Toxic gas detectors from General Monitors are designed with advanced electrochemical and infrared sensing elements for use in hazardous environments where reliability and precision are essential. Our highperformance instruments support a wide range of applications, including wastewater treatment, chemical processing, food and beverage, electric power generation, pulp/paper mills and many more. You can always count on General Monitors to provide unsurpassed protection of people and equipment. Our toxic gas detector product line features universal product approvals: CSA, FM, ATEX, IECEx, CE Marking.


TS4000H Intelligent Toxic Gas Detector

ts4000h toxic gas detector
  • Integral galvanic isolation permits hot swapping of electrochemical sensors for simple installation.
  • Microprocessor-based transmitter designed for use with our electrochemical sensors.
  • Sensor can be remote mounted up to 2,000 ft (610 m) for installation flexibility.
  • One person, non-intrusive calibration method reduces maintenance costs.
  • 4-20 mA analog output for remote alarm and fault indication.
  • Optional HART and Modbus user interface provides full status & control capability in the control room

IR700 Infrared Carbon Dioxide Detector IR700 Infrared Carbon Dioxide Detector

ir700 ir carbon dioxide detector
  • Microprocessor-based infrared point detector for CO2 that continuously monitors at ppm level.
  • IR sensor requires no routine calibration, reducing maintenance costs.
  • Fail-to-safe operation for continuous service.
  • Heated optics avoids condensation and false alarms.
  • “Dirty optics” output differentiates cleaning requirement from true fault.

IR4000S-CO2 Single Point Gas Monitor Single Point Gas Monitor

ir4000s co2 single point gas monitor
  • Three-digit LED displays gas concentrations in % LEL, fault codes for troubleshooting and calibration prompts.
  • Explosion-proof enclosure with magnetic interface allows installation and calibration in hazardous locations.
  • Local interface provides ease of maintenance and accessibility.
  • Optional 8 Amp relays expands system functions.