发明授权
- 专利标题： Apparatus for determining the water content of isotropic materials by means of microwave absorption
- 专利标题（中）： 通过微波吸收法测定各向同性材料的含水量的装置
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申请号： US886693申请日： 1978-03-15
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公开(公告)号： US4203067A公开(公告)日： 1980-05-13
- 发明人: Hans G. Fitzky , Franz Schmitt , Norbert Bollongino , Helmut Rehrmann
- 申请人： Hans G. Fitzky , Franz Schmitt , Norbert Bollongino , Helmut Rehrmann
- 申请人地址： DEX Leverkusen
- 专利权人： Bayer Aktiengesellschaft
- 当前专利权人： Bayer Aktiengesellschaft
- 当前专利权人地址： DEX Leverkusen
- 优先权： DEX2714094 19770330
- 主分类号： G01N22/04
- IPC分类号： G01N22/04 ; G01R27/04
摘要：
The measuring arrangement consists of a frequency-modulated microwave oscillator which supplies a closed resonator charged with the sample in a transmission circuit. The change in the quality factor induced by the water content of the sample is used as the unknown. The sample is located in the substantially homogeneous range of the electrical field maximum of a stationary wave in a cylindrical single mode cavity resonator of the E.sub.010 mode, the diameter of the sample being not more than 25% of the internall diameter of the resonator and the length of the sample being not more than 50% of the height of the resonator.
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