Method and apparatus for proving electronic gas meters

Details Method and apparatus for proving electronic gas meters Method and apparatus for proving electronic gas meters

1989-11-13

1990-09-04

Noland, Tom

Measuring and testing

Instrument proving or calibrating

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

364510, G01F 2500

Patent

active

049533860

ABSTRACT:
A method and apparatus for proving an electronic gas meter and the like that includes counting the number of pulses provided by an encoder associated with a bell prover to define a volume of test fluid which is supplied to the meter under test, enalbing the meter to measure the volumetric fluid flow rate and integrating the volumetric flow rate of test fluid measured by the gas meter during the test, and data representing the actual volume of test fluid supplied to the meter under test to determine the percent proof or accuracy of the meter.

REFERENCES:
patent: 3933027 (1976-01-01), Mehall
patent: 3937048 (1976-02-01), St. Clair et al.
patent: 4027523 (1977-06-01), St. Clair
patent: 4566307 (1986-01-01), Boykin
patent: 4685324 (1987-08-01), Bourdon et al.
patent: 4700568 (1987-10-01), Sleffel
ON SET Computer Corp., "Tattletale Model III", Application Note, pp. 4, 5 and 10-11.
Hewlett Packard, "Quadrature Decoder/Counter Interface IC", HCTL-2000.

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