Fozumla T/LL171 Fuel Level Sensor



Technical Datasheet

An advanced and fully-featured fuel level sensor, designed to measure the height of fuel in a tank. Outputting at 4–20 mA, the Fozmula T/LL171 is housed in a hexagon header, the advanced electronics leaving a small footprint and can be used in an hostile and difficult environment.

SKU: TLL171 Categories: ,


  • Probe Length: Min. 90mm, Max. 500mm (3.5″–19.7”)


  • Supply voltage—Suitable for 12 and 24 VDC systems
  • Supply current draw—50mA at  15Vdc (including output load)
  • Accuracy: ±2% of depth at -20ºC to +80ºC (-4ºF to +176ºF)
  • Connection: Packard Metri-Pack 150 series
  • Protection: Over voltage (24Vdc) for 1 minute and Reverse Polarity

Available Fluid Types:

  • Diesel, Biodiesel, Kerosene, Petrol, Ethanol, Water


  • Enclosure: 30% glass-filled nylon
  • Internal Electrode: PTFE
  • Sensor Tube: Brass
  • Internal Spacers: Polypropylene
  • End Plug: PTFE
  • Wetted Seals: Fluorosilicone, Viton (FKM)

 Environmental Ratings:

  • Sealing: IP67 with mating connector
  • Max. Pressure: 1 bar
  • Operating Temp: -20ºC to +85ºC
  • Weight: 150g (500 mm long sensor)