MicroDock II
User Manual
68
• Calibrate the sensor if the ambient gas readings vary during
startup.
• Calibrate a new sensor before use. Allow the sensor to stabilize
before starting calibration:
• Used sensor: 60 seconds
• New sensor: 5 minutes.
• Before calibrating a new NO or ETO sensor, allow the sensor to
stabilize for 2 hours in a safe area that is free of hazardous gas.
• Calibrate the sensors at least once every 180 days, depending
upon use and sensor exposure to poisons and contaminants. For
HCN sensors, calibrate at least once every 90 days.
• Calibrate the sensor before changing the alarm setpoints.
• When calibrating multiple times, wait 10 minutes between cali-
brations to allow the sensor to stabilize.
• If a certified calibration is required, contact BW Technologies by
Honeywell.
Calibration Procedure (All models excluding the GasAlertClip
Extreme)
A calibration adjusts the sensitivity level of a sensor to ensure an accu-
rate response to gas.
a Caution
Ensure the detector is not in a low battery state prior to performing
a calibration.
The base station automatically accepts an unusually large span adjust-
ment notification for the GasAlertMicro 5/PID/IR. Refer to the
GasAlertMicro 5/PID/IR User Manual.
The following detectors transfer event logs to the base station MMC dur-
ing a calibration:
• GasAlert Extreme
• GasAlertMicroClip
• GasAlertMax XT
• GasAlertQuattro
To perform calibration, complete the following:
1. Ensure the MMC/SD card is inserted if datalogging is required.
If the MMC/SD card is not inserted, displays on the LCD
when the base station attempts to log the results of the calibra-
tion. If required, refer to Inserting/Replacing a MMC/SD Card
.
2. Activate the detector and wait until it is in normal operation.
Insert it into the docking module.
3. Activate the base station and wait until it is in normal operation.
4. Press
C CALIBRATION on the corresponding docking module.
Note
For calibration procedures for the GasAlertMicro 5 IR with CO
2
sensor, refer to GasAlertMicro 5 IR with CO
2 Sensor.
If calibration is initiated while in the user options menu: Cal-
ibrations are initiated after exiting the user options menu.
If more than one docking module is queued: The first module
queued begins the calibration.
The RUN LED flashes yellow on the remaining docking modules
that are queued for calibration. When the first docking module is
complete, the next module in the queue begins calibration.
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