Microwave Surface Level Monitor
- 1 August 1971
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Industrial Electronics and Control Instrumentation
- Vol. IECI-18 (3) , 85-92
- https://doi.org/10.1109/tieci.1971.231107
Abstract
Nonconventional applications of a microwave multifrequency CW radar for contactless and continuous monitoring of liquid surface levels are discussed. Analytical and experimental analysis utilizing the multiple-frequency technique to eliminate ambiguous distance measurements are presented. The method makes use of a waveguide partially immersed in the liquid and allows the measurement of phase differences between the outgoing and reflected waves, which is then utilized to determine the liquid level. Potential applications of the proposed method are the monitoring of water levels in piezometers and other liquids in large storage tanks.Keywords
This publication has 5 references indexed in Scilit:
- Radio-frequency Techniques for Measuring Water Levels in Narrow-Diameter Piezometers*Journal of Microwave Power, 1970
- The Measurement of Phase at UHF and Microwave FrequenciesIEEE Transactions on Microwave Theory and Techniques, 1966
- Measurements of Electromagnetic Back-scattering from Known, Rough Surfaces*Bell System Technical Journal, 1965
- THE TELLUROMETER SYSTEM OF DISTANCE MEASUREMENTEmpire Survey Review, 1957
- Back Scattering from Water and Land at Centimeter and Millimeter WavelengthsProceedings of the IRE, 1957