7 Maintenance
7-1. Maintenance intervals and items
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7
Maintenance
This is an important instrument for the purpose of safety.
To maintain the performance of the detector and improve the reliability of safety, perform a regular
maintenance.
7-1. Maintenance intervals and items
Daily maintenance: Perform maintenance before beginning to work.
Regular maintenance: Perform maintenance once or more for every six months to maintain the
performance as a safety unit.
Maintenance
item
Maintenance content
Daily
maintenance
Regular
maintenance
Power Supply
Check
Check that the power lamp lights up.
Concentration
Display Check
Check that the concentration display
value is zero. When the reading is
incorrect, perform the zero
adjustment after ensuring that no
other gases exist around it.
Alarm Test
Inspect the alarm circuit by using the
alarm test function.
Span
Adjustment
Perform the sensitivity calibration by
using the calibration gas.
Gas Alarm
Check
Check the gas alarm by using the
calibration gas.
<About Maintenance Services>
We provide services on regular maintenance including span adjustment, adjustment and maintenance.
To make the calibration gas, dedicated tools, such as a gas cylinder of the specified concentration and gas
sampling bag must be used.
Our qualified service engineers have expertise and knowledge on the dedicated tools used for services,
along with other products. To maintain the safety operation of the detector, please use our maintenance
service.
The followings are typical maintenance services. For more information, please contact our overseas sales
department or local representative.