NDLI: Flow sensor for field measurement of viscous liquid usage for consumer studies

Content Provider	IEEE Xplore Digital Library
Author	Hatzfeld, C. Schroder, C. Unger, A. Morar, O. Klemm, T. Kupnik, M. Werthschutzky, R.
Copyright Year	2015
Description	Author affiliation: Inst. of Electromech. Design, Tech. Univ. Darmstadt, Darmstadt, Germany (Hatzfeld, C.; Unger, A.; Kupnik, M.; Werthschutzky, R.) \|\| Procter & Gamble Service GmbH, Kronberg, Germany (Schroder, C.; Morar, O.; Klemm, T.)
Abstract	The usage of household liquids such as detergent or shampoo is a relevant parameter in customer research. It has to be measured in a real environment to eliminate effects of staged studies. We present a 3D-printed sensor usable for both flow and derived mass measurements for such high viscous liquids. It can handle pulsating flows and has negligible influence on typical user's behavior. The sensor is a variable-area sensor with a spring-loaded float to ensure operation in all positions. Displacement is measured by a hall sensor and magnet inside the float. Because of the temperature dependence of the liquid's viscosity, a temperature sensor and a look-up-table are employed to derive mass measures from displacement measures. System size is Ø20 mm × 120 mm; it fits in a commercially available detergent bottle. Readout is realized by an IrDA-interface, a LiPo battery ensures six month operation. The sensor exhibits an overall accuracy of -0.36 % and a lower precision of 10.09 % for a nominal range of 1 to 6 g of fluid.
Sponsorship	IEEE
Starting Page	1
Ending Page	4
File Size	943892
Page Count	4
File Format	PDF
e-ISBN	9781479982035
DOI	10.1109/ICSENS.2015.7370343
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-01
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature measurement Liquids Temperature sensors Calibration Viscosity Measurement uncertainty Temperature
Content Type	Text
Resource Type	Article

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