Riken Keiki SD-1DOX-AS, Руководство по эксплуатации

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7 Maintenance 7-1. Maintenance intervals and items
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7
Maintenance
The gas detector is an important instrument for the purpose of safety.
To maintain the performance of the gas 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.

Monthly maintenance: Perform maintenance on the alarm circuit (alarm test) once a month.

Regular maintenance: Perform maintenance once or more for every six months to maintain the
performance as a safety unit.
Maintenance
item
Maintenance content
Daily
mainte-
nance
Monthly
mainte-
nance
Regular
mainte-
nance
Power Supply
Check Check that the power lamp lights up.
  
Concentration
Display Check Check that the concentration display value is zero (or
20.9 vol% on the oxygen meter). When the reading is
incorrect, perform the zero adjustment (or span
adjustment) after ensuring that no interference gases
exist around it.
  
Flow rate
check Check the flow rate to find abnormalities.
  
Filter check Check the dust filter for dust or clogging.
  
Alarm Test Inspect the alarm circuit by using the alarm test function.
－
 
Span
Adjustment Perform the span adjustment by using the calibration
gas.
－ －

Gas Alarm
Check Check the gas alarm by using the calibration gas.
－ －
