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Hydrogen Sulfide Electrochemical Sensor EC-4H2S-100
EC-4H2S-100 is a H2S sensor which detects Hydrogen Sulfide in level from 0-100 ppm.This product is for fixed and portal applications for detection of H2S in industrial,environmental and life safety protection fileds.
Hydrogen Sulfide(H2S) Electrochemical Sensor EC-4H2S-100 can be retrofitted easily to existing product designs.
Dimensions in millimeters(±0.1mm)
Target Gas and Concentration
| Gas | P/N | Operating principle | Detection Range | Maximum Overload |
Hydrogen Sulfide (H2S) | EC-4H2S-100 | 3-electrode electrochemical | 0~100ppm | 500ppm |
Gas Sensitivity Characteristics
| Gas | Concentration & Output Current |
| Hydrogen Sulfide (H2S) | 0.7 ± 0.2μA/ppm |
Ratings & environment
| Response Time | (T90)≤25s (Typical 16s) |
| Repeatability | <±2% signal |
| Linearity | Linear |
| Long term output Drift | <2% signal/month |
| Resolution | <0.1 ppm |
| Recommended Load | 5~10 Ω |
| Bias Voltage | 0 mV |
| Operating Temp. Range | -40℃~ 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 H2S equivalent) |
| Carbon Monoxide | 200 | 1 |
| Nitric oxide | 30 | 0.5 |
| Ammonia | 40 | 0 |
| Hydrogen Chloride | 10 | 0 |
| Hydrogen Cyanide | 10 | 0 |
| Ethylene Oxide | 100 | 0 |
| Nitrogen Dioxide | 10 | -1 |
| Hydrogen | 80 | 0 |
Temperature Data
Sensitivity Temperature Dependence
