Section 4.3.3.);
If the contamination is excessive, check pre-stage filters such as the gas
extractor, wire mesh filter, and mist filter.(See Section 4.3.1 and
Section 4.3.2.) Then replace the membrane filter.
1. Check that sensor temperature is 800°C ±5°C, or check if the outlet tube is
clogged with deposits of crystal if SO
Note) Use care since the sample outlet is as high as at 50°C.
Check the analyzer if the measured value is not normal.
(Refer to "6.1 Troubleshooting" for the check method.)
(in the case of oxygen concentration), airtight, and measurement range.
oxygen concentration), airtight, gas dissolution, and measurement range.
1. Check the residual pressure.
Shall be heated.
(Be careful about the handle for filter replacement since it is heated to high
temperatures (about 60°C).)
Refer to the instruction manual of the recorder.
Maintenance & check procedures
concentration in sample gas is high.
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INZ-TN2ZSJ-E