Fuji Electric ZKJ Series - Page 83

7 - 1
7. MAINTENANCE
7.1 Daily check
(1) Zero calibration and span calibration
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(2) Flow rate check
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7.2 Daily check and maintenance procedures
Table 7.1 Maintenance and check table
Sample gas flow rate
(Flow rate of purging
gas is included if
purging is used)
Parts to be checked Phenomena
Causes
Remedy
Indication value
Indication values
( 1) Dust is mixed in
( 1) Clean the sampling cell.
are lowered.
sampling cell. In addition, check sampling
Indication values
devices, especially gas filter.
~
u
are higherd.
(\)
(2) Air is absorbed midway (2) Find out cause of leak and
~
u
b
"o,j
in the sampling pipe. repair.
Q
Standard flow is beyond Adjust by needle valve of flow
the specified flow rate rater.
of 0.SL/min, 0.3 to
0.7L/min.
~
Zero point of gas
u
(\)
It is deflected. Adjust.
~
analyzer
u
;,-,
:;:l
Span point of gas
(\)
It is deflected. Adjust.
(\)
~
analyzer
~
u
Gas analyzer Regardless of any Overhaul.
(\)
~
u
phenomena
;,-,
11
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