GasAlertMicro5 Calibration Procedure

1.In a dean atmosphere, press and hold and simultaneously (as the detector beeps and flashes to the corresponding countdown) to enter calibration.The dtect or then reads Starting Calibration

2. flashes while the detector zeroes all of the sensors and calibrates the oxygen sensor.If a sensor failed to auto zero, it will bypassthe span

3. Next,the following threen screens appears:
- Apply span gas now tocalibrate
- or press to select sens or (s)
- or press to skip calibration
If no button is pressed,process to step #5.If is pressed,go to step #4.If is pressed go to the end of step #6.

4.This option allows the user to select which sensor to span.Use and to scroll to a sensor and press to deselect it.

Sensors should be spanned in the following order:exotics (NH3,ClO2,O3 and Cl2),singe gas,quad gas (H2S,CO,O2 and LEL), and lastly PID.

5. Attach the calibration cap and apply gas at a flow rate of 500 ml/min. flashes as the unit senses which gas is being applied.
After 30 seconds flashes and a countdown appears while the unit completes the span.

6. Once span is complete,the folllowing three screens appear:
- Calibration sucessfull
- Press to apply new cal gas
- Press to end span
Repeat steps #3-6 to calibrate the remaining sensors.

The disply then advises to press to set or to bypass the calibrate due dates.

7.Press or to change the calibration due date and press to accept this value and proceed to the next due date.(If a sensor failed or did not span,you can not change the calibration due date for that sensor)

The display then advises to press to set or to bypass the alarm setpoints.

8. Press or to change alarm setpoint and press to save the displayed value and proceed to the next setpoint.Set the remaining setpoint.The detector beeps twice at the end of the alarm setpoint stage.

9. Saving Calibration is displayed to indicate that calibration is complete.
Note
The calibration cap should only be used during the calibration precess.