Calibrating particle emission-detecting instruments

Details Calibrating particle emission-detecting instruments Calibrating particle emission-detecting instruments

1996-03-27

1997-02-18

Raevis, Robert

Measuring and testing

Instrument proving or calibrating

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

G01N 1700

Patent

active

056042957

ABSTRACT:
In the calibration of a dust concentration measuring instrument at very low dust in gas concentration levels dust is introduced at a known and uniform rate into a gas stream and the instrument is caused to provide a detected concentration value.

REFERENCES:
patent: 3491592 (1970-01-01), Evers et al.
patent: 3679973 (1972-07-01), Smith, Jr. et al.
patent: 3693401 (1972-09-01), Purt et al.
patent: 4167870 (1979-09-01), Haas
patent: 4670137 (1987-06-01), Koseki et al.
patent: 5502998 (1996-04-01), Miller et al.

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