For more information

Hydrogen Sulfide Gas Sensor Module - 2-Wire Series

Hydrogen Sulfide Gas Sensor, 2-wireToxic gas detector from Sierra Monitor using 2-wire technology provides the latest in loop-powered gas detection loaded with features not normally found in these easy to install sensor modules. The 4501 series require minimal maintenance, continuous self-diagnostics, scrolling 16-character display and non-intrusive calibration. Key benefits to the user of this best of class product include:

  • Low maintenance costs due to 180-day (six-month) calibration interval (the longest calibration interval in the industry)
  • Low installation costs due to 4-20 mA, 2-wire, loop-powered design
  • User-friendly operator interface with integral scrolling, menu-driven LCD display for easy access to gas status, calibration instructions, adjustment of ranges and outputs and diagnostic information
  • Performance confidence with FM performance and hazardous area approvals for Class I, Div. 1, Group B, C, D. Rated at NEMA-4X for -4 to 122 degrees F
  • Fastest response time, highest accuracy and specifications unmatched in the industry
  • Durability in tough applications with a stainless steel transmitter/sensor enclosure
  • Application adaptability with variable range selection and rotatable face plate to enable mounting of the sensor module in various orientations
  • Non-intrusive calibration to enable calibration without declassifying the area
  • Commonly used signal output of 4-20 mA to enable interface to typical industrial systems
  • Application adaptability with variable range selection and rotatable face plate to enable mounting of the sensor module in various orientations
  • Optional remote sensor mounting