SIEMENS SITRANS LR460 Radar Level Transmitter


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Siemens SITRANS LR460: A cutting-edge 4-wire, 24 GHz FMCW radar level transmitter engineered with an exceptionally high signal-to-noise ratio and advanced signal processing for continuous monitoring of solids up to an impressive 100 meters (328 feet). This transmitter is specially designed for environments with extreme dust and high temperatures, delivering outstanding performance even under challenging conditions.


Featuring the integral Easy Aimer, the LR460 allows for effortless positioning for optimal measurement accuracy on solids. Its Process Intelligence ensures reliable operation across both simple and difficult solids applications, harnessing advanced signal processing for precise results.

Built with a robust enclosure, flange, and horn components, the LR460 is virtually impervious to atmospheric or temperature fluctuations within the vessel. An optional dust cap is available for sticky solids, while optional air purging is offered for extremely sticky applications.

For convenient on-site programming, the LR460 provides safe and simple programming using the Intrinsically Safe handheld programmer. Remote programming is made easy with SIMATIC PDM using HART or PROFIBUS PA.

The combination of 24 GHz frequency and high signal-to-noise ratio results in exceptional signal reflection, ensuring accurate measurements regardless of the dielectric value of the medium.

  • Process Intelligence for advanced signal processing and quick and easy adjustment
  • Self-guided quick start wizard for plug and play startup
  • 24 GHz provides superior reflective properties on solids surfaces
  • 100 m (328 ft) range for long-range and difficult applications
  • Easy Aimer optimizes signal quality on sloped surfaces
  • Programming using infrared Intrinsically Safe handheld programmer or with SIMATIC PDM or HART handheld device

Product Data Sheet – Siemen SITRANS LR460 Radar Level Transmitter

Operation Manual – Siemen SITRANS LR460 Radar Level Transmitter


Application FMCW radar level measurement

(Measuring Range)

0.35 … 100 m (1.15 … 328.08 ft)
Output 4 … 20 mA
Measuring Accuracy Greater of 25 mm (1 inch) or 0.25 % of span (including hysteresis and non-repeatability), over the full ambient temperature range
Operating conditions 40 … +200 °C (-40 … +392 °F)

0.5 bar g (7.25 psi g) maximum

Degree of Protection IP67/Type 4X/NEMA 4X/Type 6/NEMA 6
Weight Approx. 6.1 kg (13.4 lb) with 3 inch universal flange
Electrical Connections 2 x M20 x 1.5 or 2 x ½” NPT
Explosion Protection IECEx (Dependent on Configuration)
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SIEMENS SITRANS LR460 Radar Level Transmitter

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