Zero Calibration; Span Calibration - Prosense PQ Series User Manual

Zero Calibration

Select Set Zero option on calibration menu and press Enter key to start zero calibration.
Program will request a confirmation to start zero calibration:
CLEAN AIR
Apply zero gas
Press Enter
When entered zero calibration will start and calibration time will be counted down:
CALIBRATION
ZERO: 45
METHANE
0
%LEL
Zero gas should be applied to sensor during 60 seconds. 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
sensor during this period.

Span Calibration

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:
030 %LEL
METHANE
Apply gas
Press enter
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PRS-UM-HT-EN-Rev1.0-19.12.2022