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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: ALSRobot
  • Model Number: RB-02S016A
  • weight: 8g

Packaging & Delivery

Packaging Details Box: 16*12*10 cm
Gross weight :0.1kg
Delivery Time 3-5 days according to quantity

MQ -3 series gas sensor is designed to meet the demand of enviromental protection, it MQ - 3 gas sensor,with high sensitivity to ethanol, can resist the interference of gasoline, smog, vapor, detect ethanol in the air sensitively.the material of MQ - 3 gas sensor is SnO2 ,which has low conductivity in clean air. With a 3p line connecting  sensor shield(Arduino-Compatible) , through  mega168 controller programming(Arduino-Compatible), it an be made ethanol alarm, alcohol tester with buzzer module and relay module.

Application: used in detecting if someone is drunk or other ethanodetection.

  • Working Voltage:3.5-5.0 V
  • Detection range: 10-100ppm ethanol
  • Characteristic gas: 125ppm ethanol
  • Heating voltage: 5 + - 0.2 V (AC·DC)
  • Loop voltage:≤24V DC
  • Load resistance: adjustable
  • Voltage in clean air: ≤1.5 V
  • Sensitivity: Rin air/Rin typical gas≥5
  • Recovery time: ≤30S
  • Service life: 5 years
  • Size: 20.5 mm x 41mm
    Weight: 5g

 Zedoary process,Superior quality

Logo clearly,Convenient operation 





Size precision, High quality


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China (Mainland) | Trading Company
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6 Transactions 700+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $34,000
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