3M PROTEGE PLUS - Span Calibration Process Diagram

3M™ PROTÉGÉ PLUS
PORTABLE MULTI-GAS MONITOR
MAINTENANCE
8006569, Rev. C/June 2019 7-5
Figure 7-3: Gas Position
5. Apply gas from the regulator and attach the Calibration Adapter to the device (see Figure 7-2:
Span Calibration- Calibration Adapter Attached).
6. Press Left button to confirm the calibration and a countdown screen will appear (see Figure 7-4:
SPAN Calibration).
Figure 7-4: SPAN Calibration
7. For single gas cylinders, wait for the Applying Gas All Span Calibration in Progress in 60 to
appear. Attach Tygon tubing to next cylinder and apply gas from the Regulator.
8. Wait for the display to read SPAN PASS then REMOVE GAS.
CAL
Sensor Type
PPM
PPM
%
PPM
ZERO
Sensor Type
Sensor Type Sensor Type
SEN 1
SEN 3
SEN 2
SEN 4
LEL
CO
PPM
H2S PPM O2
%
%
LEL
CO
PPM
H2S PPM O2
%
%
LEL
CO
PPM
H2S PPM O2
%
%
LEL
CO
PPM
H2S PPM O2
%
%
CAL
LEL
CO
PPM
H2S PPM O2
%
%
CAL
Apply Gas