National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Measurement of precise capacitance decade in environmental chamber
Schinneck, Jakub ; Bartoň, Jan (referee) ; Havlíková, Marie (advisor)
This bachelor’s thesis deals with the control capacitance decade in a climatic chamber. The theoretical part introduces a capacitance decade M525 of the MEATEST company and the program Caliber of the same company. It introduces the methods of capacitance measurement. In the bachelor’s thesis there is the calculation of the uncertainty of measuring devices. On the basis of the lowest uncertainty, we choose the most suitable measuring device. The practical part describes the measuring with the use of prepared procedure for verification of the capacitance of programmable decade. The last part contains the evaluation of the measurement results and their comparison with the manufacturer's specifications.
Calibration rutines of the standard Datron 4920
Schinneck, Jakub ; Bednář, Pavel (referee) ; Havlíková, Marie (advisor)
This master’s deals with the calibration routines of the alternating voltage measurement standard Datron 4920. The first part introduces the basic terminology of metrology, its history and organizations specializing in metrology. The thesis describes the alternating voltage at the highest metrological level through AC/DC difference. The theoretical part also describes the alternating voltage measurement standard Datron 4920 and its measurement functions together with the calibration routines. The main aim of thesis is to create the calibration procedures AVMS Datron 4920. Based on the created calibration procedures, a flowchart of application for calibration routines is designed. The practical part then continues with programming application for calibrating AVMS Datron 4920 based on the created flowchart. In conclusion, the application is tested at selected points of measurement and an analysis of measurement uncertainties is carried out.

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