Measuring and testing – Instrument proving or calibrating – Gas or liquid analyzer
Reexamination Certificate
2006-03-21
2006-03-21
Cygan, Michael (Department: 2855)
Measuring and testing
Instrument proving or calibrating
Gas or liquid analyzer
C073S335020
Reexamination Certificate
active
07013700
ABSTRACT:
A measuring device for measuring the moisture in gases comprises the following features: a moisture sensor and an evaluation unit connected thereto to provide a measured quantity representing a relative moisture in a gas, and a heating device which is thermally coupled to the moisture sensor. Said heating device is adapted to keep the moisture sensor at an operating temperature that is higher than the ambient temperature of the moisture sensor by an at least approximately constant difference in temperature.
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patent: 5345810 (1994-09-01), Rosen
patent: 5777206 (1998-07-01), Zuchner et al.
patent: 5792938 (1998-08-01), Gokhfeld
patent: 5844138 (1998-12-01), Cota
patent: 6230543 (2001-05-01), Froehling et al.
patent: 3500839 (1986-07-01), None
patent: 2716975 (1995-09-01), None
Cygan Michael
Muirhead and Saturnelli LLC
Testo AG
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