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

Anthony William Sloman | Zendy

Open Access

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

Author(s) -

Anthony William Sloman

Publication year - 2011

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.3534845

Subject(s) - thermistor , allowance (engineering) , reproducibility , absolute zero , temperature control , seebeck coefficient , materials science , thermoelectric effect , temperature coefficient , power (physics) , controller (irrigation) , electronic circuit , temperature measurement , control theory (sociology) , thermodynamics , physics , nuclear engineering , computer science , mathematics , mechanical engineering , statistics , control (management) , quantum mechanics , artificial intelligence , engineering , agronomy , biology , composite material

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.

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