TITLE

Comment on 'A versatile thermoelectric temperature controller with 10 mK reproducibility and 100 mK absolute accuracy' [Rev. Sci. Instrum. 80, 126107 (2009)]

AUTHOR(S)
Sloman, Anthony William
PUB. DATE
February 2011
SOURCE
Review of Scientific Instruments;Feb2011, Vol. 82 Issue 2, p027101
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Libbrecht and Libbrecht recently described a thermoelectric temperature controller for which they claimed an absolute accuracy of 100 mK. They did not specify the heat-dissipation coefficient for their thermistor temperature sensor-which would dissipate more power than is usual in such circuits- nor make any allowance for self-heating in the thermistor. Self-heating can be expected to have introduced more than 100 mK of absolute error in their circuit.
ACCESSION #
58700519

 

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