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Hydrogen Electrochemical Sensor EC-4H2-40000
EC-4H2-40000 is a hydrogen sensor which detects Hydrogen in level from 0-40000 ppm.This product is for fixed and portal applications for detection of H2 in industrial and environmental protection fileds.
Hydrogen Electrochemical Sensor EC-4H2-40000 can be retrofitted easily to existing product designs.
Dimensions in millimeters(±0.1mm)
Target Gas and Concentration
| Gas | P/N | Operating principle | Detection Range |
| Hydrogen (H2) | EC-4H2-40000 | 3-electrode electrochemical | 0~40000ppm |
Gas Sensitivity Characteristics
| Gas | Concentration & Output Current |
| Hydrogen (H2) | 7± 2 nA/ppm |
Ratings & environment
| Response Time | (T90)≤60s (typical 35s) |
| Repeatability | <±2% signal |
| Linearity | Linear |
| Long term output Drift | <2% signal/month |
| Resolution | 70 ppm |
| Recommended Load | 5~35 Ω |
| Bias Voltage | 0 mV |
| Operating Temp. Range | -30℃~ 50℃ |
| Operating Humidity | 15% RH ~ 90% RH(non-condensing) |
| Operating Pressure Range | 800 ~ 1200 mbar |
Storage & Shelf Life
| Recommended Storage Temperature | 0℃~ +20℃ in sealed package |
| Expected Operating Life | 24 months in air |
| Storage Life | 6 months in original package |
| Standard Warranty | 18 months from the date of delivery |
Cross Sensitivity Data
| Gas | Concentration (ppm) | Output Signal (ppm H2 equivalent) |
| Carbon Monoxide | 50 | 170 |
| Nitric oxide | 20 | 0 |
| Hydrogen Sulfide | 25 | 0 |
| Sulfur Dioxide | 10 | 0 |
| Chlorine | 8 | 0 |
| Nitrogen Dioxide | 10 | 0 |
Temperature Data
Sensitivity Temperature Dependence
