Ultrasonic Level Meter QTUL

The meter measures the time t between pulse transmission and reception. The meter uses the time t (and the velocity of sound) to calculate the distance D between the sensor membrane and the product surface The sensor of the meter pulses in the direction of the product surface. There, they are reflected back and received by the sensor.

D = c •t/2. As the device knows the empty distance H from a user entry, it can calculate the level as follows: L= H – D.


  • Integrated design, installed conveniently;
  • Protected in the excessive voltage and current;
  • Protected in the thunder and lightning;
  • The big show window of LCD is easy to debug and observe;
  • Over-voltage over-current protection, lightning protection;
  • Advanced since the clamp type terminal, to ensure that wiring never loose;
  • Intellectual signal treatment technology, guarantee that the instrument meets various kinds of operating occasion;
  • All plastic probe, acid and alkali resistant, adapt to bad environment;


  • Water tank level measurement
  • Food tank level measurement
  • Seal water level measurement
  • Powder and Solid level application
  • Sewage and industry wastewater treatment
  • Oil and Fuel level measurement
  • Hazardous zone level measurement
  • Oil tanker, small fuel tank level measurement
  • Other distance and level application

Technical Parameters

Function Compact Type
Level Range 4,6,8,10,12,15,20,30m
Accuracy 0.5%-1.0%
Resolution 3mm or 0.1%
Display LCD Display
Analog Output Two Wires 4-20mA/250Ω Load
Power Supply DC24V
Environmental Temperature Transmitter -20~+60℃ , Sensor -20~+80℃
Communication HART
Protection Class Transmitter IP65(IP67 Optional),Sensor IP68
Probe Installation Flange, Thread

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