SITRANS LR250

SITRANS LR250

Radar Level Transmitter

SITRANS LR250 is your first choice for liquid level measurement in storage and process vessels up to 66 feet (20 m). With its range of antennas, this transmitter can handle whatever you need. New flanged and hygienic encapsulated antennas mean corrosive or aggressive materials and hygienic or sanitary requirements are no challenge for this transmitter.

Radar Level Meaurement

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SITRANS LR250 Horn antenna 
SITRANS LR250 is a 2-wire, 25 GHz pulse radar level transmitter for continuous monitoring of liquids and slurries in storage and process vessels including high temperature and pressure, to a range of 20 m (66 ft).

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SITRANS LR250 PVDF antenna 
SITRANS LR250 with threaded PVDF antenna is a 2-wire, 25 GHz pulse radar level transmitter for continuous monitoring of liquids and slurries in storage and process vessels including corrosives or aggresive materials, to a range of 10 m (32.8 ft).

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SITRANS LR250 Flanged encapsulated antenna 
SITRANS LR250 with flanged encapsulated antenna is a 2-wire, 25 GHz pulse radar level transmitter for continuous monitoring of liquids and slurries in storage and process vessels including corrosives or aggressive materials, to a range of 20 m (66 ft) (antenna dependent).

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SITRANS LR250 Hygienic Encapsulated Antenna 
SITRANS LR250 hygienic encapsulated antenna is a 2 wire 25 GHz pulse radar level transmitter with sanitary and hygienic approvals for continuous monitoring of liquids, slurries and pastes within the Food, Beverage, chemical and pharmaceutical industries to a range of 20 m (66 ft) - antenna dependent.

Down.oad Catalog Sheet

 

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

Benefits

SITRANS LR250 Horn antenna

  • 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

  • 25 GHz high frequency allows for small horn antennas for easy mounting in nozzles

  • Insensitive to mounting location and obstructions, and less sensitive to nozzle interference

  • Short blanking distance for improved minimum measuring range to 50 mm (2") from the end of the horn

  • Communication using HART® or PROFIBUS PA, or FOUNDATION Fieldbus TM

  • Process Intelligence signal processing for improved measurement reliability and Auto False-Echo Suppression of fixed obstructions

  • Programming using infrared Intrinsically Safe handheld programmer or over a network using SIMATIC PDM, Emerson AMS, or Field Device Tools, such as PACTware or Fieldcare via SITRANS DTM.

  • Suitable for use in safety related systems in accordance with IEC 61508/61511 (SIL-2)

  • 3mm (0.118 inch) accuracy in accordance with IEC 60770-1


SITRANS LR250 PVDF antenna 

All the benefits of SITRANS LR250 Horn antenna and the following:

  • Fully insulated Threaded PVDF antenna designed for use in simple applications within chemical environments where aggressive and corrosive materials are used

  • Cost effective replacement for transmitters made of exotic materials

  • 2" (50 mm) threaded process connection/antenna allow for easy mounting in nozzles


SITRANS LR250 Flanged encapsulated antenna 

All the benefits of SITRANS LR250 Horn antenna and the following:

  • Fully encapsulated horn antenna design with flange mount and FDA approved flush faced TFM 1600 PTFE lens for use in chemical and sanitary environments where aggressive and corrosive materials are used

  • Flush lens antenna allows for easy cleaning and less intrusion in vessel

  • Cost effective replacement for transmitters made of exotic materials

  • 2 inch (50 mm) process connection/antenna allow for easy mounting


SITRANS LR250 Hygienic Encapsulated Antenna 

All the benefits of SITRANS LR250 Flanged Encapsulated antenna and the following:

  • < 0.8 μ Ra surface finish for maximum cleanability and hygiene requirements commonly required in sanitary environments

  • Industry standard process connections (DIN 11851, ISO 2852 (tri-clamp), DIN 11864, Tuchenhagen Varivent Types F and Type N

  • 3-A, EHEDG EL Aseptic Class I, EHEDG EL Class I

  • FDA and USP Class VI approved materials

Detail

Technology
Pulse radar
Range
20m (66 ft)
Process Temperature
-40 to 200 °C (-40 to 392 °F)
Process Pressure
Up to 40 bar g (580 psi g)
Maximum measured error
3 mm (0.118 inch)
Certificates and approvals
General Purpose, Intrinsically Safe, Explosion Proof/Flame Proof, Non Sparking/Non Incendive, Increased Safety
Technology
Pulse radar
Measurement range
10m (32.8 ft)
Process temperature
-40 to 80 °C (-40 to 176 °F)
Pressure (vessel)
Up to 5 bar g (72.5 psi g)
Maximum measured error
3 mm (0.118 inch)
Certificates and approvals
General Purpose, Intrinsically Safe, Explosion Proof/Flame Proof, Non Sparking/Non Incendive, Increased Safety
Technology

Pulse radar

Measurement range
20m (66 ft)
Process temperature
-40 to 170 °C (-40 to 338 °F)
Pressure (vessel)
See Pressure/Temperature curves in the catalog for more information
Maximum measured error
• > 500 mm from sensor reference point: 3 mm (0.118 inch) 
• < 500 mm from sensor reference point: 25 mm (1 inch)
Certificates and approvals
General Purpose, Intrinsically Safe, Explosion Proof/Flame Proof, Non Sparking/Non Incendive, Increased Safety
Technology
Pulse radar
Measurement range
20m (66 ft)
Process temperature
-40 to 170 °C (-40 to 338 °F)
Pressure (vessel)
See Pressure/Temperature curves in the catalog for more information
Maximum measured error
• > 500 mm from sensor reference point: 3 mm (0.118 inch) 
• < 500 mm from sensor reference point: 25 mm (1 inch)
Certificates and approvals
3-A, EHEDG EL Class I, EHEDG EL Aseptic Class I 
General Purpose, Intrinsically Safe, Explosion Proof/Flame Proof, Non Sparking/Non Incendive, Increased Safety

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Safety integrated

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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