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Title: Liquid Gravitometers For Recording, Transmitting And Controlling
Author: W. R. Gay
Source: 1969 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1969
Abstract: The Arcco-Anubis Liquid Gravitometers record the specific gravity of a continuously flowing sample of liquid to a very high degree of accuracy. These instruments are generally supplied with a temperature compensation element so that the specific gravity as recorded on the chart is the specific gravity of the liquid at 60 deg. F., even though the temperature of the liquid passing through the instrument may vary widely from 60*F. In general these instruments may be considered to be a spring balance recording the dead weight of a fixed volume of the liquid in terms of specific gravity. The volume which is being weighed Continuously is very close to 1,000 cc. The system through which the liquid passes while being weighed is completely closed. There are no stuffing boxes, packed glands or other sources of friction or leakage in this system. Friction may exist only in the linkage and pen mechanism and this has been designed so as to reduce friction to the lowest practical limits.

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