<11. Inspection and Maintenance>
11-8
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
11.1.7 Cleaning the High Temperature Probe Adapter
CAUTION
Do not subject the probe of the High Temperature Probe Adapter (ZO21P-H-A) to shock. This
probe uses silicon carbide (SiC) which may become damaged if it is subjected to a strong shock
or thermal shock.
The high temperature detector is structured so that the gas to be measured is directed toward
the detector with the high temperature probe adapter. Therefore, if the probe or the sample gas
clogged with dust, clean it.
clean it with a metal rod, etc., inserted. In addition, if dust is found on the auxiliary ejector or
needle valve (choke) at the sample gas outlet, remove these parts from the high temperature
probe adapter and then clean them. To remove dust, blow air on them or rinse them with water.
11.1.8 Stopping and Re-starting Operation
<Stopping Operation>
When operation is stopped, take care of the followings so that the sensor of the detector cannot
become unused.
CAUTION
When operating an instrument such as boiler or industrial furnace is stopped with the zirconia
oxygen analyzer operation, moisture can condensate on the sensor portion and dusts may stick
to it.
amount of water is condensed, the sensor can be broken and will never be used.
To prevent the above nonconformity, take the following action when stopping operation.
(1)
If this is impossible to do the above, remove the detector.
(2) If unavoidably impossible to supply the power and removing the detector, keep on the
following air at 600 ml/min into the calibration gas pipe.
<Restarting Operation>
gas pipe before supplying power to the converter.
11.2 Inspection and Maintenance of the
Converter
work properly, in most cases it probably comes from problems or other causes.
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