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GasAlertMicro 5/PID/IR
User Manual
Start Calibration
Verify that the calibration gas being used matches the span
concentration value(s) that are set for the detector. Refer to
Span Gas
Value. Correction factors are not applied during cali-
bration. Correction factors that were set prior to calibration are
restored when the detector returns to normal operation.
The calibration icon will flash if a sensor has an overdue cali-
bration
Calibrate only in a safe area that is free of hazardous gas
in an atmosphere of 20.9% oxygen.
1. To enter calibration, press and hold C and H simultane-
ously as the detector beeps, flashes, and vibrates to the
corresponding countdown.
Auto Zero and Oxygen (O
2.
flashes while the detector automatically zeroes the
toxic and combustible sensors, and calibrates the O
52
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Note
Note
a Caution
) Sensor Calibration
2
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Depending upon the detector being calibrated, the auto zero
screens display differently.
GasAlertMicro 5/PID
Do not apply calibration gas during this process, otherwise the
auto zero step will fail.
Zero CO
(GasAlertMicro 5 IR only)
2
If calibrating using the GasAlertMicro 5 or the GasAlertMicro PID, pro-
ceed to
Auto Span
ceed to
Passcode Protect
3. For GasAlertMicro 5 IR models, there is a second auto zero
that is performed for the CO
When auto zero for the other sensors is complete, the following
screen displays.
sensor.
GasAlertMicro 5 IR
Note
step #5. If the detector is passcode protected, pro-
step #4.
sensor.
2
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Table of Contents
Troubleshooting
