Measuring and testing – Gas content of a liquid or a solid – By vibration
Patent
1980-03-28
1982-06-22
Ruehl, Charles A.
Measuring and testing
Gas content of a liquid or a solid
By vibration
G01N 2568
Patent
active
043355978
ABSTRACT:
A dew point hygrometer which employs two cooled reflective surfaces with one surface being held at a lower temperature than the other. The lower temperature surface provides a wet mirror to detect dew formation and the dry mirror provides a standard which may be used to compensate for contamination build up on both surfaces.
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patent: 3280618 (1966-10-01), Ballinger
patent: 3281814 (1966-10-01), Roth
Hayes, Jr. Stanley B.
O'Connor Robert T.
EG & G, Inc.
Ruehl Charles A.
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