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What is a 80Ghz Radar Level Meter

October 13, 2021

A 80Ghz radar level meter, also called millimeter wave radar meter, adopts the frequency modulation continuous wave (FMCW) technology and a millimeter wave band with a higher frequency than Ku band radar. It can detect smaller targets than microwave radar and achieve more precise positioning, it has higher resolution and stronger confidentiality.

Working Principle

80Ghz radar level meters work based on the continuous wave with frequency variation transmitted within a certain period, and the echo reflected by the object has a certain frequency difference with the transmitted signal. The distance information between the target and the radar level meter is obtained by measuring the frequency difference.


80GHz radar level transmitters are used for solids and liquids measurement


Compared with 24Ghz and 10Ghz radar level transmitters, 80Ghz radar level meters have a wider application. Regarded as high frequency, 80 GHz radar level meters emit a signal that broadcasts a much narrower radar “beam” than the two. The narrow beam avoids issues such as poor installations, getting false levels from obstacles, and weak return signals which challenge the two. As a new industrial level measuring instrument, they have the features of high temperature resistance, high pressure resistance, vacuum resistance, strong penetration, steam, dust and other effects. And they can measure solids and almost all the liquids.