Installation: Plug the detector into 90V-240V AC plug, the green Power LED light up and the red Alarm LED will flash for 3 minutes, please wait and when the red led indicator is off, the detector is in normal working state. Alarm: When the gas concentration is over 2500PPM, the buzzer will make a continue sound as "Di Di Di" and the red indication light will flash. Technical Parameters: 1. Input voltage: 90V-240V AC 50-60Hz 2. Battery voltage: 9V rechargeable battery(used as back up in case AC power went out) 3. Working temperature: 0-50 degree Celsius 4. Environment Humility:10%-95% 5. Alarm threshold: 2500PPM(±1500PPM) 6. Alarm time: keep alarming after over 2500PPM 7. Size: Appro. 112x73x42mm Important: 1. The gas detector is easy to be effected by the sharp pounding and shock in transit or installation, lead to not work. So handle with care. 2. This is a Combustible Gas Detector, it can not detect the poisonous gas such as CO. 3. Scheduled maintenance: surface cleaning per month, inspection per half year. 4. Do not use the detergent to clean the gas detector, this will damage the gas detector. 5. Do not spray any sprays such as air freshener, hair spray, etc. 6.This product is only used to reduce the accident, cannot make sure everytime. Except use our detector in right way, please also pay more attention in your daily life and strengthen safety and security
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