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SITRANS LU150 Ultrasonic Level Transmitter

Brand instruments

Process instrumentation


SITRANS LU150 Ultrasonic Level Transmitter

Product description
Technical indicators

  SITRANS LU150 is an integrated small-range ultrasonic level transmitter. This two-wire, 4-20 mA loop-powered level transmitter is usually suitable for liquids, slurries and bulk materials in open or closed containers, and the height of the container can reach up to 5 meters.


  • Easy to install, program and maintain

  • Accurate and reliable measurement

  • Patented acoustic intelligent echo processing technology

  • Built-in temperature compensation

  • Echo processing • Acoustic intelligence

  Main applications: chemical storage containers, filter beds, mud tanks, liquid storage containers, food industry.

  The main parameters

  Measuring principle: ultrasonic level measurement

  Range: 0.25 -5 m (0.8-16.4 feet)

  Frequency: 54 kHz

  Output: 4 -20 mA

  Range proportional / inverse ratio

  The maximum load is 24 V DC, the loop load is 600 Ω

  Power supply: supply voltage 12-30 V DC, 0.1 A surge, maximum power consumption 0.75 W (25 mA, 24 V DC)

  Accuracy: 0.25% of measurement error measurement range (in air)

  Resolution: 3 mm (0.125 inch)

  Built-in temperature compensation

  Rated working conditions

  Beam angle: 12°

  Ambient temperature: standard -30 ... +60 °C (-22 ... +140 °F)

  Maximum static working pressure normal atmospheric pressure


  •Weight 1.3 kg (2.9 lbs)


  •Electronic housing PBT

  • Sensor: PVDF polymer

  •Protection level: IP68 / NEMA 6 / TYPE 6

  • Process connection: 2" NPT

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