Wadfow WGH1503 Digital Gas Indicator

Wadfow WGH1503 Digital Gas Indicator Range:50~1000ppm(methane) Detecting gas: Combustible gas Response sensitivity: <50 PPM Response time: <=500 PPM: 5 seconds; >=500 PPM: 2 seconds Warm-up time: about 30 seconds Alarm mode: analog display and wind chime Use environment: 0-50℃/20-80% RH Storage environment: -10~60℃/20-80% RH Power supply: 2x1.5V AAA batteries.

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