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SS4198-HT (H₂S)

SS4198_HT is an electrochemical H₂S sensor optimized for high-temperature, low-humidity environments.
It is ideal for fixed instruments in petrochemical, wastewater, and mining applications.

KEY FEATURES
    • Measurement range: 0–100 ppm (Max overload: 500 ppm)
    • Output signal: 650 ± 150 nA / ppm
    • Response time: T90 < 20 sec
    • Resolution: <0.1 ppm (typical)
    • Operating temperature: -20℃ to +70℃
    • Operating life >24 months
    • No response to CO, H₂ / Low interference from SO₂
Product Inquiry

SS4198_HT Hydrogen Sulfide Sensor – Stable H₂S Detection for High-Temperature Applications
SS4198_HT is an electrochemical hydrogen sulfide sensor designed for use in high-temperature and low-humidity environments.
It measures concentrations from 0 to 100 ppm with a linear output (650 ± 150 nA/ppm) and a rapid response time under 20 seconds.
With an extended temperature range of up to +70℃, the sensor shows no response to CO or hydrogen and minimal interference from SO₂.
SS4198_HT is ideal for integration into fixed detection systems used in petrochemical plants, refineries, wastewater treatment facilities, and mining operations.

Product Specifications

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