Model S4000TH - Hydrogen Sulfide (H2S) Gas Detector



The Model S4000TH Intelligent Sensor is a microprocessor-based transmitter designed for use with General Monitors' thin film metal oxide semiconductor (TFMOS) sensors. This unit features one person calibration and can virtually self-calibrate by simply activating a magnetic switch and applying gas. It is designed to detect hydrogen sulfide in parts per million (ppm) levels and provide status indication and alarm outputs.

  • Meets stringent ISA S92.0.01, Part 1, 1998 performance standard set by ISA and approved by FM
  • Event logging stores fault, gas check, calibration, and alarm event history
  • HART and Modbus communication provides complete status and control capability in the control room
  • Industry standard 4-20mA output for remote alarm and fault indication
  • Warning, alarm & fault relays provides local alarm capability
  • Calibration, calibration check, setup mode simplifies operation and maintenance
  • Remaining sensor life indication reduces downtime by providing an estimate of remaining sensor life

  • Refineries
  • Drilling rigs and platforms
  • Gas collection and distribution facilities
  • Oil and gas production platforms
  • Mud-logging operations
  • Sulfur recovery / de-sulfurization facilities
  • Chemical plants
  • Wastewater treatment facilities
  • Heavy water nuclear facilities
  • Well head sites

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