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Radiant Technology

Liquid Level Fuel Probe System with 1/8NPT probe


Liquid Level Fuel Probe System with 1/8NPT probe


Product Description

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manualgraphic.pngREAD this Review from the Sun n' Fun Show, published in the July 2015 issue of Experimenter

The Belite liquid level / fuel probe is designed to sense fuel or liquid level of any type and provide an electrical indication to instrumentation along a range of 0 to 5 volts.   The unit is not TSO’d or PMA’d.  Use only in appropriate aircraft as a backup to certified instruments and pilot calculations.  Ideal for monitoring level of liquid in many other applications, such as agricultural spraying.   Patent pending.

The probe is offered in 1/4" (FPS-010) and 1/8" (FPS-018).


  • Stainless steel construction, 304L
  • High precision pressure sensor, accurate +/- 2% absolute
  • No moving parts. Based on MEMS technology
  • Designed to be immune to temperature, shock, and vibration
  • Will not fail if water is present in fuel (unlike capacitive probes)
  • Compatible with any tank size or depth to 48”
  • Long term stability 0.5% per year
  • Operating temperature range -40 to 100 degrees C (Probe Only)
  • Compatible with 9 to 14 volts input power
  • Provides linear output of 0.0 to 5.0 volts (empty / full)
  • Built in exceptional slosh filtering and optional G filtering
  • Includes five point calibration for empty, ¼, ½, ¾, and full tank
  • Custom calibrations available. Contact factory.
  • Alarm output active if <25% full.  Contact factory for other alarm options.


  • Fuel level, especially in aircraft
  • Liquid level in many other applications such as agricultural spraying
  • Misfueling monitor
  • Motorcycles
  • Industrial


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