MQ135 Gas Sensor – Air Quality
1. Sensitivity to Ammonia, Sulphide and Benzene steam
2. Sensitive for benzene, alcohol, smoke
3. Fast response and recovery
4. Adjustable sensitivity
5. Signal output indicator
6. Output voltage boosts along with the concentration of the measured gases increases.
MQ2 Gas Sensor – Methane, Butane, LPG, Smoke
1. Operating Voltage:+5V
2. Preheat Duration:20 s
3. Analog Output Voltage:0 to 5 V
4. Dimension:36x20x21 mm
MQ3 Gas Sensor – Alcohol, Ethanol, Smoke
1. Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off).
2. Current Consumption: 150mA.
3. DO output: 0.1 and 5V.
4. AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V
5. Detecting Concentration: 0.05-10mg/L Alcohol.
MQ4 Gas Sensor – Methane, CNG Gas
1. Detecting range: 300~10000ppm
2. Signal output indicator.
3. Dual Signal output (analog output and TTL output).
4. The TTL output signal is low level, allows us to connect with SCM directly.
5. Analog output 0~5V voltage.
6. Quick response and recovery.
MQ5 Gas Sensor – Natural gas, LPG
1. Model: MQ-5
2. Operating Voltage: 5V DC
3. Operating Temparature:-20~40 degree celcius
MQ6 Gas Sensor – LPG, butane
1. Model: MQ-6
2. Operating Voltage: 5V DC
3. Detecting Range:200-10000 ppm
4. Relative Humidity:<95% RH
MQ8 Gas Sensor – Hydrogen Gas
1. Using high-quality dual-panel design, with power indicator and TTL signal output instructions.
2. The switching signal having a DO (TTL) output and analog output AO.
3. TTL output valid signal is low.
4. The higher the voltage, the concentration of the analog output voltage is higher.
5. A hydrogen gas detection with good sensitivity.
6. Has a long life and reliable stability