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Senator S80L FMCW 80GHz Radar for Liquids

Senator S80L FMCW 80GHz Radar for Liquids

The Senator S80L FMCW 80GHz Radar Level Transmitter is designed specifically to measure liquids in narrow tanks with internal obstructions. This device is a non-contact radar level transmitter that uses FMCW technology. It measures distance, level, and volume of liquids and pastes. It has an empty spectrum function that filters false reflections caused by equipment inside the tank.


  • Oil & Gas
  • Chemical market
  • Environment
  • Power

Principle of Operation

Frequency Modulated Continuous Wave (FMCW) technology features a continuous signal transmission, providing immediate measurement updates with zero delays. Unlike pulse radar, where the transmitter sends a pulse and then stop and waits for a reflection - FMCW radar emits a continuous signal. It determines the distance to the target by measuring the frequency difference between the emitted and the reflected signals. This frequency change is also called the "Doppler Shift" of the returned signal.



  • Accuracy ±2 mm / ±0.08"
  • Large measuring range from the antenna up to 100 m / 328 ft
  • Small beam angle due to 80 GHz and process connections starting from thread
  • PEEK Lens antenna insensitive to deposits
  • Tank or Vessel
  • Channel or Flume
  • Basin
  • Stilling Well
  • Sewage Plant
  • Other

Measuring Principle: 2-wire loop powered, FMCW Radar

Accuracy: Standard: ±2 mm / ±0.08, when distance < 10 m / 33 ft;
±0.02% of measured distance, when distance > 10 m / 33 ft.

Maximum Range: 100m (328ft)

Application Range: Level measurement of powders and granulates

Display: Blacklit LCD Display

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