Detection
PDM+ Single Sustainable Gas Detector User Manual
4
D e t e c t i on
Caution
• Before operating this device, please read the manual carefully.
• This device is not a measurement device, but a gas detector.
• If calibration and self-test fails continuously, please do not use the device.
• For the O
2
detector, perform calibration every 30 days in the fresh air environment.
• Before use, please check the activation date, and if the activation date is past, please do not use
the device.
• Clean detectors with a soft cloth and do not use chemvical substances for cleaning.
• To maintain 24 months life time, avoid the below activities except the necessary cases to check
events(Max/Min), lifetime/concentration, and alarm set points. Otherwise, the frequent use of the
button will deplete the battery lifetime less than 24 months.
1. Push the button frequently without valid reasons.
2. Frequent alarm operation or alarms are remained for a long time. *Normal Alarm Use: 1 time
and 2 minutes per day.
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