GMA 200-RT/RTD Fixed Gas Relay

GMA 200-RT/RTD Fixed Gas Relay for measuring combustible and toxic gases/vapors and oxygen concentrations

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GfG Instrumentation introduces the new GMA 200-RT Fixed Gas Relay Module. The combination of the GMA 200-MT/-MW gas detection controllers with the GMA 200-RT/-RTD relay modules  provide flexible, simple and clearly structured operation in industrial and commercial applications for measuring combustible and toxic gases/vapors and oxygen concentrations.

In addition to the internal relays of the GMA 200-MT/-MW controllers, the GMA 200-RT/-RTD relay modules can be used for extension purposes. The GMA 200-RT/-RTD relay modules are connected directly to the gas detection controller by a plug-in connection or a bus cable.

The GMA 200-RTD relay module is equipped with an integrated graphical display. The relays are managed through the microprocessor of the GMA 200-MT/-MW gas detection controller and activated in the event of an alarm or a fault.


  • Extends the GMA 200 controller by 16 additional freely programmable relays for measurement of combustible, toxic gases/vapors and oxygen
  • Ability to connect up to 4 relay modules for a total of 64 additional relays
  • Intuitive, backlit graphical LCD
  • SIL certification DIN rail mounting, IP 20 

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