10 ppm Lower Detection Range
Official range begins at 10 ppm and extends to 3000 ppm H2.
MPv-820 Semiconductor Hydrogen Gas Sensor
The Winsen MPv-820 is a TO-5 semiconductor hydrogen sensor for 10–3000 ppm H2 detection. Its metal-oxide sensing layer provides high sensitivity and fast response for compact hydrogen leakage monitoring systems.
BrandWinsen
Sensing PrincipleSemiconductor
Target GasH2
Product TypeSemiconductor Hydrogen Sensor
Hydrogen Sensing for OEM Integration
Product Overview
A compact flat-surface semiconductor hydrogen sensor for low-ppm H2 leakage monitoring.
MPv-820 uses multilayer thick-film manufacturing with a heater and metal-oxide semiconductor sensing material on a miniature Al2O3 substrate.
Hydrogen concentration changes sensor conductivity, enabling external circuitry to derive a concentration-related signal.
Designed for Reliable Integration
Key Features
High Sensitivity
Metal-oxide semiconductor material provides strong conductivity response to hydrogen.
Fast Response
Designed for hydrogen leakage monitoring applications.
Compact TO-5 Package
Flat-surface sensor architecture supports compact devices.
Simple Application Circuit
Resistance variation can be conditioned using a straightforward external circuit.
≤350 mW Heater Consumption
Official specifications list heater consumption at or below 350 mW.
Typical Use Cases
Applications
Hydrogen Energy Vehicles
Hydrogen Storage Stations
Hydrogen Leakage Monitoring
Embedded H2 Detection
Official Product Parameters
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | MPv-820 |
| Sensor Type | Semiconductor flat surfaced sensor |
| Standard Encapsulation | TO-5 |
| Detection Gas | H2 |
| Detection Range | 10～3000ppm |
| Loop Voltage (VC) | 5.0V±0.1V DC |
| Heating Voltage (VH) | 5.0V±0.1V DC |
| Load Resistance (RL) | Adjustable |
| Heating Consumption (PH) | ≤350mW |
| Surface Resistance (RS) | 0.5KΩ～10KΩ(in200ppmH2) |
| Sensitivity (Rs) | 0.2~0.6（H2） Rs300ppm/Rs50ppm |
| Standard Test Temperature/Humidity | 20℃±2℃；65%±5%RH |
| Standard Test Circuit | VC/VH :5.0V±0.1V |
| Warm-up Time | 7 days |
Specifications are based on the official Winsen product page or product manual. Confirm the latest datasheet, calibration requirements, communication protocol and mechanical drawing before final product design.
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