MIX3003 Semiconductor Alcohol Gas Sensor

  • Target Gas: Alcohol Gas
  • Range :25~500ppm
  • Application: Alcohol alarming in Vehicle,Portable Alcohol detector

Send Email: sales@mixsen.com

Principle Introduction:

The gas sensing material used in the MIX3003 gas sensor is a semiconductor material with low conductivity in clean air. When there is alcohol vapor in the environment where the sensor is located, the conductivity of the sensor increases with the increase of the alcohol gas concentration in the air. The change in conductivity can be converted into an output signal corresponding to the gas concentration using a simple circuit.

Feature:

*High sensitivity

*Reliable performance

*Low cost

*Long use service

*Small appearance

Application:

* Alcohol alarming in Vehicle

* Portable Alcohol detector 

Technical parameters :

Item Details
Detection Gas            Alcohol Gas
Detection Concentration 25~500ppm 
Heating Voltage(VH) 0.9V±0.1V AC or DC
Load Resistance(RL)              Adjustable
Loop Voltage ≤6V DC
Heating Resistance(RH) 4.0Ω±0.5Ω(Room Temp.)
Heating Power(PH) ≤140mW
Resistance of Sensitive Body Surface(R0) 1KΩ~400KΩ(in air)
Sensitivity(S) R0(in air)/Rs(in 125ppm alcohol)≥3
Concentration Slope ≤0.6(R300ppm/R50ppm alcohol)
Test Environment 20℃±2℃;55%±5%RH
Standard Test Circuit Vc:3.0V±0.1V DC ;VH: 0.9V±0.1V DC
Preheating Time More than 48 hours

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