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SIEMENS SITRANS Probe LU240 Ultrasonic Level Transmitter

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Siemens SITRANS Probe LU240 ultrasonic level transmitter, designed for precise level, volume, and volume flow measurements. This versatile device is suitable for liquids, slurries, and bulk materials with a range of up to 12 meters (40 feet). Ideal for applications in the water and wastewater industry, chemical storage vessels, and small bulk hoppers, the SITRANS Probe LU240 ensures reliable level monitoring.

BENEFITS

With selectable ranges of 3, 6, or 12 meters (10, 20, or 40 feet), the Probe LU240 utilizes Process Intelligence and Auto False Echo Suppression to provide accurate measurements and avoid fixed obstructions. Models with a range of 6 meters and 12 meters offer an accuracy of 0.15% of range or 6 mm (0.25 inch).

The SITRANS Probe LU240 offers HART communication on specific models and mA output on all models, facilitating seamless integration into your process control system. The transducer options include ETFE or PVDF to accommodate various chemical conditions, while an internal temperature sensor compensates for temperature changes in applications with fluctuating material and process temperatures.

  • Continuous level measurement up to 12 m (40 ft) range
  • Easy installation and simple startup
  • Programming using 4-button HMI or SIMATIC PDM
  • Communication using HART
  • ETFE or PVDF transducers for chemical compatibility
  • Process Intelligence signal processing
  • Auto False Echo Suppression for fixed obstruction avoidance
  • Low power and current startup
  • Optional Bluetooth configuration and monitoring via SITRANS mobile IQ

Product Data Sheet – Siemen SITRANS Probe LU240 Ultrasonic Level Transmitter

Operation Manual – Siemen SITRANS Probe LU240 Ultrasonic Level Transmitter with mA/HART

DETAILS

Application Ultrasonic Level Transmitter
Input

(Measuring Range)

0.2 … 3 m (8 inch … 10 ft)

0.2 … 6 m (8 inch … 20 ft)

0.2 … 12 m (8 inch … 40 ft)

Output 4 … 20 mA
Measuring Accuracy Dependent on Configuration (±2 …10mm)
Operating conditions -40 … +85 °C (-40 … +185 °F)

0.5 bar g (7.25 psi g)

Degree of Protection Type 4X, Type 6, IP66, IP68
Weight 0.93 kg (2.1 lb)
Electrical Connections 2 x M20 x 1.5 cable gland or 1 x ½” NPT thread
Explosion Protection IECEx (Dependent on Configuration)
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SIEMENS SITRANS Probe LU240 Ultrasonic Level Transmitter
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