3M™ PROTÉGÉ SG
PORTABLE, REUSABLE, SINGLE-GAS MONITOR
MAINTENANCE
087-0065, Rev D/February 2019
6-5
○
beeps once per second
○
vibrates once every 2 seconds.
11. Press right button or wait 60 seconds to go to the Exit screen.
12. Press left button or wait for 60 seconds to return to normal reading screen.
13. Turn off the gas cylinder and remove the Calibration Adapter. The monitor automatically returns
to gas monitoring mode.
6.1.4. BUMP TEST
1. Refer to
Section 6.1.2. CONNECTING THE GAS CYLINDER TO MONITOR
tion kit.
2. Press and hold the left button. The
Bump Test
screen appears.
3. Apply gas and attach Calibration Adapter to monitor (see
Figure 6-2: SPAN Calibration - Calibra-
).
4. Press the left button to acknowledge the bump test and it will apply gas.
5. Verify monitor responds to target gas and wait for the display to read
PASS
. Verify the device
does all of the following
○
red LED flash once per second
○
beeps once per second
○
vibrates once per second.
6. Press any button or wait 60 seconds to go to the normal reading screen.
7. After an unsuccessful bump test, the monitor LCD displays
FAIL
. Verify that the monitor does all
of the following:
○
red LED flashes once per second
○
beeps once per second
○
vibrates once per seconds.
8. Press any button or wait 60 seconds to go to the normal reading screen.
9. Turn off the gas cylinder and remove the Calibration Adapter.
6.2. Maintenance
6.2.1. REPLACING SENSORS
Replace the sensors as follows:
1. Set or verify the monitor is turned off.
WARNING: DO NOT REPLACE SENSORS WHILE IN A HAZARDOUS LOCATION.
FAILURE TO FOLLOW THIS WARNING COULD LEAD TO SERIOUS
INJURY OR DEATH.
