MGS-250 Infrared Gas Detector

Infrared Gas Detector for Safety Compliance
  • Long-life, proprietary infrared (NDIR) sensor
  • Detects CFCs, HFCs, HCFCs and new HFO refrigerants
  • Meets ASHRAE 15, EN 378, and CARB RMP requirements
  • No cross interference to other gases, humidity or temperature
  • Modbus RTU interface, analog output, BAS/BMS system connectivity
  • Set all parameters and outputs without opening the unit


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CFCs, HCFCs, HFCs, HFOs, HFO1233ZD, HFO1234ZE, HFO1234YF, R-507, R-427a, R-422d, R-422a, R-410a, R-407f, R-407c, R-407a, R-404a, R-134a, R-123, R-22, R-32, HFO-1233ZD, HFO-1234ZE, HFO-1234YF, R507, R427a, R422d, R422a, R410a, R407f, R407c, R407a, R404a, R134a, R22, R32
  • Description

    Bacharach's MGS-250 Infrared Refrigerant Gas Detector is the leader in performance and flexibility. It can be configured as either a broadband sensor used for gross leak detection, or as a gas-specific version that’s pre-calibrated and characterized for precision response to individual refrigerants. It meets ASHRAE 15, EN 378*, EN 14624* (* A1 Gases only), and CARB RMP compliance requirements. The MGS-250 is the economical solution for detecting refrigerants without the limitations posed by solid-state sensor technologies.

    Advanced infrared sensing technology makes the MGS-250 immune to cross sensitivities from combustible and toxic gases, as well as changes in temperature and humidity. The infrared sensor provides low-level leak detection and delivers up to 5 to 7 years of virtually maintenance-free operation. The MGS-250 has an alpha-numeric LED display, status indicator, on-board relay, and alarm to alert personnel when levels have exceeded the preset limit.

  • Specifications
  • Technical Library
  • Part Numbers
  • Accessories & Parts
  • Gas List