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Principle Introduction
| The sensing material of MEWOI-MIX1003 Alcohol Sensor is tin dioxide SnO2, which has low conductivity in clean air. When the alcohol 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. |
Features
High sensitivity to wide range of alcohol High sensitivity to alcohol Long life and low cost High anti-seismic |
Application
Personal usage alcohol meter breathalyzer Commercial usage alcohol meter breathalyzer Other usage alcohol detectors |
Technical Parameters
| Item | Specification |
| Target Gas | Alcohol |
| Measurement Range | 25～500ppm(alcohol) |
| 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) | ≤900mW |
| Sensitivity | Rs(in air)/Rs(125ppm C2H5OH)≥ 5 |
| Output In Target Gas | 2.5～4V(in 125ppm C2H5OH) |
| Testing Condition | 20℃±2℃；55%±5%RH |
| Life Expectancy | 10 years |
Lable:
Semiconductor Alcohol Sensor
