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MQ-8 Hydrogen Gas Sensor
Original price was: ₹120.00.₹75.00Current price is: ₹75.00.
(-37%)The MQ-8 Hydrogen Gas Sensor Module is designed to detect the presence of hydrogen (H₂) gas in the air. It provides both analog and digital outputs, making it ideal for gas leakage detection, industrial safety monitoring, and automation projects.
Product details
The MQ-8 Hydrogen Gas Sensor Module uses a high-sensitivity semiconductor sensing element coated with tin dioxide (SnO₂), whose conductivity increases when hydrogen gas is present. The module continuously monitors the hydrogen concentration and produces an analog voltage output proportional to the gas level.
A built-in comparator circuit with a potentiometer allows sensitivity adjustment and provides a digital trigger output when hydrogen concentration exceeds the set threshold. The module includes indicator LEDs for power and digital alarm status. It is commonly used in hydrogen storage systems, fuel-cell technology labs, gas leakage safety alarms, and industrial process monitoring.
Specifications
- Sensor TypeMQ-8 Hydrogen Gas Sensor
- Gas DetectedHydrogen (H₂)
- Operating Voltage5V DC
- Output TypeAnalog AO & Digital DO
- Detection Range100 – 10,000 ppm (approx.)
- Warm-up Time20 seconds (initial), full stabilization in a few minutes
- SensitivityHigh sensitivity to Hydrogen gas
- Indicator LEDsPower LED and Digital Output LED
- Sensitivity AdjustmentOnboard potentiometer
- ApplicationsHydrogen leakage alarms, fuel-cell monitoring, industrial safety systems, hydrogen storage labs, gas detection projects
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