Span Calibration; Cancel Calibration - Prosense PQ Series Installation And User Manual

During this time you should apply necessary gas for zero level. For catalytic, pellistor and
electrochemical sensors use clean air gas, for infrared sensors use N2 gas. For more details
contact Prosense. Detector will automatically perform zero calibration while gas applied to

Span Calibration

sensor during this period.
To perform Span calibration Select Set Span option on calibration menu and press Enter key to
start span calibration. At same time prepare the span gas cylinder and regulator; mount the
calibration adaptor to the sensor head and apply gas to the detector. Program will request a
confirmation to start Span calibration:
Press Enter
to Start
After pressing Enter key screen will again show countdown from 60:
Set Span
60
During this period gas should be applied to sensor. Detector will automatically set span level.
When countdown completed it will return to monitoring screen via exiting from menu. If you
try to enter menu detector will ask password again. The alarms will be activated as gas applied

Cancel Calibration

to detector and detector exit from calibration mode.
Calibration can be cancelled anytime during calibration operation. If user thinks something
done wrong by mistake, should select "Cancel Cal" option on calibration menu. Detector will
ask confirmation to cancel:
Press Enter
to Cancel
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