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Sensitive material MQ-5 gas sensor is used to clean the air in the lower conductivity of tin dioxide (SnO2). When it is in the environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gas in air increases. Using a simple circuit to convert the the change in the conductivity of the gas concentration corresponding to the signal output. MQ-5 Sensor high butane gas, propane, methane sensitivity, methane and propane can be better taken into account. This sensor can detect a variety of fuel gases, particularly natural gas, is a low cost sensor for a variety appplications.
Gas can be used in homes and factories device suitable for gas leak detection monitoring, butane, propane, methane, smoke,Liquefied petroleum gas, natural gas, coal gas monitoring device suitable for home or industrial. Excellent resistance to alcohol, smoke interference ability.
Features : 1. Indication of the signal output. 2. Dual signal output (analog output, and TTL level output) 3. TTL output signal is low. (When low output signal light, and can be connected directly to the microcontroller) 4. 0 ~ 5V analog output voltage, the higher the concentration, the higher the voltage. 5. Liquefied petroleum gas, natural gas, city gas, better sensitivity. 6. Has a long life and reliable stability 7. Fast response and recovery characteristics