NDLI: Indirect conductivity measurement of liquids in flexible containers

Content Provider	IEEE Xplore Digital Library
Author	Nihtianov, S.N. Meijer, G.C.M.
Copyright Year	1997
Description	Author affiliation: Lab. of Electron. Res., Delft Univ. of Technol., Netherlands (Nihtianov, S.N.)
Abstract	This paper presents an indirect method for measuring the conductivity of liquid foods, packed in flexible TEA (Tetra Brik Aseptic) food-containers. The method is intended for intensive (100%) non-invasive sterility-testing of aseptically packed liquid food-products. It can also be applied for other containers, which have similar construction. An electric model is developed for the measured impedance, which consists of a few components. Some of them are dependent on the conductivity /spl sigma/ of the liquid. Relation is derived between the active component R of the measured impedance and the conductivity of the food. The sensitivity and the robustness of the method is investigated with respect to its application under industrial conditions and experimental results are presented.
Starting Page	919
Ending Page	922
File Size	439807
Page Count	4
File Format	PDF
ISBN	0780337476
ISSN	10915281
DOI	10.1109/IMTC.1997.610260
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-19
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductivity measurement Liquids Containers Electrodes Impedance measurement Electric variables measurement Food products Circuits Food technology Electrical products industry
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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