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SS21N8 (NH₃)

Electrochemical NH₃ Sensor (0~100ppm)

SS21N8 is an electrochemical ammonia gas sensor that measures concentrations from 0 to 100 ppm. It is ideal for use in refrigeration facilities, cosmetics, pharmaceuticals, and industrial safety systems.

KEY FEATURES

Measurement range: 0–100 ppm (Max overload: 200 ppm)
Output signal: 100 ± 30 nA / ppm
Response time: T90 < 30 sec
Resolution: <1 ppm (typical, electronics dependent)
Operating temperature: -20℃ to +50℃
Operating life >24 months
Low cross-sensitivity (H₂S, NO₂, H₂, etc.)

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SS21N8 (NH₃)

Electrochemical NH₃ Sensor (0–100ppm)

DESCRIPTION

The SS21N8 is a high-sensitivity electrochemical ammonia (NH₃) sensor designed for precise detection within the 0–100 ppm range. It features a linear output of 100 ± 30 nA/ppm and a fast T90 response time under 30 seconds. With low cross-sensitivity to gases like H₂S, H₂, and NO₂, the SS21N8 ensures reliable and accurate measurements. It is suitable for use in applications such as pharmaceuticals, cosmetics, refrigeration systems, and industrial gas detection systems. The sensor offers a typical operating life of over 24 months in air.

KEY FEATURES

- Measuring Range: 0–100 ppm (Max overload: 200 ppm)
- Output Signal: 100 ± 30 nA / ppm
- Response Time: T90 < 30 sec
- Resolution: <1 ppm (typical, depending on electronics)
- Operating Temperature: -20℃ ~ +50℃
- Operating Life: ≥24 months (in air)
- Low Cross-sensitivity: H₂S, NO₂, H₂