BOSEAN Natural Gas CO Gas Leak Meter Combustible Gas Tester Alarm Determine Tester for Home with Valve

Features 1 Protects you and your family from two threats carbon monoxide and explosive gas 2 Sounder Alarm The BH H3 Gas Tester offers a loud 75 decibel pulsing alarm that will sound to alert you to a potential problem 3 Alarm Status When the combustible gas concentration reaches the alarm value the red alarm indicator keep flashing and the Alarm keeps 1 sound per second When the concentration of carbon monoxide reaches the alarm value the red alarm indicator is keep on light the Alarm keeps 2 sounds per second 4 Peak Level Memory Recalls the highest CO concentration detected5 Test Reset Button Tests unit s electronic circuitry operation and allows you to immediately silence the alarm 6 Two alarms in one detects carbon monoxide and explosive gas7 Three convenient mounting optionsSpecification 1 AV voltage AV 220V 110V2 Working temperature 0 50℃3 Environment Humility 10 95 4 Detecting gas Combustible gasCO5 Sensor type Semiconductor sensor6 Gas Sampling Diffuse naturally7 Alarm set point Combustible gas 10 LEL CO 100PPM8 Warming time 3min9 Accuracy Combustible gas ±3 LEL CO ±50PPM10 Response time ≤60s resume automatically≤30sPackage included 1 x Gas Tester1 x English User Manual