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MQ5 module, liquefied gas, gas detection sensor module
MQ5 module, liquefied gas, gas detection sensor module
The gas sensitive material used in the MQ-5 gas sensor is tin dioxide (SnO2), which has low conductivity in clean air. When there is combustible gas in the environment where the sensor is located, the conductivity of the sensor increases with the increase of the combustible gas concentration in the air.
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MQ5 module, liquefied gas, gas detection sensor module
Introduction to MQ-5 sensor:
The gas sensitive material used in the MQ-5 gas sensor is tin dioxide (SnO2), which has low conductivity in clean air. When there is combustible gas in the environment where the sensor is located, the conductivity of the sensor increases with the increase of the combustible gas concentration in the air. Using a simple circuit, the change in conductivity can be converted into an output signal corresponding to the gas concentration. The MQ-5 gas sensor has high sensitivity to butane, propane, and methane, and can take into account both methane and propane. This sensor can detect a variety of flammable gases, especially natural gas, and is a low-cost sensor suitable for a variety of applications.
Module features:
1. Adopt high-quality double panel design, with power indication and TTL signal output indication; 2. With DO switch signal (TTL) output and AO analog signal output; 3. TTL output valid signal is low level. (When the output is low, the signal light is on, and it can be directly connected to
the microcontroller or relay module) 4. The voltage of analog output, the higher the concentration, the higher the voltage. 5. It has good sensitivity for gas and natural gas detection. 6. There are four screw holes for easy positioning; 7. Product dimensions: 32(L)*20(W)*22(H) 8. It has a long service life and reliable stability 9. Fast response and recovery characteristics
Electrical performance:
Input voltage: DC5V Power consumption (current): 150mA DO output: TTL digital quantity 0 and 1 (0.1 and 5V) AO output: 0.1-0.3V (relatively pollution-free), the highest concentration voltage is about 4V Special reminder: After the sensor is powered on, it needs to be warmed up for about 20S to stabilize the measured data.
It is normal for the sensor to heat up, because there is a heating wire inside, it will not be normal if the hand is hot.
1. Adopt high-quality double panel design, with power indication and TTL signal output indication; 2. With DO switch signal (TTL) output and AO analog signal output; 3. TTL output valid signal is low level. (When the output is low, the signal light is on, and it can be directly connected to
the microcontroller or relay module) 4. The voltage of analog output, the higher the concentration, the higher the voltage. 5. It has good sensitivity for gas and natural gas detection. 6. There are four screw holes for easy positioning; 7. Product dimensions: 32(L)*20(W)*22(H) 8. It has a long service life and reliable stability 9. Fast response and recovery characteristics
Electrical performance:
Input voltage: DC5V Power consumption (current): 150mA DO output: TTL digital quantity 0 and 1 (0.1 and 5V) AO output: 0.1-0.3V (relatively pollution-free), the highest concentration voltage is about 4V Special reminder: After the sensor is powered on, it needs to be warmed up for about 20S to stabilize the measured data.
It is normal for the sensor to heat up, because there is a heating wire inside, it will not be normal if the hand is hot.
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