SIEMENS SITRANS LR200 Radar Level Transmitter


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Siemens SITRANS LR200: A cutting-edge 2-wire, 6 GHz pulse radar level transmitter engineered for continuous monitoring of liquids and slurries in process vessels, even in challenging conditions like high temperature, pressure, agitation, and turbulence, with a remarkable range of up to 20 meters (65 feet).


With its unique design, the SITRANS LR200 offers safe and straightforward programming using the Intrinsically Safe handheld programmer, eliminating the need to open the instrument’s lid. Additionally, it boasts a built-in alphanumeric display available in four languages for enhanced usability.

Equipped with a standard Uni-Construction polypropylene rod antenna, the LR200 ensures excellent chemical resistance and hermetic sealing. Its Uni-Construction antenna features an internal, integrated shield, eliminating vessel nozzle interference for accurate readings.

Startup is a breeze, requiring as few as two parameters for basic operation, while installation is simplified with electronics mounted on a rotating head that swivels, facilitating alignment with conduit or wiring connections and easy viewing adjustment. Featuring Process Intelligence signal-processing technology, the SITRANS LR200 ensures superior reliability in level monitoring applications.

  • Graphical local user interface (LUI) makes operation simple with plug-and-play setup using the intuitive Quick Start Wizard
  • LUI displays echo profiles for diagnostic support
  • Communication using HART or PROFIBUS PA
  • Process Intelligence signal processing for improved measurement reliability and Auto False-Echo Suppression of fixed obstructions
  • Programming using infrared Intrinsically Safe handheld programmer or SIMATIC PDM

Product Data Sheet – Siemen SITRANS LR200 Radar Transmitter

Operation Manual – Siemen SITRANS LR200 Radar Transmitter


Application Radar Level Transmitter

(Measuring Range)

0.3 … 20 m (1.0 … 65 ft)
Output 4 … 20 mA
Measuring Accuracy 10 mm (0.4 inch) or 0.1 % of span (whichever is greater)
Operating conditions -40 … +80 °C (-40 … +176 °F)
Degree of Protection Type 4X/NEMA 4X, Type 6/ NEMA 6, IP67, IP68
Weight < 2.82 kg (6.21 lb) (polypropylene rod antenna)
Electrical Connections Dependent on Configuration
Explosion Protection IECEx (Dependent on Configuration)
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SIEMENS SITRANS LR200 Radar Level Transmitter

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