MQ-9 Flammable & Carbon Monoxide Gas Sensor Module
[SEN-16-029]
Volume discounts:
- +100 5 % $0.90
- +300 7 % $0.88
- +500 9 % $0.86
- +1000 11 % $0.85
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SKU
SEN-16-029
Ships in 2-3 business days, then:
Free delivery in 10-15 days by YunExpress on orders over $35.
Free delivery in 5-7 days by DHL on orders over $200.
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$0.95
Description:
Sensitive material of MQ-9 gas sensor is SnO2, which will lower the conductivity in clean air. It make detection by method of cycle high and low temperature, and detect CO when low temperature (heated by 1.5V). The sensors conductivity is higher along with the gas concentration. When high temperature (heated by 5.0V), it detects Methane, Propane, combustible gas and cleans the other gases absorbed under low temperature. MQ-9 gas sensor has high sensitivity to Carbon Monoxide, Methane and Liquefied Petroleum Gas (LPG). The sensor could be used to detect different gases contains CO and combustible gases, it is with low cost and suitable for different applications.
Specifications:
- Good sensitivity to CO/Combustible gas
- High sensitivity to Methane, Propane and CO
- Long life and low cost
- Simple drive circuit
- Sensor type: semiconductor
- Heating voltage (high): 5.0V±0.1V
- Heating voltage (low): 1.5V±0.1V
- Loop voltage: 10V DC
- Concentration: 10-1000ppm CO, 100-10000ppm combustible gas
- Load resistance: adjustable
- Heater resistance: 31±3（Room Temperature）
- Heater consumption: 350mW
- Sensing resistance: 2K-20K(in 100ppm CO )
- Sensitivity: Rs(in air)/Rs(100ppm CO)5
- Temperature humidity: 20±2, 65%±5%RH
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