MQ-3 Smoke Sensor Drinking & Ethanol Vapor Detection For Alcohol

SKU: 180816

1.29 1.29 Piece 1.29 USD

¥ 8.80

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Application 

  • Used for the drink detection of the vehicle and other risks, ethanol vapor detection.   

Specification 

  • Gas: Alcohol 

  • Detection Range: 10~1000ppmm alcohol 

  • Characteristics Gas: 125ppmm alcohol 

  • Sensitivity: R in air/Rin typical gas≥5 

  • Sensing Resistance: 1~20KΩ in air 

  • Response Time: ≤ 10s (70% Response) 

  • Recovery Time: ≤ 30s (70% Response) 

  • Heating Resistance: 31Ω ± 3Ω 

  • Heating Current: ≤ 180mA 

  • Heating Voltage: 5.0V ± 0.2V 

  • Heating Power: ≤ 900mW 

  • Measuring Voltage: ≤ 24V 

  • Working Conditions 

  • Temperature: -20 Celsius ~ +55  Celsius  

  • Humidity: ≤ 95% RH 

  • Environmental Oxygen Content: 21% 

Storage Conditions 

  • Temperature: -20  Celsius   ~ +70  Celsius  

  • Humidity: ≤ 70% RH