MQ-4 gas sensor methane sensor, gas sensor dedicated
FC-22 v1.3, with Arduino, MCU and development kits with MQ-4 detection capabilities. It is able to detect gas, propane, hydrogen, flammable vapors and a variety of flammable gases with high precision, low cost and reliability.
The sensitive sensor material of the gas sensor is SnO2, which with air has low conductivity. In the presence of combustible gases, the conductivity of the sensor is greater in the degree of gas concentration.
The MQ-4 sensor can detect gas, propane, hydrogen, natural gas, flammable vapors and provide high precision and reliability over time.
It is advisable to use simple circuits to convert the conductivity variation to match the output signal.
The MQ-4 gas sensor has a high gas sensitivity to methane, smoke and other fuels.
* Good fuel gas sensitivity in a wide range
* High sensitivity to methane gas
* Long lasting and low cost
* Simple drive circuit
* Home gas leak detector
* Industrial Fuel Gas Detector
* Portable gas detector
Detection range: 10 ~ 1000ppm
Operating voltage: 5Vdc
High-quality, two-layer PCB, with LEDs and power indicators (TTLs)
Analog output voltage: 0 ~ 5Vdc (output proportional to the detected concentration)
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