How often does it have to be calibrated ?

Portable CO Detector 3-in-1 Carbon Monoxide Detector, Alarm Temp/Humidity Detector with Lanyard and Magnetic Suction Function, Mini CO Monitor with 1000mAh Battery, for Home/Travel/Outdoor

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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