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SS21N8 (NH₃)

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.)
Product Inquiry

SS21N8 Ammonia Gas Sensor – High Sensitivity NH₃ Detection for Industrial and Environmental Use
SS21N8 is a high-performance electrochemical sensor designed to detect ammonia gas in the range of 0 to 100 ppm.
With an output of 100 ± 30 nA/ppm, T90 response time under 30 seconds, and low baseline drift, it ensures fast and accurate measurements.
Cross-sensitivity to other gases such as H₂S, NO₂, and H₂ is minimal, enabling reliable performance in multi-gas environments.
Ideal for refrigeration systems, pharmaceutical production, cosmetics, and portable air monitoring instruments, with an operating life of over 24 months in air.

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