3SFF 3SF/F Electrochemical Sulfur Dioxide (SO₂) Gas Sensor For Accurate Detection Of Sulfur Dioxide Concentration

3SFF 3SF/F Electrochemical Sulfur Dioxide (SO₂) Gas Sensor For Accurate Detection Of Sulfur Dioxide Concentration

The 3SFF is a dedicated sensor designed for accurate detection of sulfur dioxide concentration. It operates on the three - electrode electrochemical principle. This design not only enhances the stability of the sensor but also effectively reduces signal drift during long - term operation. It is equipped with an H₂S/HCl filter to avoid interference from impurity gases and ensure the accuracy of SO₂ detection. The sensor does not require an external bias voltage, and its compact size fits the standard 3 - series dimensions, making it easy to integrate into portable or fixed gas detection devices. It is widely used in industries such as coal mining, metallurgy, petrochemicals and fire protection due to its reliable performance.

Key Performance Characteristics:

1. Strong Anti - interference Ability: Equipped with a special H₂S/HCl filter, it can effectively eliminate the interference of hydrogen sulfide, hydrogen chloride and other impurity gases on the detection results, ensuring the authenticity and reliability of SO₂ concentration data.
2. Stable Working Performance: The repeatability error is only 1% of the signal, and the long - term sensitivity drift is less than 2% signal loss per month. It can maintain stable detection performance even in long - term continuous operation.
3. Easy Integration: It has the advantage of no need for bias voltage and a recommended load resistor of only 10 Ω. The simple electrical requirements enable it to be quickly matched with various detection circuits and integrated into different types of gas detection modules.
4. Adaptable to Harsh Environments: It can work normally in the temperature range of -20°C to +50°C and the humidity range of 15 - 90% RH, and can adapt to the harsh environmental conditions of most industrial sites such as coal mines and petrochemical plants.

Application Scenarios:

• Fixed and portable SO₂ gas detectors, which are used for real - time monitoring of sulfur dioxide concentration in workshops and production sites.
• Flue gas detection systems in the petrochemical and metallurgical industries to monitor sulfur dioxide emissions during production processes and ensure compliance with environmental standards.
• Safety monitoring equipment in coal mines to prevent safety risks caused by excessive accumulation of sulfur dioxide gas.
• Fire - fighting emergency detection devices, which can quickly respond to sulfur dioxide leakage accidents and provide early warning support.

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3SFF 3SF/F Electrochemical Sulfur Dioxide (SO₂) Gas Sensor For Accurate Detection Of Sulfur Dioxide Concentration Images