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Characterization of the self-heat effect of thermistors in the VSL water calorimeter for absorbed dose

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Characterization of the self-heat effect of thermistors in the VSL water calorimeter for absorbed dose

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Samenvatting

Research has been done to improve the understanding the self-heat effect, due to power dissipation, of temperature-dependant resistors in the VSL water calorimeter. A custom measurement program has been written to be able to control and read out three Agilent 3458A digital multimeters (DMMs). With these DMMs the course of resistance during the self-heating has been mapped and the timing of integration on this path has been determined.

Part of this analysis was the determination of the stability of the current provided by an Agilent 3458A DMM. The DCI mode (direct current) and the DCV mode (direct voltage) in combination with a shunt have been compared.

OrganisatieDe Haagse Hogeschool
OpleidingTISD Technische Natuurkunde
AfdelingAcademie voor Technologie, Innovatie & Society Delft
PartnersVSL Dutch Metrology Institute (Van Swinden laboratorium)
Jaar2014
TypeBachelor
TaalEngels

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