MQ-135 Benzene, Alcohol, smoke Sensor

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Using high-quality dual-panel design,with power indicator and TTL signal output instructions. The switching signal having a DO (TTL) output and analog output AO. TTL output valid signal is low. ( Low-level signal when the output light can be directly connected to the microcontroller or relay module ) Analog output voltage with the higher concentration of …
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MQ-2 Methane, Butane, LPG, smoke Sensor

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MQ-2 gas sensor sensitive material used in the clean air low conductivity tin oxide (SnO2). When there is the environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Using a simple circuit to convert the change in conductivity of the gas concentration corresponding to the output …
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MQ-3 Alcohol, Ethanol, smoke Sensor

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Sensitive material MQ-3 gas sensor is used in clean air low conductivity tin oxide (SnO2). When there is alcohol vapor in the environment sensor, conductivity sensor with increasing gas concentration of alcohol in the air increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal. High …
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MQ-4 Methane, CNG Gas Sensor

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Sensitive material MQ- 4 gas sensors used in clean air, low conductivity tin oxide (SnO2). When there is an environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal. …
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MQ-5 Natural gas, LPG Sensor

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Size: 32X22X27mm/ Main Chip: LM393, ZYMQ-5 gas sensor Operating Voltage: DC 5V Input Voltage: DC5V Power: 150mA DO Output: 0.1V/5V AO Output: 0.1-0.3A Features: Indication of the signal output Dual signal output (analog output, and TTL level output) TTL output signal is low. (When low output signal light, and can be connected directly to the …
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MQ-6 LPG, Butane Gas Sensor

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Sensitive material MQ-6 gas sensors used in clean air, low conductivity tin oxide (SnO2). When there is an environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal. MQ-6 …
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MQ-7 Carbon Monoxide Sensor

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Sensitive material MQ-7 gas sensors used in clean air, low conductivity tin oxide (SnO2). High-low temperature cycling detection mode (1.5V heating) carbon monoxide detector, conductivity sensor with the increasing concentration of carbon monoxide gas in the air increases,high-temperature (5.0V heating) cleaning cryoadsorption stray gases. Using a simple circuit to change the conductivity, concentration of the …
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MQ-8 Hydrogen Gas Sensor

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Sensitive material MQ-8 gas sensors used in clean air, low conductivity tin oxide (SnO2). When there is an environment in which the combustible gas sensor, conductivity sensor with increasing concentration of combustible gases in air increases. Use simple circuit can convert the change in conductivity of the gas concentration corresponding to the output signal. MQ-8 …
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MQ-9 Carbon Monoxide, Flammable Gas Sensor

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Sensitive material MQ-9 gas sensors used in clean air, low conductivity tin oxide (SnO2). High-low temperature cycling detection mode (1.5V heating) detecting carbon monoxide sensor’s conductivity increases with the air of carbon monoxide gas concentration increases, spurious adsorption at high temperature (5.0V heat) detection of combustible gases methane, propane, and cryogenic cleaning gas. Using a …
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