The Automatic Timing of the Ostwald Viscometer by Means of a Photoelectric Cell
作者:
Grinnell Jones,
S. K. Talley,
期刊:
Journal of Applied Physics
(AIP Available online 1933)
卷期:
Volume 4,
issue 6
页码: 215-224
ISSN:0021-8979
年代: 1933
DOI:10.1063/1.1745184
出版商: AIP
数据来源: AIP
摘要:
A new method for the automatic measurement of the time of flow of a liquid in a viscometer of the Ostwald type by means of a photoelectric cell is described. The elimination of the psychological errors inherent in the older technique permits greater precision. Other sources of error in the use of the Ostwald viscometer are analyzed and the precautions necessary for precision viscometry are discussed.
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