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Sense cables

Hydrocarbon Sense Cables


  • Very high Sensitivity
  • Very Fast Response with Light and Middle Distillates
  • Sensitive to Heavy Oils and Hydrocarbon Vapors
  • Leak Location on Section Length
  • Pre-connected Cable
  • Suitable for Explosive Area Service
  • Insensitive to Water and Inorganic Pollutants

FG-ODC+: Very High Sensitivity Addressable Oil Sense Cable

FG-ODC+ is a digital sense cable for detection and location of liquid hydrocarbons and liquid insoluble in water and their vapors, along the entire length of 3 metres.
It allows multiple leak detection and location thanks to independent digital addressing, enabled by an embedded microchip in each FG-ODC+ sense cable.
The sensor element is optimized for a very fast response with light to middle distillates. It is sensitive to heavy oils such as conventional crude oils, dilbit/synbit, as well as to hydrocarbon vapors.
Can be installed in a humid environment, as it is insensitive to water and inorganic contamination.


  • Standard length (3 m) sensor sections or long line sections allowing optimised system architecture.
  • Microcontroller embedded in each FG-ODC+ sense cable allowing the independent digital transmission to the alarm unit.
  • Standard length sense cable provided with the built-in plug-socket connector.
  • Structure of the sense cable comprising a silicon sensing wire, a continuity wire, a communication wire (proprietary bus) and the power supply wires. Protective external PE braid built on the cable.
  • Intrinsically safe – can be used in classified areas: Ex ia IIB T4 Ga (IECEx “Zone 0”).


  • Reliable detection:
    • Sensitive to heavy oils and vapors.
    • Insensitive to water, inorganic pollutants and external loads (pressure).
  • Very high sensitivity: examples of detection time: Diesel at 3-5 minutes (*), Gasoline: less than 1 minute (*).
  • Detects and locates hydrocarbon leaks on the section length.
  • The same unit FG-NET can be connected to FG-ODC+ sense cables and mixed with water or acids/bases sense cables at the same time.
  • Easy to install and remove: standard FG-ODC+ cables pre-connected with male / female connectors.


Note (*): depending on liquid composition and leak conditions

Cable Structure:

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