Xi'an Kacise Optronics Co.,Ltd.
Kacise, understanding your automation needs.
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The PureShield H2S Sensor by KACISE is a professional-grade hydrogen sulfide detection solution, offering a reliable alternative to Alphasense. Built with advanced electrochemical technology, it provides high precision, fast response times, and exceptional stability for H₂S monitoring in industrial and environmental applications. With a detection range of 0-100ppm and a resolution of 1ppm, the PureShield sensor ensures accurate measurements even in harsh conditions. KACISE’s dedication to quality and innovation makes this sensor a trusted choice for protecting lives and property from H₂S hazards, delivering consistent performance and long-term reliability.
1.Hydrogen sulfide alarm
2.Hydrogen sulfide gas detection in industrial sites
3.Hydrogen sulfide detection in mines
4.Hydrogen sulfide detection in the atmospheric environment
1.High precision and long service life
2.Fast response speed and quick return to zero
3.Low power consumption and high sensitivity
4.Wide linear range
5.Strong anti - interference ability
6.Excellent repeatability and stability
| Project | Parameter |
| Model | KQT-H₂S |
| Detection Principle | Electrochemical three - electrode |
| Detected Gas | H₂S |
| Detection Range | 0 - 100PPM |
| Maximum Load Concentration | 500PPM |
| Sensitivity | 650±200nA/PPM |
| Zero - point Drift | ±2PPM |
| Resolution | 1PPM |
| Response Time | T90< 30s |
| Bias Voltage | 0 |
| Load Resistance | 5 - 30Ω |
| Temperature Range | - 30℃ - 50℃ |
| Humidity Range | 15% RH to 90% RH (no condensation) |
| Repeatability | 1% output signal |
| Long - term Stability | < 2% signal / month |
| Linearity | Linear, regression coefficient R² = 0.999 |
| Working Pressure | 90 to 110 kPa |
| Shelf Life | 12 months after delivery |
| Service Life | 3 years |