2015NEW KEYESTUDIO MQ-7 Carbon Monoxide Gas Sensor MQ-7


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Overview and Specifications:

Brand Keyestudio
Model N/A
Quantity 1Set
Form Color Black
Material FR4
Application Arduino learning
Working Voltage DC 3.3V-5V
English Manual / Spec No
Download Link http://www.keyestudio.cc/h-nd-75.html
Other Features
Other Features Specification: Working voltage: DC 3.3V-5V Working current: 20mA Working temperature: 1050 IO Interface: 3 wire interface (-/+/S/) Target gas: carbon monoxide Detectable concentration: 300-10000ppm CO Loop voltage Vc 10V DC Heating voltage VH 5.0V±0.2V ACorDC(hight); 1.5V±0.1V ACorDC(low) Load resistance RL adjustable Heating resistance RH 31±3(Room temperature) Heating power PH 350mW Surface resistance of sensitive material Rs 2K-20K(in100ppmCO) Sensitivity S Rs(in air)/Rs(100ppmCO)5 Concentration slope: 0.6(R300ppm/R100ppm CO) Temperature, humidity: 20±265%±5%RH Standard test circuit: Vc:5.0V±0.1VVH(high): 5.0V±0.1VVH(low): 1.5V±0.1V
Dimensions & Weight
Dimensions 2.05 in x 0.83 in x 0.51 in (5.2 cm x 2.1 cm x 1.3 cm)
Weight 0.21 oz (6 g)
Packing List
1 x MQ-7 carbon monoxide gas sensor

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