Thermal measuring and testing – Differential thermal analysis – Detail of sample holder or support therefor
Patent
1997-10-31
1998-12-01
Gutierrez, Diego F.F.
Thermal measuring and testing
Differential thermal analysis
Detail of sample holder or support therefor
374 10, G01N 2520
Patent
active
058427880
ABSTRACT:
A Differential Scanning Calorimeter (DSC) which has constant calorimetric sensitivity over its entire range of operating temperatures from -200.degree. C. to 540.degree. C. The DSC sensor consists of a pair of thin-film Resistance Temperature Detectors (RTDs) which are used to sense the temperature of a sample and the temperature difference between the sample and an inert reference. The RTDs are supplied with an excitation current which varies according to the temperature of the reference to achieve constant calorimetric sensitivity, independent of the operating temperature.
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Danley Robert L.
Reader, Jr. John R.
Schaefer John W.
Gutierrez Diego F.F.
TA Instruments, Inc.
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