Low Dielectric Radar Level Measurement

by | Jun 22, 2020 | Level, Measurement Instrumentation

Jim Cahill

Chief Blogger, Editor

Guided wave level measurement technology works by sending low-energy microwave pulses along a metal probe which is then reflected by the surfaces. The probe is in direct contact with the media and detects a level when reaching a media with a different dielectric constant. It calculates the distance to the surface, which is then subtracted from the total length to calculate the level.

For applications with fluids with very low dielectric constants and over very long ranges, probe end projection technology enables accurate measurements. This under one-minute video, Rosemount 5303 guided wave radar with probe end projection: How it works., succinctly explains how it works.

This guided wave radar technology is suitable for solids applications but also for difficult liquid applications like boiling hydrocarbons.

Visit the Rosemount 5300 Level Transmitter-Guided Wave Radar page on Emerson.com for more this level measurement technology for challenging measurements on liquids, slurries, and solids for control and safety instrumented functions.

You can also connect and interact with other level measurement experts in the Measurement Instrumentation group in the Emerson Exchange 365 community.

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