Automatic viscosity measuring device

Details Automatic viscosity measuring device Automatic viscosity measuring device

1990-11-27

1992-09-01

Razavi, Michael

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

G01N 1104

Patent

active

051428997

ABSTRACT:
An automatic viscosity measuring device which measures sample levels, automatically fills a sample to a marked line by vacuum pressure, automatically counts the time for the sample to fall by a sensor in the upper and lower marked lines, finds intrinsic viscosity by concentration and then measures the degree of error from relative viscosity in the case of the Ostwald's viscosimeter, which automatically measures the viscosity of a high molecular material.

REFERENCES:
patent: 3604247 (1971-09-01), Gramain
patent: 3713328 (1973-01-01), Aritomi
patent: 3798960 (1974-03-01), Glass
patent: 3908441 (1975-09-01), Virloget
patent: 4425790 (1984-01-01), Bice et al.
Grinnell Jones and S. K. Talley "The Automatic Timing of the Ostwald Viscometer by Means of Photoelectric Cell" Journal of Physics vol. 4 (Jun. 1933) pp. 215-224.

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