Gas Sensor Detector, Five-in-one Combustible Gas Alarm Can Test CH4 Methane CO, CO2, H2S, NH3 Portable Explosion-proof Tester with High Precision High Sensitivity

Detection gas: flammable gas;
Detection range: catalytic combustion 0-100%LEL, ordinary infrared 0-100%LEL, ordinary infrared 0-100%Vol;
Detection principle: electrochemistry, catalytic combustion, infrared, thermal conductivity, PID photoion;
Display mode: 2.5-inch, high-definition color screen display, 8-button operation;
Detection accuracy: ≤±1%F.S;
Linearity: ≤±1%;
Repeatability: ≤±1%;
Alarm mode: sound and light alarm, vibration alarm, visual alarm, close alarm;
Response time: T90≤20 seconds;
Recovery time: ≤30 seconds;
Working power: DC3.7V;
Sensor life: 2 years for electrochemistry; 5-10 years for infrared principle; 2 years for catalytic combustion; 5 years for thermal conductivity; 10,000 hours for PID photoion;
Use environment: temperature: -40℃～+70℃, humidity: ≤0-99%RH;
Battery capacity: 3.7DC, 6000mAh;
Data storage: 100,000 pieces of data;
Communication interface: USB (charging and communication);
Protection class: IP65;
Dimensions: 195*77*46mm (L*W*H);
Weight: 350g;
Standard accessories: manual, certificate, USB charger (including data cable), back clip, humidity dust filter, high-grade aluminum alloy instrument case.

Data recovery function: Selective recovery or full recovery.
Built-in pump suction measurement, fast response, sampling distance of more than 10 meters.
Automatic zero-point tracking and multi-level calibration of target point improve the linearity and accuracy of measurement.
Waterproof, dustproof, explosion-proof, shockproof, intrinsically safe circuit design, antistatic, anti-electromagnetic interference.
The three display modes can be switched, and you can set whether to display the maximum value, minimum value, and gas name, and you can view the historical record graph.