SITRANS LR250

SITRANS LR250’s complete range of antennas and process connections makes this transmitter suitable for nearly any liquids application. Built to last, these antennas give you liquid level flexibility for inventory and process vessels.

Industry Mall

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The all-rounder: Polypropylene lens antenna

  • Excels in most industrial applications at a budget-conscious price point
  • Lightweight polyester powder-coated horn yields a very high signal 
  • Highly corrosion-resistance polypropylene and FKM wetted materials for use in a wide range of chemicals with nominal pressure and temperature
  • Universal polymeric flanges offer exceptional value and fit DIN, ASME and JIS bolt patterns

The oil and gas specialist: the 316L horn antenna

  • Featuring multiple sizes and pressure classes
  • PTFE emitter and FKM seal, optional FFKM seal for higher corrosion resistance
  • Flanges and threaded process connections to ASME/ANSI and DIN standards, typical in oil and gas applications
  • Highest temperature range to
    200 °C (392 °F)
  • Ideal for stilling wells and bypass pipes

The extreme expert: flanged encapsulated antenna with PTFE lens

  • Can handle extremely corrosive chemicals and high temperatures/pressures
  • Ideal for process control applications in the chemical industry
  • Easy to clean FDA-approved TFMTM PTFE lens
  • A cost-effective replacement for antennas made of exotic metals

The hygienic hero: HEA hygienic encapsulated antenna

  • Hygienic antenna suitable for dairy, breweries, and pharmaceutical industries
  • EHEDG and 3A approved design is easy to clean
  • 316L stainless steel and TFMTM PTFE wetted surfaces suitable for clean-in-place operations
  • Widest range of process connections

Benefits

  • Easy setup with graphical HMI with Quick Start Wizard or remote access via EDD or DTM
  • Intrinsically safe infrared handheld programmer for local interface
  • Field proven with rugged encapsulated enclosure based on 10+ years of experience
  • Reliable readings with Process Intelligence advanced echo processing for reliable performance
  • Ready for digitalization with HART, PROFIBUS PA or FOUNDATION fieldbus for connectivity
  • The right antenna and process connection for the application with a wide range of antenna materials for all industries: Polypropylene, PTFE, PP, or 316L stainless steel

Supplementary Components are designed to work with most types of instrumentation to provide enhanced functionality such as remote displays and remote monitoring solutions. Please find more information here.

 

Don’t forget that the safest engineered level measurement solution includes switches for back-up, overfill, low level and dry run protection. Click here for more information

One transmitter, a world of liquid level applications

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Detail

 

SITRANS LR250 PLA

(polypropylene lens antenna) 

SITRANS LR250 FEA

(flange encapsulated antenna)
SITRANS LR250 Horn

SITRANS LR250 HEA

(hygienic encapsulated antenna)
Order No
7ML54315
7ML5432
7ML5431
7ML5433
Range
20 m (66 ft)
20 m (66 ft)
20 m (66 ft)
20 m (66 ft)
Process temperatures
80 °C (176 °F)
170 °C (338 °F)
200 °C (392 °F)
170 °C (338 °F)
Wetted materials
polypropylene, FKM
TFMTM PTFE
316L stainless steel, PTFE, FKM
TFMTM PTFE
Process connection types & sizes
universal flanges 3"/80mm, 4"/100mm, 6"/150mm
flanges 2", 3", 4", 6" Class 150 ASME B16.5, DN50, 80, 100, 150 PN10/16
1-1/2", 2" and 3" threaded. flanges 2", 3", 4", 6" Class 150 and 300 ASME B16.5, DN50, 80, 100, 150 PN10/16 and PN40
ISO 2852 sanitary clamp, DIN 11864-1, DIN 11864-2, DIN 11864-3, DIN 11851, and Tuchenhagen Varivent Type F and N
Approvals
CSA, FM, ATEX, IECEX, INMETRO, NEPSI, Ex-proof, Intrinsically safe
CSA, FM, ATEX, IECEX, NEPSI, INMETRO, Ex-proof, Intrinsically safe, Marine
CSA, FM, ATEX, IECEX, NEPSI, INMETRO,Ex-proof, Intrinsically safe, Marine
CSA, FM, ATEX, IECEX, NEPSI, INMETRO, Ex-proof, Intrinsically safe, 3A, EHEDG

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Safety is key in the process industries. A failure in instruments relevant for safety may have serious implications for humans, the process and the environment. Therefore, a wide range of our process instruments come with on-board safety features for maximum risk reduction.

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Industry-leading technology for your toughest applications

When you partner with Siemens, you get true application versatility: easy-to-install radar level measurement with flanged, threaded, and sanitary process connections for every application. This broad range of devices are highly reliable and precise, featuring innovative operations and design for your industry and your process.

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