To Clear An Alarm; Calibration Check (Figure 3-4) - MSA Orion G Mode D'emploi

Operating Manual
5. Press the CHANGE/RESET button to reset the alarm and
restart the pump.
During operation, a pump alarm may occur when the:
• Flow system is blocked
• Pump is inoperative
• Sample lines are attached or removed.

To Clear an Alarm

1. Correct any flow blockage.
2. Press the CHANGE/RESET button.
• The Pump will now restart.
NOTE: When the instrument is in a gas alarm, the pump
alarm may not display until gas alarm is cleared.

Calibration Check (FIGURE 3-4)

The calibration check is simple and should only take about one
minute. Perform this calibration check before each day's use.
1. Turn ON the Orion G Multigas
and Leak Detector in clean,
fresh air.
2. Verify that readings
indicate no gas is present.
3. Attach the regulator (supplied
with calibration kit) to
the cylinder.
4. Connect the tubing (supplied
with calibration kit) to
the regulator.
5. Attach the other end of tubing
to the Orion G pump inlet
fitting.
6. Open the regulator valve.
• The flow rate of the
regulator is 0.25 lpm.
Chapter 3, Using the Orion G Gas Utility Instrument
Figure 3-4. Orion G Detector
with Calibration Tubing
3-7