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  • Mq 3 Alcohol Sensor With Competitive Price - China

    price: contact company for price

    MQ-3 gas sensor has high sensitity to Alcohol, and has good resistance

    to disturb of gasoline and vapor. The sensor could be used to detect

    alcohol with different concentration, it is with low cost and suitable

    for different application.

    Model No.: MQ-3

    Sensor Type: Semiconductor

    Standard Encapsulation: Bakelite (Black Bakelite)

    Detection Gas: Alcohol gas

    Concentration: 0.04-4mg/l alcohol

    Circuit Loop Voltage Vc: ≤24V DC

    Heater Voltage VH: 5.0V±0.2V AC or DC

    Load Resistance RL: Adjustable

    Character Heater Resistance RH: 31Ω±3Ω(Room Tem. )

    Heater consumption PH: ≤900mW

    Sensing Resistance Rs: 2KΩ-20KΩ(in 0.4mg/l alcohol )

    Sensitivity S: Rs(in air)/Rs(0.4mg/L Alcohol)≥5

    Slope α: ≤0.6(R300ppm/R100ppm Alcohol)

    Condition: Tem. 20℃±2℃; Humidity 65%±5%RH

    Standard test circuit Vc: 5.0V±0.1V;

    VH: 5.0V±0.1V

    Preheat time: Over 48 hours

    Competitive Advantages

    Well and High Quality Control ,

    Prompt Delivery ,

    Competitive Prices ,

    Small Order Acceptable


    Company Contact:


    • Phone: 86-18319061910

    • Address: No.11 Zhengshang Road, Zhengzhou, China, Zhengzhou , China

    • Email: Email


    Published date: January 24, 2014 -

    • Business Description: HJP Technology Co., Ltd is a professional manufacturer of gas sensors,

      we started gas sensor R&D and production since 1982, is one of the

      earliest gas sensor manufacturers in China. We insist on industry,

      knowledge, research combining road, engaged in production for various

      gas sensors with the annual output 3,000,000pcs, sales accounting for

      50% of domestic market, while exported worldwide with its stable

      performance and competitive price. Our sensor technology are in a

      leading position in China.

      Strong R&D capability is our outstanding advantage. We produce various series of gas sensors: Combustible gas sensor, Coal gas sensor, Natural gas sensor, LPG sensor, Carbon Monoxide sensor, Alcohol sensor, low power gas sensor, Catalytic sensor. We could offer one stop solution from gas sensor to detector with our professional gas sensor and PCB technology, meeting the different requirements of users with reliable quality and stable performance. We are committed to continuously improve the management level and new technologies, develop new products and expand the business market .

      We are sincere to cooperate with customers all of the word with first level gas sensor technology, timely delivery, professional technical support and guaranteed after sales service.

      Contact us now for more information!

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