SITRANS LG270 from Siemens is a radar particularly well-suited for level and interface measurement of liquids under extreme conditions in the chemical, petrochemical, power, general and maritime industries. It can be used for aggressive media in tanks with agitators, vapors, high temperature, high pressure, and low dielectric constant. The LG270 can measure up to 60 m, at temperatures between -196...+450 °C and up to 400 bar.

For sales or commercial inquiries please contact us at marine@insatech.com.

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Guided Radar for Liquids and Interfaces Under Extreme Conditions

The SITRANS LG270 is a guided microwave radar available in various versions. It is particularly well-suited for continuous level or interface measurement in liquids, even under challenging conditions that would be difficult for a traditional non-contact radar, such as:

  • Foam formation
  • Steam and condensation
  • Media buildup on the sensor
  • Changes in media density
  • Turbulent media surfaces
  • Changes in process pressure and temperature

LG270 can measure up to 60 m and is suitable for aggressive media in tanks and vessels with agitators, vapors, high temperature and pressure, and low dielectric constant. It can handle temperatures between -196...+450 °C and pressures up to 400 bar.

Particularly suitable for use in the chemical, petrochemical, power, and general industries.

Advantages of the LG Series

  • High accuracy of ±2 mm
  • Advanced diagnostics for a high level of safety
  • Simple menu-driven display for easy setup
  • A wide range of options ensures reliability in most level measurement applications
  • Easy maintenance through modular design and field-replaceable and adjustable probes
  • The perfect solution for a wide range of applications, from storage to interface, with options for high temperature and pressure
  • Universally applicable in liquids, interfaces, slurries, and solids
  • Highly resistant to buildup using the auto-learning function
  • Ability to measure in situations with lost echo using "probe-end-tracking"
  • Suitable for API 2350
For technical questions

Martin Søvind Jensen


Tel: +45 2761 4502

Email: Martin.Sovind@insatech.com

Write to Martin

For commercial inquiries

Astrid Mihut


Tel.: +45 5537 2095

Email: Marine@insatech.com

 

Contact us now

LG-Series comes in four models

Siemens SITRANS LG240 Guided Radar

Guided wave radar for level and interface measurement in liquids with low DK value. It is particularly well-suited for level measurements in bypass or stilling wells and in hygienic liquid applications.

Siemens SITRANS LG250 Guided Radar

The radar is particularly well-suited for level and interface measurement in the chemical, petrochemical, power, and general industries. It is a flexible solution that can be used in tanks, media separation, and ammonia applications.

Siemens SITRANS LG260 Guided Radar

The radar is particularly well-suited for level measurement of solids in the cement, power, food, mineral, mining and maritime industries. It can be used for materials such as grain, plastic, coal, fly ash, and cement. The LG260 is available with a rod or cable and can measure up to 60 m, at temperatures between -40...+200 °C and up to 40 bar.

Siemens SITRANS LG270 Guided Radar

The radar is particularly well-suited for level and interface measurement of liquids under extreme conditions in the chemical, petrochemical, power, general and maritime industries. It can be used for aggressive media in tanks with agitators, vapors, high temperature, high pressure, and low dielectric constant. The LG270 can measure up to 60 m, at temperatures between -196...+450 °C and up to 400 bar.

Technical Specifications
Measuring range - Distance

60 m

Process temperature

-196...+450 °C 

Process pressure

-1...+400 bar

Accuracy

± 2 mm

Output
  • 4...20 mA / HART
  • Modbus RTU
  • Modbus ASCII
  • PROFIBUS PA
  • FOUNDATION Fieldbus
  • SIMATIC PDM
  • DTM / FDT for PACTware
  • Fieldcare
Protection rating
  • Plastic housing: IP66 / IP67
  • Aluminum and stainless steel housing: IP66 / IP68
Ambient temperature

-40...+80 °C

Materials, wetted parts
  • 316
  • 316L
  • Alloy C22 (2.4602)
  • 904L (1.4539)
Gasket material

FFKM

Materials, housing
  • Plastic
  • Aluminum
  • Stainless steel

See datasheet for more information

Process connections

Threads and flanges

See datasheet for more information

Specifications & Manuals

  • Manual - Siemens SITRANS LG270 Operating Instructions 4...20 mA HART to-wire
    English | pdf
  • Technical Specifications - Siemens SITRANS LG240 Datasheet (LG series)
    English | pdf
  • Siemens Level Guide
    English | pdf

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