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Rosemount™ 925FGD Fixed Gas Detector

The gas detector uses non-dispersive infrared technology for early combustible gas leak detection.

The Rosemount 925FGD is a fixed combustible gas detector that uses non-dispersive infrared technology to deliver early gas leak detection in industrial processes and hazardous areas. Designed for combustible gas monitoring, it combines the Rosemount 625 Gas Sensor with smart sensor communication to support stable performance, simplified maintenance, and reliable integration into plant safety systems. The detector is approved to the latest hazardous area and performance standards for worldwide use.

Key Features

  • The transmitter supports a wide range of combustible gas sensors and automatically recognizes a newly installed sensor, uploading its specific configuration profile to simplify commissioning.
  • Continuous digital communication between the gas sensor and transmitter helps deliver stable, accurate protection with fast response times, even over long separation distances.
  • The Rosemount 925FGD offers high-performance combustible gas detection with strong accuracy, response time, operating temperature range, and zero drift characteristics.
  • IP66 ingress protection supports reliable operation in harsh industrial environments.
  • Pre-calibrated gas sensors connect easily to the transmitter and can be factory calibrated for butane, propane, methane, ethylene, or ethane to support application flexibility.
  • Off-site sensor calibration can help reduce field maintenance time and streamline replacement planning.
  • Smart gas sensors retain their own configuration settings and calibration information, helping reduce downtime during service events.