3 Span Adjustment
3-2. Zero Adjustment
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SC-8000
<Adjustment Procedure>
Perform adjustment using the procedure shown below.
Warm up the gas monitor for 60 minutes or longer before performing the fresh air
adjustment to ensure more accurate adjustment.
NOTE
Before starting the span adjustment, let the gas monitor draw the gas and wait until the readings are
stabilized.
3-2. Zero Adjustment
NOTE
If the existence of other gases is suspected in the atmosphere before performing the zero adjustment,
collect fresh air in a gas sampling bag separately and perform the adjustment supplying fresh air in the
same way as for the span adjustment.
(1) Zero adjustment (AIR CAL)
(2) Span adjustment (AUTO CAL or ONE CAL)
End of span adjustment
WARNING
When the zero adjustment is performed in the atmosphere, check the atmosphere for freshness
before beginning the adjustment. If other gases exist, the adjustment cannot be performed properly,
thus leading to dangers when the gas leaks.
WARNING
When the zero adjustment is performed in the atmosphere, check the atmosphere for freshness
before beginning the adjustment. If other gases exist, the adjustment cannot be performed properly,
thus leading to dangers when the gas leaks.
