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Principle Introduction
| The sensing material of MEWOI-MIX1005 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.MEWOI-MIX1005 Combustible (CH4 & LPG) Gas Sensor has high sensitivity to LPG (C3H8) 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 LPG * High sensitivity * Long life and low cost * High ant seismic |
Application
| Domestic gas leakage detectors,Portable gas detectors |
Technical Parameters
| Target Gas | Combustible gas, LPG |
| Measurement Range | 300~10000ppm(C3H8, CH4) |
| Heater Voltage(Vh) | 5.0V±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(2000ppm C3H8)≥ 5 |
| Concentration Slope(α) | ≤0.6(R3000ppm/R1000ppm C3H8) |
| Output In Target Gas | 2.5~4.0V(2000ppm C3H8) |
| 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 |
