H2 sensor
MQ8 GAS SENSOR
- Operating Voltage: 3.3 – 5V.
- Type: Analog Sensor.
- Detection range: 100~1000ppm(H2 gas)
- Heating voltage (high): 5V ± 0.1
- Heating voltage (low): 1.4V ± 0.1
- Load resistance: Adjustable
- Heating resistance: 31Ω ± 5%
- Heating consumption: less than 800mW
- Using temperature: -20°C-50°C
- Storage temperature: -20°C-50°C
- Relative humidity: 55%+-5%RH
- High Sensitivity for Hydrogen
- Small sensitivity to alcohol, LPG, cooking fumes
MQ8 Module
- Interface Type: Analog & Digital
- Working voltage: DC 5V
- Dual signal output (analogue output, and TTL level output)
- Detection Gas: Hydrogen
- Detection range: 100 to 10, 000 ppm
- The TTL output signal is low. (When low output signal light, and can be connected directly to the microcontroller)
- Onboard Power indication
- Good sensitivity to Combustible gas in a wide range
- Can be resistant to ethanol steam, LPG (petroleum), smoke interference.
- Simple drive circuit
- An indication of the signal output
- High sensitivity to hydrogen.
- The higher the voltage, the concentration of the analogue output voltage is higher.
- Four screw holes for easy positioning
- Has a long life and reliable stability.
- Fast response and recovery characteristics.
- Adjustable sensitivity
- Dimension: 32mm x 22m x 27mm