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Jinan Rainbow Technology Co.,Ltd
electrochemical nitrogen dioxide gas sensor

electrochemical nitrogen dioxide gas sensor

Product catalog summary

Product Description
The Electrochemical Nitrogen Dioxide (NO2) sensor is designed to measure NO2 concentration in the gas phase. It is compatible as a pin-to-pin replacement for standard 4-series electrochemical NO2 sensors from other manufacturers.

Performance Characteristics

NO2-5AOF: Nominal range of 0-5 ppm, maximum overload of 20 ppm, sensitivity of -0.65 ± 0.2μA/ppm, response time (T90) ≤ 90 s, zero signal ≤ ±0.4 μA, baseline shift < 0.5 ppm, resolution of 50 ppb, linearity up to 5 ppm, and bias voltage of 0 mV.
NO2-20: Nominal range of 0-20 ppm, maximum overload of 250 ppm, sensitivity of -0.60 ± 0.15 μA/ppm, response time (T90) ≤ 30 s, zero signal ≤ ±0.4 μA, baseline shift < 0.5 ppm, resolution of 0.1 ppm, linearity up to 20 ppm, and bias voltage of 0 mV.
NO2-2000: Nominal range of 0-2000 ppm, maximum overload of 4000 ppm, sensitivity of -0.02 ± 0.01 μA/ppm, response time (T90) ≤ 60 s, zero signal ≤ ±0.4 μA, baseline shift < 20 ppm, resolution of 5 ppm, linearity up to 2000 ppm, and bias voltage of 0 mV.

Environmental Specifications
Temperature range from -20℃ to 50℃, pressure range of 1 ±0.1 atm, 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. The sensor has a warranty of 12 months.

Intrinsic Safety Data
Maximum current at 20 ppm NO2 is < 0.2mA, maximum open circuit voltage is 1.3V, and maximum short circuit current is < 1.0A.

Physical Characteristics
The sensor housing is made of ABS material, weighs approximately 5g, and has no specific orientation requirements.

Installation and Safety Notes
Proper use of sensor pins is crucial to maintain functionality. Avoid exposure to high concentrations of solvent vapors and mechanical overstress. For life-critical applications, follow the instrument user guide and calibration procedures using certified target calibration gas. Do not open the housing as the electrolyte inside is harmful.

Recommendations
Customers are advised to validate sensor performance using this document as a reference for product designs or applications.

Catalog excerpts

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The sensor is designed for the measurement of NO2 concentration in gas phase. It can be used as the pin-to-pin replacement of the standard 4-series electrochemical NO2 sensors which made by the other manufactures.

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Temperature Data 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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