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Within 60~90 minutes at 50ppm CO concentration; Within 10~40 minutes at 100ppm CO concentration; Within 3 minutes at 300ppm CO concentration LCD Displayer (optional): 4 digits LCD displayer Audibility: 85dB ( at 1m distance ), Frequency 3 - 0.5KHZ Standby Current: <50μA Alarm Current: <50mA Standby Mode: Green Led flashes once every 30..

Electrochemical carbon monoxide detectors are specially designed to detect CO gas. CO gas is a colorless, odorless, non-irritating, poisonous gasthat cannot be sensed by the five senses. It is mostly produced in fireplaces, charcoal, and electricappliances with insufficient oxygen. Heater, water heater combustion environment. Therefore, in order to..