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Guided Wave Radar Series

Principle of Operation


Pulses of low power microwaves are sent along a cable and is used as a measuring system. At the point where the wave meets the product surface it is reflected by the product. Time of Flight system design & time expansion are used for to measure the distance between the product surface and the sensor mounting position. The intensity of the reflection depends on the dielectric constant of the product. The higher the dielectric constant, the stronger the reflection will be e.g up to 80% reflection for water.

The instrument measures the time between emission and reception of the signal which is proportional to the distance. Products with a dielectric constant equal to or greater than 1.4 will work, which means the reflection from the product surface is used directly for the measurement of the level.

Primary Areas of Application


• Chemicals / Petrochemicals
• Energy
• Food & Beverages
• Minerals & Mining
• Oil & Gas
• Pharmaceutical
• Pulp & Paper
• Wastewater

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e-Centurion Guided Wave Radar Data Sheet (TDR Series)
PDF - File Size: (2001kb)
e-Centurion Guided Wave Radar Manual (TDR Series)
PDF - File Size: (6825kb)


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