Fixed H2S Gas Alarm System

The Fixed Hydrogen Sulfide (H₂S) Gas Alarm System is designed for continuous monitoring of toxic gas leaks in industrial environments. Featuring patented sensor technology, it provides fast response times and high accuracy to ensure workplace safety. With modular sensor design and automatic calibration, it offers easy maintenance and long-term reliability. Ideal for oil & gas, wastewater treatment, and chemical plants, this system enhances safety with integrated alarm features and secure password management. Key Features Password protection to prevent unauthorized operation. Patented high-precision sensor probe ensures fast and accurate detection. Built-in switch for seamless connection to external sound and light alarms. User-friendly gas detection transmitter with a hot-swap modular sensor design. Automatic calibration for intelligent and hassle-free maintenance. Expert technical support with fast response times for customer inquiries.
Our Products Are…
  • Economically Priced
  • Futuristic Technology
  • Guaranteed Performance with Premium Quality
  • High Reliability
Tech Paramters 
Gas DetectedCombustible Gases, Toxic Gases, up to 300+ gases available
Detection PrincipleCatalytic combustion / Electrochemical / Infrared / PID
Detection RangeCustomized
Accuracy Statement±3% of reading or ±5% of reading
Sampling MethodDiffusion sampling standard / Sampling system optional
DisplayWithout display
Operating Temp. & Humidity-40°C ~ +70°C (-40°F to 158°F) for combustible gas, -20°C ~ +50°C (-4°F to 122°F) for toxic gas 0 to 95% RH, non-condensing (splash resistant)
Response TimeWithin 60 seconds (T90) (Oxygen: Within 30 seconds, vary in gas)
Operating Voltage15-30VDC, (optional adaptor is available on 110-240VAC, 50/60Hz)
Signal output4-20mA / RS485, relay-output
Explosion proof & Ingress ProtectionEx d IIC T6 / IP65
Dimension & Weight165mm*140mm*78mm, about 1.359KG
Case Material316L stainless steel + Die-casting aluminum + K9 glass with metalization + O-ring seal + Epoxy powder coating
Cable requiredRVVP 3*1.5mm² / RVVP 4*1.0mm²
Required AccessoriesCalibration certificate, product certificate, manual, mounting parts.
Optional AccessoriesAudible and visual alarm, sampling system
CertificateCE ATEX approved