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.

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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 TFM^TM 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 TFM^TM 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	TFM^TM PTFE	316L stainless steel, PTFE, FKM	TFM^TM 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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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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