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MQ - 4 Natural Coal Air Quality Gas Sensors , Adjustable Methane Gas Sensor

Minimum Order Quantity : 100 Price : Negotiation
Packaging Details : BAG Delivery Time : STOCK
Payment Terms : T/T, Western Union , ESCROW Supply Ability : 50000
Place of Origin: CHINA Brand Name: ECHIP
Model Number: MQ-4

Detail Information

VC: <24vdc VH: 5.0V +-0.1V AC Or DC
RL: Adjustable Detection Range: 300-10000ppm
Other Name: Methane Gas Sensor Type: MQ - 4
High Light:

methane gas sensor


fiber optic receiver

Product Description


MQ-4 Air Quality Gas Sensors Methane Gas Sensor Natural Coal Co Methane Detector Module



It is widely used in domestic gas leakage alarm, industrial flammable gas alarm and portable gas detector.

It has good sensitivity to propane, smoke &etc in wide range, and has advantages such as long lifespan, low cost and simple drive circuit &etc.

Sensitive material of MQ-4 gas sensor is SnO2, which with lower conductivity in clean air. When the target flammable gas exist, the sensor’s conductivity gets higher along with the gas concentration rising. Users can convert the change of conductivity to correspond output signal of gas concentration through a simple circuit.
MQ-2 gas sensor has high sensitivity to propane and smoke, also can detect the natural gas and other flammable steam well. It is with low cost and suitable for different applications of detecting kinds of flammable gases.


Technical Data:



MQ - 4 Natural Coal Air Quality Gas Sensors , Adjustable Methane Gas Sensor 1





Deli electronics tehcnology co ltd



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