The Rosemount 925FGD Gas Detector uses non-dispersive infrared (IR) technology and provides early combustible gas leak detection within your processes. As the first Rosemount designed and engineered fixed gas detector, it offers industry-leading features and performance specifications for a wide variety of combustible gas detection needs. The fixed gas detector utilizes the Rosemount 625 Gas Sensor and is approved to the latest hazardous area and performance standards for worldwide use.
Operating Temperature: -40 to +158 °F (-40 to +70 °C)-67 to +158 °F (-55 to +70 °C) with heater on
Measurement Type: Gas concentration levels: Hydrocarbon gases: 0-100% LEL
Sensor Type: Rosemount 625 Non-Dispersive Infrared Sensor
Output: 4-20 mA with HART®7 Protocol, Relays
Display/Interface: The integral LCD display can display alert state and diagnostic information.
Humidity Range: 0-95% relative humidity, non-condensing
Power Supply: Power supply range: 18 to 30 VDCMax. power consumption: 4.0 W with heater on
Accuracy: Gas accuracy: ±3% LEL < 50% LEL and ±5% LEL > 50% LEL4-20 mA accuracy: ±0.1% of span
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