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Jinan Rainbow Technology Co.,Ltd
electrochemical H2S gas sensor

electrochemical H2S gas sensor

Product catalog summary

Product Description: The electrochemical hydrogen sulfide (H2S) sensor is designed for measuring H2S concentration in the gas phase and can replace standard 4-series electrochemical H2S sensors from other manufacturers.

Performance Characteristics: The document details various models of the sensor, each with specific nominal ranges, maximum overload capacities, sensitivities, response times, zero signals, baseline shifts, resolutions, linearity, and bias voltages. Key models include:

H2S-50: Range 0-50 ppm, sensitivity 1.20 ± 0.25μA/ppm, response time ≤ 25 s.
H2S-100: Range 0-100 ppm, sensitivity 0.80 ± 0.20 μA/ppm, response time ≤ 30 s.
H2S-500: Range 0-500 ppm, sensitivity 0.65 ± 0.15 μA/ppm, response time ≤ 30 s.
H2S-1000: Range 0-1000 ppm, sensitivity 0.09 ± 0.04 μA/ppm, response time ≤ 45 s.
H2S-2000: Range 0-2000 ppm, sensitivity 0.09 ± 0.04 μA/ppm, response time ≤ 45 s.
H2S-5000: Range 0-5000 ppm, sensitivity 0.08 ± 0.02 μA/ppm, response time ≤ 45 s.

Environmental Conditions: The sensor operates within a temperature range of -40℃ to 50℃, pressure range of 1±0.1atm, and humidity range of 15% to 90% RH non-condensing.

Lifetime and Storage: The sensor has an expected operating life of 2 years in clean air, with a storage life of 6 months in original packaging. It comes with a 24-month warranty.

Intrinsic Safety Data: Maximum current at 100ppm H2S is < 0.2mA, with a maximum open-circuit voltage of 1.3V and short-circuit current < 1.0A.

Physical Characteristics: The sensor is housed in 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. The sensor is intended for life-critical applications, requiring adherence to calibration procedures using certified gases. Opening the housing is discouraged due to harmful electrolyte content.

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

Catalog excerpts

Electrochemical Hydrogen sulfide Sensor (H2S) Product Description The sensor is designed for the measurement of H2S concentration in gas phase. It can be used as the pin-to-pin replacement of the standard 4-series electrochemical H2S sensors which made by the other manufactures. Performance Characteristics(H2S-50)

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Performance Characteristics(H2S-100) Nominal Range

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Performance Characteristics(H2S-100S) Nominal Range

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Performance Characteristics(H2S-500) Nominal Range

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Performance Characteristics(H2S-1000) Nominal Range

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Performance Characteristics(H2S-2000) Nominal Range

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Environmental Temperature Range Pressure Range Humidity Range

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Life time

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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. 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,...

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