• Aurora


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Aurora® Magnetic Level Indicator

Aurora combines the operation of a conventional float operated magnetic level indicator with the leading edge technology of Guided Wave Radar. The result is a true level measurement redundancy in a single 3" or 4" chamber design.

Eclipse Guided Wave Radar is a 2-wire loop powered 24 V DC liquid level transmitter utilising Time Domain Reflectometry technology (TDR) to perform level measurement independent from media characteristics and process conditions. AURORA is a completely self-contained unit for side mounting to a tank or vessel with threaded or flanged pipe connections.

Using a 3" or 4" chamber to house both the ECLIPSE coaxial style probe and the MLI float, these devices operate seamlessly to provide continuous electronic guided wave radar measurement and visual indication. There are six basic configuration styles and more than 15 material selections for the AURORA magnetic level indicator.

For the first time ever, the ability to accurately and repeatedly measure ultra low dielectric media, high-temperature/high-pressure process conditions, and media with shifting and changing dielectric values can be accomplished with AURORA.

Operating Principle

Change in the process tank level corresponds to change within the AURORA chamber. The float within the chamber actuates flags or a shuttle for visual indication while the ECLIPSE GWR transmitter provides continuous electronic level measurement.


  • Feedwater heaters
  • Industrial boilers
  • Oil water separators
  • Flash drums
  • Surge tanks
  • Gas chillers


  • ECLIPSE GWR transmitter
  • Broad range of chamber styles
  • Fabricated non-magnetic chamber
  • ANSI and DIN flanges
  • Precision manufactured float
  • Flag or shuttle type indicator


  • Level switches
  • Level transmitters
  • Stainless steel scale
  • Custom scales

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