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Jinan Rainbow Technology Co.,Ltd
electrochemical SO2 gas sensor

electrochemical SO2 gas sensor

Product catalog summary

Product Description: The Sulfur Dioxide Gas Sensor is designed for measuring CO concentration in the gas phase and can replace standard 4-series electrochemical CO sensors from other manufacturers.

Performance Characteristics:

SO2-5: Nominal range of 0-5 ppm, maximum overload of 20 ppm, sensitivity of 0.55 ± 0.15 μA/ppm, response time ≤ 45 s, zero signal < ± 0.2μA, baseline shift < 0.5 ppm, resolution of 50 ppb, linearity up to 5 ppm.
SO2-20: Nominal range of 0-20 ppm, maximum overload of 150 ppm, sensitivity of 0.50 ± 0.10 μA/ppm, response time < 45 s, zero signal < ±0.2 μA, baseline shift < 0.5 ppm, resolution of 0.1 ppm, linearity up to 20 ppm.
SO2-100: Nominal range of 0-100 ppm, maximum overload of 500 ppm, sensitivity of 0.37 ± 0.07 μA/ppm, response time ≤ 45 s, zero signal < ±0.2 μA, baseline shift < 0.5 ppm, resolution of 0.5 ppm, linearity up to 100 ppm.
SO2-2000: Nominal range of 0-2000 ppm, maximum overload of 4000 ppm, sensitivity of 0.020 ± 0.008 μA/ppm, response time ≤ 60 s, zero signal < ±0.4 μA, baseline shift < 4 ppm, resolution of 5 ppm, linearity up to 2000 ppm.

Environmental Conditions: Operates in temperatures from -20℃ to 50℃, pressure range of 1±0.1 atm, and humidity range of 15% to 90% RH non-condensing. Expected operating life is 2 years in clean air, with a storage life of 6 months in original packaging.

Intrinsic Safety Data: Maximum current at 4000 ppm SO2 is < 0.2mA, maximum open circuit voltage is 1.3V, and maximum short circuit current is < 1.0A.

Physical Characteristics: The sensor is housed in ABS material, weighs 5g, and has no specific orientation requirements. Improper use of sensor pins can affect functionality, and exposure to high solvent vapors or mechanical stress should be avoided.

Safety Note: The sensor is intended for life-critical applications and requires adherence to calibration procedures using certified target calibration gas. Opening the housing is dangerous due to harmful electrolyte inside.

Recommendations: Customers should validate sensor performance using this document as a reference for product designs or applications.

Catalog excerpts

Sulfur Dioxide Gas Sensor(SO2) Product Description The sensor is designed for the measurement of CO concentration in gas phase. It can be used as the pin-to-pin replacement of the standard 4-series electrochemical CO sensors which made by the other manufactures.

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Temperature Data Temperature Data

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Temperature Data

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Product Dimensions

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Installation Output signals from the sensor pins are different. Inappropriate use of the pins in product design will affect the sensor functionality. Exposure to high concentrations of solvent vapors should be avoided under any condition. Mechanical overstress may cause deformation or cracks of the plastic enclosure of the sensor. If the sensor is used in extreme environmental conditions, please contact us for more details.

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Safety Note: The sensor is designed to be used in certain instruments for life critical applications. To ensure the sensor functioning per its specifications inside the instrument, it is required to read the instrument user's guide carefully and comply with the calibration procedures by using certified target calibration gas before each use. Failure to do so may cause serious injury and fatality. Please do not open the housing because the electrolyte stored inside is harmful. It is highly recommended for customers to validate the sensor performance using this document as a reference for their...

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electrochemical SO2 gas sensor

electrochemical SO2 gas sensor

Catalog excerpts

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