Siemens SITRANS Probe LU240 Continuous Ultrasonic Level Transmitter with HART

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Price $842.00

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Ultrasonic level transmitter with 4-20 mA for level and HART + 4-20 mA for level, volume, and volume flow measurements for liquids, slurries, and bulk solid materials up to 40 feet (12 meters). 10° beam angle. ETFE or PVDF transducer materials to meet the chemical conditions of your specific application. Good for process temperatures to 185°F (85°C).

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Siemens' SITRANS Probe LU240 ultrasonic level transmitter with HART is designed to measure level in the water/wastewater industry, chemical storage vessels, filter beds, and small bulk hoppers. It works with liquids, slurries, and bulk materials up to 40 feet (12m) and provides level, volume, and volumetric flow measurements. It also come with 4-20 mA output version for level measurements up to 20 feet (6m). With its IP68/NEMA 4X enclosure, it's suitable for both indoor and outdoor applications, and communicates by HART 7 protocol for easy configuration.

The SITRANS Probe LU240 is available with an ETFE or PVDF transducer to meet the chemical compatiblity requirements of your application, and includes an internal temperature sensor to compensate for fluctuating process temperatures. Order the LU240 with the optional transparent lid for visual access to the display without opening the meter's cover.

  • For liquids, slurries, and bulk materials in storage vessels and small tank hoppers
  • Siemens Process Intelligence signal processing and Auto False Echo Suppression for fixed obstruction avoidance
  • Your choice of measuring ranges: 10, 20, or 40 feet (3, 6, or 12 meters)
  • Internal temperature sensor compensates for fluctuating temperatures
  • 4-20 and 4-20 mA/HART outputs
  • Programming using four-button interface under the unit's cover or using SIMATIC PDM and a PC
  • IP66/IP68/Type 4X/Type 6 PBT plastic enclosure with integral ETFE or PVDF transducers for chemical compatibility
  • 2" NPT process connection, one 1/2" NPT electrical connection standard
  • Optional internal LCD display shows process value name, unit, values (level, space, distance, volume, and volume flow), diagnostics, and provides local access to all settable parameters
  • Optional transparent lid for viewing process details on the digital display without removing the lid
  • CE, CSA, FM, ATEX, IEC Ex approvals

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Popular configurations available in limited supply from Siemens stock to help you recover quickly in downtime situations.

Why upgrade from the Probe LU to the LU240?

  • Uses quick start wizards for level, volume, or flow applications, so you can be up and running in no time
  • User-friendly four-button interface plus remote configuration with optional Bluetooth or SIMATIC PDM connectivity
  • Engineered for durability: IP68 fully potted design for robust performance, even in demanding or harsh environments
  • Maintenance-free active face technology maintains sensor cleanliness to prevent false echo readings and ensures long-term reliability
  • Comprehensive diagnostics includes a trend log for monitoring process values, and easy accessibility via PDM and engineering tools
  • Maintenance parameters provides recommendations for service (predictive maintenance), recommends replacement, and includes a lifetime counter
  • Measurement ranges to fit most applications:  10 feet for 4-20 mA version; 20 or 40 feet for 4-20 mA/HART versions

Quick Ship from Factory Stock

DescriptionClick to Buy Now
SITRANS LU240 ultrasonic transmitter with HART and 4 to 20 mA communications for level, volume, and volume flow measurements. Local HMI display (clear lid). Ingress protection: IP66, IP68, TYPE 4X, 6; Measurement range: 20 cm to 6 m (7.87 in to 19.685 ft); 2" NPT (Taper), ASME B1.20.1 process connection; 1/2" NPT electrical connection; General purpose approvals: CCSAUS, FM, CE, UKCA, KC, RCM, EAC7ML5110-1DD07-4BK3
More Information
Point or Continuous Level Continuous
Level Media Liquid, Slurry, Dry Solid
Level Technology Ultrasonic
Measuring Range 7.87 Inches to 39.37 Feet (0.2 to 12 Meters)
Wetted Materials ETFE or PVDF copolymer

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