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Electrochemical H2S Sensor 4S-H2S
Summary:
4S-H2S sensor is a constant potential electrolytic H2S sensor. H2S and O2 undergo corresponding redox reactions at the working electrode and the counter electrode and release charges to form a current. The current is proportional to the H2S concentration. The H2S concentration can be determined by testing the current. 4S-H2S is widely used for the detection of hydrogen sulfide in industrial, mining and environmental protection.
Feature:
* Low power consumption
* High precision and sensitivity
* Wide linear range
* Strong anti-interference ability
* Excellent repeatability and stability
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APPLICATION
Industrial waste gas refers to the general term for various pollutant-containing gases discharged into the air generated during the fuel combustion and production process in the factory area of the enterprise. These gases enter the human body through the respiratory tract through different routes, some directly cause harm, and some have an accumulation effect, which will seriously endanger human health.
Coal Mining Industry Poison Gas Monitoring
Flammable gas is mainly detected by catalytic sensor, mainly measuring 100% LEL, and also using thermal conductivity components to measure 100% VOL. High-end gas detection products in the petrochemical industry are gradually using infrared gas sensors, which can measure 100% LEL and 100% VOL. At the same time, laser beam technology is also gradually being used in the petrochemical industry.
Common toxic and harmful gases can be divided into irritating gases and asphyxiating gases according to their toxic properties.
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PARAMETER
Technical Data Sheet
| Basic performance | |
| Sensitivity | 700±150nA/ppm |
| Range | 0～100ppm |
| Baseline drift | ＜±2ppm |
| Response time (T90) | ＜20s(Typical value 15s) |
| Recovery time (T10) | ＜20s(Typical value 15s) |
| Linearity | Linear |
| Repeatability | ＜±2% |
| Use environment | |
| range of working temperature | -40℃～+55℃ |
| Working pressure range | 800～1200mbar |
| Operating humidity range | 15%RH～90%RH |
| Life warranty | |
| Output drift | ＜15% Per year |
| Service life | ＞24months（in air） |
| Warranty | 12months（From the date of shipment） |
| Recommended storage temperature | 0～20℃（sealed container） |
| Electrical | |
| Resolution | ＜0.1ppm |
| Recommended load resistance | 10Ω |
| Intrinsic safety characteristics | |
| 2000ppm maximum current | 0.2mA |
| Maximum O/C voltage | 1.3V |
| Maximum S/C current | ＜1.0A |
Free Guide! Learn the Parameter Differences of Similar Sensors
Wondering how to find the most suitable one for you out of so many sensors? Download our free guide to learn the comparison table of technical parameters.
RELATED PRODUCTS
As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:
RELATED PRODUCTS
As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:
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How to choose the right sensor for your project?
We have 17 sensor series, 200+ categories, and 300+ detection objects for gas detection. Such as CO, CO2, VOC, PM2.5, CH4, LPG and so on. In particular, we also have MEMS sensors. According to your industry application, gas principle, power consumption, accuracy, and range requirements, and we can select a specific model for you. You can also use the product filter below to choose a suitable product, or choose online serivce.
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Here you can learn about the selection guide, common technical problems, packaging, transportation, MOQ, delivery time, etc.
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