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Principle Introduction
| The sensing material of MEWOI-MIX1004 is tin dioxide SnO2, which has low conductivity in clean air. When the combustible gas exists, the conductivity of the sensor will be raise according to the gas concentration goes up. Through a simple circuit, to convert the changes of conductivity to correspond to the gas concentration. MIX1004 Combustible (CH4) Gas Sensor has high sensitivity to methane, propane butane etc. combustible gas. The sensor can work in high temperature. It is low cost sensor and can be used in different applications. |
Features
* High sensitivity to wide range of combustible gas * High sensitivity to methane * Long life and low cost * High ant seismic |
Application
| Stable performance,Good shock resistance,High sensitivity,fast response |
Technical Parameters
* Domestic gas leakage detectors * Portable gas detectors |
Technical Parameters
| Item | Specification |
| Target Gas | Methane, Nature gas |
| Measurement Range | 300～10000ppm(CH4) |
| Heater Voltage(Vh) | 5V±0.1V AC or DC |
| Loop Voltage | ≤24V DC |
| Heater Resistance(Rh) | 29Ω±3Ω(Room temperature) |
| Heater Power Consumption(Ph) | ≤950mW |
| Sensitivity | Rs(in air)/Rs(5000ppm CH4)≥ 5 |
| Concentration Slope(α) | ≤0.6(R5000ppm/R1000ppm CH4) |
| Output In Target Gas | 2.5～4V(in 5000ppm CH4) |
| Testing Condition | 20℃±2℃；55%±5%RH |
| Oxygen concentration in used place | 21%, no less than 18% If used in low oxygen concentration, pleasure contact for detail |
| Life Expectancy | 10 years |
Lable:
Combustible Gas Sensor(CH4)
