1 ppm Resolution
Supports fine hydrogen concentration measurement.
ME4-H2 Electrochemical Hydrogen Gas Sensor
The Winsen ME4-H2 is a constant-potential electrochemical hydrogen sensor with a standard 0–1000 ppm range, 2000 ppm maximum range, 1 ppm resolution and T90 response of ≤30 seconds for industrial and environmental H2 monitoring.
BrandWinsen
Sensing PrincipleElectrochemical
Target GasH2
Product TypeElectrochemical Hydrogen Sensor
Hydrogen Sensing for OEM Integration
Product Overview
A high-precision electrochemical hydrogen sensor for industrial safety and environmental monitoring equipment.
ME4-H2 measures hydrogen through electrochemical oxidation-reduction reactions at the working and counter electrodes.
The generated current is proportional to hydrogen concentration, enabling linear concentration measurement through external signal-conditioning circuitry.
Designed for Reliable Integration
Key Features
≤30 s T90 Response
Designed for responsive industrial hydrogen monitoring.
Wide Linear Range
Output current follows hydrogen concentration over the specified range.
High Precision
Official product information highlights high precision and sensitivity.
Anti-Interference Capability
Designed for stable hydrogen measurement in target applications.
Compact Ø32 mm Package
Standard electrochemical package supports gas detector integration.
Typical Use Cases
Applications
Industrial Hydrogen Detection
Environmental Monitoring
Fixed Gas Detectors
OEM H2 Instruments
Official Product Parameters
Technical Specifications
| Parameter | Specification |
|---|---|
| Detection Gas | Hydrogen (H2) |
| Detection Principle | Electrochemical |
| Detection Range | 0～1000ppm |
| Max Range | 2000ppm |
| Sensitivity | (10.8±5.2) nA/ppm |
| Resolution | 1ppm |
| Response Time (T90) | ≤30S |
| Bias Voltage | 0mV |
| Load Resistance | 10Ω (recommended) |
| Repeatability | ＜2% Output value |
| Stability (/month) | ＜2% |
| Output Linearity | Linear |
| Zero Drift (-20℃～40℃) | ≤10ppm |
| Temperature Range | -20℃～50℃ |
| Humidity Range | 15%～90% RH non condensation |
| Pressure Range | Standard atmospheric pressure±10% |
| Life Span | 2 years |
| Size | φ32×14.5 |
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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