Cal Gas Selection - 3M GMI PS200 Series Operation & Maintenance Manual

When this option is displayed (see
monitor is identified between two arrowheads.
NOTE: The calibration certificate also identifies the calibration gas type used.
To select a different gas:
1. Press the L button to step through the options.
2. Press and hold the R button to select the required option.
NOTE: Accuracy for the re-selected gas type is ± 20%.
3.3.8. SENSOR CONFIRMATION CHECK
The symbol appears next to each sensor type to confirm that the sensor has been zeroed cor-
rectly, as shown in
Figure 3-12: Sensor Check Displays
If a wrench symbol
3.3.9. NORMAL OPERATING DISPLAY
When warm-up is completed successfully, the backlight switches off and the normal operating
screen is displayed, as illustrated in
3-6
Figure 3-11: Cal Gas Selection
Figure 3-11: Cal Gas Selection
Figure 3-12: Sensor Check Displays
is displayed, refer to
Section 5.3. Zero Fault
Figure 3-13: 4-Gas Normal Operating Display
3M™ GMI™ PS200 PORTABLE GAS MONITOR
), the original gas used to calibrate the
.
and
Section 5.4. Sensor Faults
OPERATION
.
.
64171, Rev. 10/May 2019