All - Solid - State Structure: Adopts an all - solid - state design, being lightweight, and it has great stability and reliability .
Low - Power & Long - Lasting: Features low power consumption, which is beneficial for battery - driven devices; The service life is long, reducing the frequency of device replacement .
Good Anti - interference: Has remarkable anti - interference ability, being able to avoid the interference from reducing gases like alcohols, methane and carbon monoxide, which guarantees detection accuracy .
Quick Reaction: Can detect hydrogen as low as 1ppm or even in ppb level, and the response time is within 10 seconds, which can promptly discover slight hydrogen leakage .
Good - quality Output: Has temperature compensation, and offers linear output; Comes with output forms including serial port (UART) and PWM waveform, which is convenient for connection with various control systems .

Application Areas:

Applied to hydrogen - fuel - cell cars, to detect hydrogen leakage inside and around the vehicle fuel cell system .
Used in hydrogen production workshops, hydrogen storage tank farms, and hydrogen - powered charging stations, which is for ensuring the safety of hydrogen energy storage and delivery by monitoring hydrogen gas concentration .
Suitable for other situations where hydrogen concentration detection is required, such as in some hydrogen - involved chemical reaction apparatuses .

Sensor Type	MEMS - MOS
Standard Encapsulation	Ceramic
Detected Gas	Hydrogen(H₂)
Detection Range	0.1 - 1000ppm(H₂)
Loop Voltage(VC)	≤24V DC
Heater Voltage(VH)	2.5V±0.1V (AC or DC)
Load Resistance(RL)	Adjustable
Heater Resistance(RH)	80Ω±5Ω(at room temperature)
Heater Power Consumption(PH)	≤50mW
Resistance of Sensitive Material(Rs)	1KΩ - 30KΩ (in 200ppm H₂)
Sensitivity	S=R₀(in air)/Rs(in 200ppm H₂)≥5
Concentration Slope	α≤0.6 (R₅₀₀ppm/R₂₀₀ppm H₂)

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