Zero Calibration; Span Calibration - Prosense Safevader 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:
When entered it will start countdown from 60 to 0:
During 60 seconds 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
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:
After pressing Enter key screen will again show countdown:
PRS-UM-SV-EN-Rev1.0-16.12.2022
CLEAN AIR
Apply zero gas
Press Enter
CALIBRATION
Setting Zero: 59
METHANE
0
% LEL
30 % LEL
METHANE
Apply gas
Press Enter
CALIBRATION
Setting Span: 59
METHANE
0
% LEL
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