• DocumentCode
    3003756
  • Title

    A microwave system for moisture monitoring in wet powders for industrial applications

  • Author

    Bianchi, G. ; Dionigi, M. ; Fioretto, D. ; Sorrentino, R.

  • Author_Institution
    Elettronica S.p.A., Roma, Italy
  • Volume
    4
  • fYear
    1999
  • fDate
    13-19 June 1999
  • Firstpage
    1603
  • Abstract
    A microwave resonant sensor for moisture monitoring in wet powders has been designed, fabricated and tested. The moisture content is evaluated by measuring the resonant frequency by means of inexpensive electronic circuitry capable of producing 800 frequency samples in less than 1 s. An accuracy better than 0.5% in wet sand has been demonstrated. The probe calibration procedure consists of just 3 resonant frequency measurements, allowing in situ calibrations for different types of powders.
  • Keywords
    UHF detectors; UHF measurement; calibration; moisture measurement; permittivity measurement; powders; 600 to 700 MHz; UHF; accuracy; calibration; design; electronic circuitry; industrial applications; microwave resonant sensor; microwave system; moisture monitoring; resonant frequency; wet powders; Calibration; Circuit testing; Frequency measurement; Microwave sensors; Moisture measurement; Monitoring; Powders; RLC circuits; Resonance; Resonant frequency;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Microwave Symposium Digest, 1999 IEEE MTT-S International
  • Conference_Location
    Anaheim, CA, USA
  • Print_ISBN
    0-7803-5135-5
  • Type

    conf

  • DOI
    10.1109/MWSYM.1999.780276
  • Filename
    780276