Measuring and testing – Sampler – sample handling – etc. – With constituent separation
Patent
1985-12-12
1989-04-18
Noland, Tom
Measuring and testing
Sampler, sample handling, etc.
With constituent separation
7386385, 738665, 21032187, G01N 122
Patent
active
048215856
ABSTRACT:
A probe for the determination of the concentrations of volatile components in liquids or gases comprises a probe body consisting of two essentially tubular, coaxial parts which are disposed one within the other. The external part carries in its front zone a permeation canal, formed by a thread, and covered by a tubular permeation membrane. A protective sleeve surrounds and is spaced from that membrane. At its front end, the external part is closed by a plug-like closing member which defines a holding space for a gas sensor or for an adapter connected with an external measuring instrument. A carrier medium is fed to the permeation canal via a ring-shaped carrier-medium feed canal between the external and internal body parts and the carrier medium is returned via a return line disposed inside the probe body. In the zone of attachment to a connection piece, the external part carries an O-ring and the outside of the screwed-on protective sleeve is aligned with the outside of the mounting zone.
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Cone John M.
Noland Tom
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