Sensitivity: Methane 50 ppm;
Sensor type: Low power semiconductor;
Warm-up time: about 60 seconds;
Response time: 2s;
Detector Length: 16 inch;
Powered by 3 x Type-C batteries (included);
Operating temperature: 0~50'C;
Operating humidity: 10%~90%RH;
Press the button to "On" position, yellow light on when battery is full;
The machine warm up for approximately one minute and automatic to zero adjustment;
Approach the probe to test area, issued a "tick" sound accompanied by warning lights flashing after measuring the combustible gas meter ;
If the environment is noisy, you can use a headset;
Please remove battery if long time non-use.