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M. Nau

Investigation of the Uncertainties of a Calibration Unit for Temperature Sensors

Heat meters are used for measuring the quantity of heat. The principle is based upon measuring the flow and the temperature difference in a heating plant. For small temperature differences below 10 K it is important to measure the temperature with high accuracy. To comply with the legal conditions and tolerances the temperature sensors must be calibrated with an uncertainty of 21 mK. Investigations on a calibration unit used in a production line show the effects of various influence quantities. The uncertainty analysis is presented taking these information into account.

tm – Technisches Messen, Oldenbourg Wissenschaftsverlag

Print ISSN: 0171-8096
Volume: 68, 01/2001
Pages: 27

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