Apparatus and method for measuring physical quantities

作者: Shigeyasu Higashi , Yorihiko Maeno

DOI:

关键词:

摘要: An apparatus for measuring physical quantities comprises a microwave cavity resonator (1) provided with protrusion (4) on its axis. object (2) to be measured is placed in the central portion (17) of parallel it, or vertically against (4), so that an electric field can confined area measured. This results precise measurement minute A method obtaining moisture content x (g/m2) and basis weight y from equations having at least product term y, by frequency voltage energy maximum resonance point enables easily accurately

参考文章(9)
Kazuhiko Saiwai, Osamu Tomita, Yoshihiko Fujii, Shigeyoshi Osaki, Method and apparatus for measuring orientation of constituents of webs or sheets ,(1984)
Richard Ward, John Patrick Scully, Water moisture measuring instrument and method ,(1984)
Tokio Hirano, Seiichiro Kiyobe, Microwave moisture sensor ,(1984)
Shinichi Nagata, Shigeyoshi Osaki, Yoshihiko Fujii, Method of measuring orientation of sheet or web like materials ,(1985)