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64171, Rev. 10/May 2019

3M™ GMI™ PS200 PORTABLE GAS MONITOR

OPERATION

3-2

Additional:

• Perform regular leak checks on pumped instruments by placing your thumb over the sample inlet

nozzle and ensuring the monitor displays FLOW FAULT.

• Perform regular bump tests.

3.2. Quick Configuration Display

This allows configuration information to be viewed without fully switching the monitor ON (see

Figure 3-2: Quick Configuration Display).

With the monitor OFF, press the R Button for less than one second. The monitor will display:

• sensors fitted;

• calibration due date;

• pumped or diffusion;

• LEL calibration gas.

Figure 3-2: Quick Configuration Display

3.3. Switching the Monitor On

Press and hold the R Button for one second to switch the monitor ON (refer to Figure 3-1: Function

Buttons

). The flash screen appears (as shown in Figure 3-3: Flash Screen) and the monitor begins its

warm-up routine. A countdown timer appears in the top right corner of the display.

WARNING: ALWAYS SWITCH THE MONITOR ON IN FRESH AIR. FAILURE TO HEED

THIS WARNING COULD RESULT IN SERIOUS INJURY OR DEATH.

NOTE: The LCD backlight is green during warm-up and automatically switches off when

warm-up is complete.

3M GMI PS200 Series User Manual

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