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Novel Material Density Sensor Based on Left-handed Line Resonators

05.06.2007
The new material density sensor enables contactless and highly sensitive mass flow measurements of dielectric materials transported in pipe lines or with conveyor belts.

The concept is based on so called left-handed line resonators and meets the requirements of a short sensor length, low frequencies to reduce sensor costs and an adequate sensitivity to enable a high resolution of changes in permittivity.

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