Portable CO Detector 3-in-1 Carbon Monoxide Detector, Alarm Temp/Humidity Detector with Lanyard and Magnetic Suction Function, Mini CO Monitor
SKU: GW40.0008
Q
How often does it have to be calibrated ?
Answer Question
A
Every time it's powered on, it goes through a little 20 second self-calibration routine. You can override it by pressing one of the buttons on the front of the unit.
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