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Rosemount-925FGD Fixed Gas Detector

Rosemount™ 925FGD Fixed Gas Detector

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Product Description

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.

Dane techniczne

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 VDC
Max. power consumption: 4.0 W with heater on
Accuracy
Gas accuracy: ±3% LEL < 50% LEL and ±5% LEL > 50% LEL
4-20 mA accuracy: ±0.1% of span

Charakterystyka

  • Gas transmitter can be fitted with a wide range of combustible gas sensors and recognizes a newly fitted gas sensor, automatically uploading the gas sensor’s specific configuration profile
  • Gas sensor and transmitter continuously communicate digitally, providing stable, accurate protection with fast response times even over long separation distances
  • Rosemount 925FGD gas detector offers best-in-class performance specifications for combustible gases including accuracy, response time, operating temperature ranges, and zero drift specification
  • Achieves ingress protection levels of IP66
  • Pre-calibrated gas sensor easily connects to the transmitter and can be factory calibrated to butane gas, propane gas, methane gas, ethylene gas or ethane gas
  • Gas sensor can be calibrated off-site and installed later
  • Gas sensor retains own configuration settings and calibration information
  • Smart sensor module provides reduced maintenance costs and downtime with longer calibration intervals

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