Apparatus and method for online or offline measurement of vapor

Details Apparatus and method for online or offline measurement of vapor Apparatus and method for online or offline measurement of vapor

1998-08-24

2000-01-04

Williams, Hezron

Measuring and testing

With fluid pressure

Porosity or permeability

34242, G01N 1508, F26B 2500

Patent

active

060097434

ABSTRACT:
An apparatus for measuring and comparing the permeant transmission rate through film material on a moving conveyor, including a first and second chamber through which the film material is moved, a permeant supply to the first chamber and a permeant detector connected to the second chamber. A computer processor is connected to the detector to quantify the detected amounts of permeant and to compare the detected permeant amounts with similar amounts detected for a different material sample, and for determining the permeant transmission rate characteristics of the film material by such comparison.

REFERENCES:
patent: 4335610 (1982-06-01), Scott
patent: 4492041 (1985-01-01), Mansour

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