16
<Monthly including daily inspection>
Item
Countermeasure
Confirmation of
reference gas level
Supply reference gas from GAS IN by changing the external
3-way cock position and confirm that the reference gas level is
indicated. If not, make “Reference gas calibration.”
Confirmation of
deterioration for
interferometric
sensor
Make displays of contrast and light amount for interferometric
sensor.
Guess the deterioration speed and replacement time by
comparing with past inspection data.
Confirmation of
alarm action
Confirm that alarm light turns on and alarm contact works by
making alarm test.
<Every 6 months/12 months inspection>
Item
Countermeasure
Gas sensitivity
adjustment
(Calibration)
After making reference gas calibration, supply the pre-known
calibration gas from GAS IN and confirm that it shows correct
indication.
Daily inspection and monthly inspection are included in 6 months/12 months
inspections.
Following inspections are also done as occasion demands.
①Cleaning
②Replacement of parts
③Replacement of piping materials
④Confirmation of functions
⑤Others
This analyzer may measure dangerous gases such as explosive gases &
vapors continuously for a long period. To keep safety, be sure to make
「6 months/12 months inspections」
When make gas calibration or alarm test, announce it to respective
department beforehand.
！
WARNING
＊
NOTE
