Model: FD-H2-SENSOR
Datasheet: Click Here PDF
Availability: 3 week lead time
Compatible: FD-90A-H2, FD-600-H2, FD-60-H2, FD-600M-H2
These are generic H2 sensors used as the pin-to-pin replacement of the standard 4-series electrochemical sensors. It is used throughout many gas detector brands and is an excellent H2 gas sensor replacement element.
Our H2 electrolytic sensor operates by facilitating a reaction between hydrogen and oxygen at its working and counter electrodes. This electrochemical process generates an electric current directly proportional to the hydrogen concentration. By precisely measuring the resulting current, the sensor can accurately determine the hydrogen levels, providing a reliable method for hydrogen detection and quantification.
Our versatile H2 sensor finds critical applications across multiple domains, including industrial site monitoring, on-board hydrogen detection, municipal hydrogen management, and environmental protection. This advanced sensor technology enables precise hydrogen detection in diverse settings, ranging from industrial facilities to smart urban infrastructure. Its comprehensive capabilities support safety protocols, environmental monitoring, and technological advancements in hydrogen-related applications.
| Detection Principle | Electrochemical Three Electrodes |
| Detection Gas | H2 |
| Detection Range | 0-1000 PPM |
| Maximum Load Concentration | 2000 PPM |
| Output Signal | 20±10 nA/PPM |
| Zero Drift | ±1 PPM |
| Resolution | 1 PPM |
| Response Time | <60s |
| Bias Voltage | 0 |
| Load Resistance | 5~30Ω |
| Working Temperature | -30℃ to 50℃ |
| Working Humidity | 15%RH to 90%RH (no condensation) |
| Repeatability | <±2% output signal |
| Long-term Stability | <2% signal/month |
| Linearity | Linearity 2000 PPM |
| Work Pressure | 90 to 110 kPa |
| Shelf Life | 12 months after delivery |
| Service Life | 2 years |
| Interfering Gas | Gas Concentration Used (ppm) | Value Displayed (ppm H2) |
|---|---|---|
| CO | 50 | 150 |
| SO2 | 20 | 0 |
| H2S | 100 | 0 |
| CL2 | 10 | 1 |
| NO | 30 | 9 |
| NO2 | 20 | 1 |
| CH4 | 5000 | -2 |





