Method and apparatus for auditing means used for measuring an al

Details Method and apparatus for auditing means used for measuring an al Method and apparatus for auditing means used for measuring an al

1989-10-02

1991-08-20

Noland, Tom

Measuring and testing

Sampler, sample handling, etc.

Flow divider, deflector, or interceptor

73 1R, G01N 102, G01D 1800

Patent

active

050404237

ABSTRACT:
This invention concerns a method and an apparatus for auditing the means used for extracting an aliquot of a bulk material from its mass for measurement of one or more characteristics of said bulk material, especially during handling or processing, and involves concurrently measuring one or more variables which affect the accuracy or the reliablity of said means used for making the extraction to produce an aliquot with the same characteristics as the mass from which the extraction was made.

REFERENCES:
patent: 3299258 (1967-01-01), Borsboom et al.
patent: 3392587 (1968-07-01), Gy
patent: 3699320 (1972-10-01), Zimmerman et al.
patent: 3831011 (1974-08-01), Hulma
patent: 4250257 (1981-02-01), Lee et al.
patent: 4278886 (1981-07-01), Wallace
patent: 4324146 (1982-04-01), Born
patent: 4882927 (1989-11-01), Gould
patent: 4887453 (1989-12-01), Carter et al.
patent: 4910519 (1990-03-01), Duell et al.
patent: 4954975 (1990-09-01), Kalata

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