Hydrogen Sulfide Gas Sensor EC Sense ES4-H2S-100-01 Featuring Amperometric Three Electrode Technology
Product Overview
The ES4-H2S-100-01 is a Hydrogen Sulfide gas sensor utilizing Solid Polymer Electrochemical Gas Sensing Technology. It offers easy gas sensor solutions with an amperometric, 3-electrode operating principle and a bias voltage of 0 mV. This sensor is designed for applications requiring accurate detection of hydrogen sulfide, featuring a fast response time, low noise, no electrolyte leakage, and a long expected lifetime. It is individually calibrated with a test report and is cost-effective for large volumes.
Product Attributes
- Brand: Easy Gas Sensor Solutions
- Housing Material: PPO
- Weight: < 6g
- Warranty: 12 months
- Origin: EC Sense GmbH (Germany), Ningbo AQSystems Technology Co., Ltd. (China)
Technical Specifications
| Part Number | Performance | Operation | Environment | Lifetime | Typical Applications | Futures |
|---|---|---|---|---|---|---|
| 01-ES4-H2S-100-01 | Sensitivity: 90 nA/ppm 20 nA/ppm Zero Current: 20 nA Range: 0-100ppm Maximum Overload: 200ppm Resolution (16Bit ADC): 0.1ppm Response Time: T50 < 10s, T90 < 30s Repeatability: 1 % Lower Detectable Limit (LDL): 1ppm Linear Range: 100 ppm | Operating Principle: Amperometric, 3-electrode Bias Voltage: 0 mV Recommended Load Resistor: 100 Warm Up Time: < 60 s | Operating Temperature Range: -40 to +55 Operating Humidity Range: 15-95 %RH. Non-condensing Operating Pressure Range: 800 to 1200 hPa Storage Temperature: 0 to 20 | Long-Term Drift: < 1 %/month Expected Lifetime: > 3 years in air Zero Drift in Clean Air: < 2 ppm Storage Life: 12 months | Water Treatment Plants Biogas Applications Portable & Fixed Point Applications Leakage Detection | Extreme linear response up to high concentration Fast response time Low noise No electrolyte leakage Low cost at large volumes Individually calibrated (including test report) |
Cross Sensitivity
| Gas | Formula | Test Concentration | Sensor Reading |
|---|---|---|---|
| Carbon Dioxide | CO2 | 1000ppm | 0ppm |
| Ammonia | NH3 | 50ppm | 0ppm |
| Carbon Monoxide | CO | 50ppm | 3ppm |
| Methane | CH4 | 1%vol | 0ppm |
| Chlorine | Cl2 | 10ppm | -1.5ppm |
| Isopropanol | C3H7OH | 1000ppm | n.e |
| Hydrogen | H2 | 100ppm | 3ppm |
| Hydrogen Cyanide | HCN | 10ppm | 0ppm |
| Sulphur Dioxide | SO2 | 10ppm | n.e |
| Nitric Oxide | NO | 25ppm | 0ppm |
Note: The above parameters are the test results at a temperature of 25C, a relative humidity of 50%RH and a normal pressure environment. The performance of the sensor is different under different environmental conditions.
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