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Combustible Gas Detector – S4100C

Combustible Gas Detector
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Combustible Gas Detector – S4100C

Combustible Gas Detector – General Monitors S4100C Intelligent Sensor

The Model S4100C Intelligent Combustible Gas Detector is a microprocessor-based transmitter with integral three-digit readout. It is designed to measure and display concentrations of combustible gases in the 0-100% LEL range, but will continue to display concentrations up to 120% LEL.

The sensing element may be incorporated in the transmitter housing or remotely mounted at distances of 600 meters. The S4100C will record the number of successful calibrations, compute the sensor output in mV during calibration and store in non-volatile memory, along with calibration and set-up parameters.

  • RS-485 Dual Modbus Serial Output, in addition to 4-20mA, provides measurement, setup and status of up to 247 nodes
  • 10-35 VDC operation allows longer cable runs and lower cost installation
  • Selectable calibration gas level with non-standard gas concentrations possible
  • Three (3) digit LED displays up to 120% LEL and alarm status
  • Fully adjustable alarm levels with open collector outputs lower wiring costs and allows for flexible operation
  • Sensor can be remote mounted up to 600 meters from transmitter for increased installation flexibility
  • Industry standard 4-20 mA output for remote alarm and fault indication
  • Compatible with ELPRO Technologies wireless devices


  • Refineries
  • Drilling rigs and platforms
  • Fuel loading facilities
  • Compressor stations
  • Oil rig logging
  • LNG / LPG processing and storage facilities
  • Gas turbines
  • Solvent vapors
  • Chemical plants