The Sulfur Sentry utilizes field proven tape based technology that provides a linear and interference-free output of H2S for portable monitoring.


  • Comes complete with a sample conditioning system.
  • Rechargeable 12 volt battery operates independantly for up to 24 hours with no external power source. Battery charger is included.
  • Fast Response times using Rapid Response Algorithm (RRA)
  • No interference from other components in the sample
  • Low power consumption < 3 Watts
  • Seven (7) day tape life
  • Measures up to 5 times the calibrated range.
  • Quick delivery - as quick as 1 to 2 days for standard systems
  • Full field service & training available
  • I.C.E. (Integrated Configuration Environment) is a Windows® based program that accompanies all 330S Analyzers for full configurability.
  • Field friendly interface via front display panel or Mini USB.
  • Easily configurable alarm processor and calculation processor.
  • 3 Mb event triggered archive storage
  • Alarm/Event log
  • Customizable serial RS-232 & RS-485 mapping
  • Remote Display (optional)
  • Numerous modes of communication including 4-20 mA outputs, alarm outputs, solenoid drivers, serial Modbus and Modbus TCP.

Application Areas

The Sulfur Sentry can measure H2S and in natural gas, petrochemical streams, condensate, liquids, or LPG. Common applications include:

  • Sales Gas
  • Plant Inlet
  • Pipeline Monitoring & Blending
  • H2S Scavenger Systems
  • Wellhead Monitoring
  • Fuel Gas Monitoring
  • Bio Gas

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