The Impact of Frequency in Non-Contacting Radar Level Measurement
Published on : Monday 30-11--0001
With over 40 years of continuous development, radar has become the preferred technology for level measurement in many of today's industrial applications.
For non-contacting radars, the microwave frequency transmitted by the radar is onearea in which there have been recent developments.
Traditionally, three different frequency bands have been used for level measurement: the C-band (~6 GHz), the X-band (~10 GHz), and the K-band (~26 GHz).
These frequency bands combine many attractive properties for accurate and reliable millimetre-precision measurement. Recently, radars using 75–85 GHz frequencies (the lower part of the W-band) have been introduced as a further option.
The use of 75-85 GHz radars is mainly driven by the development of automotive radar applications such as parking sensors