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8.
Maintenance
The detector is a precision device.
To maintain the performance of the detector and improve the reliability of detecting leakage, perform a
regular maintenance.
8-1. Maintenance intervals and items
Perform the following maintenance regularly before use.
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Daily maintenance: Perform maintenance before commencing each work.
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Monthly maintenance: Perform alarm test once a month.
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Regular maintenance: Perform maintenance once or more for one year to maintain the performance as a
unit.
Maintenance
item
Maintenance content
Daily
maintenance
Monthly
maintenance
Regular
maintenance
Battery level
check
Check that the battery level is
sufficient.
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Concentration
display check
Make the detector draw in fresh air
and check that the concentration
display value is zero. When the
reading is incorrect, perform zero
adjustment by air calibration after
ensuring that no other gases exist
around it.
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Flow rate
check
Check the flow check display to find
abnormalities.
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Filter check
Check the dust filter for dust or
clogging.
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Span
adjustment
Check the gas alarm using a
calibration gas.
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