SITRANS LR 300 is a pulse radar level instrument for liquids and slurries in process vessels and extreme or hazardous process conditions to a maximum range of 20 m (65 ft).

The SITRANS LR 300 is available both for standard applications and for applications that require explosion proof protection.

The SITRANS LR 300 features a compact design and robust construction and is available with an epoxy-coated aluminum or stainless steel enclosure. Operating at low frequency and high signal transmission speed, it is virtually unaffected by atmospheric or temperature conditions. It provides reliable measurement in environments with harsh chemicals, steam, dust, encrustation, turbulence and agitation.

The high resistance PTFE rod antenna is chemically immune and resistant to material buildup. The SITRANS LR 300 can communicate using the following protocols: Modbus®, HART® or optional PROFIBUS PA.

When using the flange or threaded antenna options, the SITRANS LR 300 is easily installed by positioning the unit on a standpipe, bolting or threading it in place and connecting it to the power supply. There’s no need to fill or empty the vessel for calibration or commissioning.

Key Applications: liquid bulk storage tanks, agitated process vessels.

  • Auto False-Echo Suppression
  • Infrared intrinsically safe handheld or remote programming
  • 5.8 GHz (U.S.A. 6.3 GHz)
  • Built-in diagnostics
  • Various flanges, horn and waveguide antenna options available
  • Extremely high signal-to-noise ratio
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