Densitometer calibration apparatus and method

Details Densitometer calibration apparatus and method Densitometer calibration apparatus and method

1990-08-13

1993-03-02

Noland, Tom

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01D 1800

Patent

active

051899019

ABSTRACT:
A densitometer calibration apparatus includes an enclosure for a pressure vessel which may be submerged in a water bath within the enclosure and through which a control fluid is circulated by a pump and a closed loop conduit arrangement to provide continuous steady state circulation of a fluid whose density is used for calibration. A second flow loop including a pump and a pycnometer are in communication with the pressure vessel for filling the pycnometer with a quantity of fluid to be weighed for density comparison with the densitometer reading. Fluid is circulated through the pressure vessel while it is submerged in the temperature controlled water bath and the pycnometer is filled and removed for weight determination at selected operating pressures and temperatures to obtain densitometer calibration parameters.

REFERENCES:
patent: 2179892 (1939-11-01), Lindblad
patent: 3298221 (1967-01-01), Miller et al.
patent: 3320791 (1967-05-01), Banks
patent: 4570476 (1986-02-01), Davis
patent: 4694679 (1987-09-01), Woods
patent: 4699002 (1987-10-01), Rockley
patent: 4745807 (1988-05-01), O'Neill

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