Fuel Oil Leak
Detection Systems

Pipe in Pipe Leak Sensor Type PPS

The Pipe in Pipe Leak Sensor (PPS) sensor has been designed to detect liquid leaks in enclosed areas such as bunded pipework or tanks.

Two pipe in pipe leak sensors can be provided sized at 15mm or 22mm constructed using plastic fittings that have been designed to detect the presents of any liquid including water, fuel oil etc. and energise an internal relay to provide a signal to existing alarm systems, Building Management Systems or SMS messaging systems.


  • Voltage – 12 to 24V AC or 13 to 24V DC
  • Burdon – 20mA when detecting, 15mA in standby
  • Relay output – 30VAC/DC 1 amp N/O (close in Alarm) or N/C (open in Alarm) contact; please specify
  • Interconnecting lead – 3 metres long but any length can be catered for


Data Sheet

Installation Manual

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