Sampling probe and method of use

Details Sampling probe and method of use Sampling probe and method of use

1976-08-27

1977-11-29

Swisher, S. Clement

Measuring and testing

Measuring vessel

G01N 124

Patent

active

040600017

ABSTRACT:
A sampling probe and method for its use in which a flow amplifier utilizing the Coanda wall attachment effect has attached to its inlet an isokinetic sampling nozzle and has attached to its outlet a straight tube so that upon passing a flow of compressed, motive gas through the throttling inlet of the flow amplifier, a flow of sample gas is induced from a gaseous external environment of the probe and the motive gas provides a barrier between the sample gas and the wall of the flow amplifier and attached tube. In an embodiment of the invention the motive gas is a dry gas at elevated temperature which reduces moisture content of samples of moist gas environments.

REFERENCES:
patent: 3784902 (1974-01-01), Huber
patent: 3795367 (1974-03-01), Mocarski
patent: 3938930 (1976-02-01), Grey

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