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Electrochemical Hydrogen Sulfide Sensor EC-4H2S-50
EC-4H2S-50 is H2S sensor which detects Hydrogen Sulfide in level from 0-50 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-50 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-50 | 3-electrode electrochemical | 0~50ppm | 250ppm |
Gas Sensitivity Characteristics
| Gas | Concentration & Output Current |
| Hydrogen Sulfide (H2S) | 1.2 ± 0.3μA/ppm |
Ratings & environment
| Response Time | (T90)≤25s (Typical 16s) |
| Repeatability | <±2% signal |
| Linearity | Linear |
| Long term output Drift | <2% signal/month |
| Resolution | <0.05 ppm |
| Recommended Load | 5~50 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 H2S equivalent) |
| Carbon Monoxide | 200 | 3 |
| Nitric oxide | 30 | 0.6 |
| Ammonia | 40 | 0.3 |
| Sulfur Dioxide | 20 | 2 |
| Nitrogen Dioxide | 10 | -3 |
| Hydrogen | 80 | 0.2 |
Temperature Data
Sensitivity Temperature Dependence
