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Type: Artigo de periódico
Title: A Low Power, Battery Operated Precision Portable Thermal Chamber With Double Thermoelectric Module
Author: Spengler A.W.
Ferreira E.C.
Dias J.A.S.
Abstract: A low-power thermal chamber with a volume of only 2.5 liters capable of reaching temperatures over the -5°C to 70°C range was designed and constructed. Two small 12 V batteries are used as the power supply for the complete system. Thermoelectric modules were used as actuators since their size and performance characteristics allow the portability and precise temperature control. The PID control provided stability and errors better than normally found in expensive commercial thermal chambers, with maximum temperature error of ±0.2°C with respect to the setpoint and with a fluctuation of ±0.1°C.
Rights: fechado
Identifier DOI: 
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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