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  Calibration of Voltmeter and Ammeter by Potentiometer NV6032 Operating Manual Ver 1.1 141-B, Electronic Complex, Pardesipura, Indore- 452 010 India Tel.: 91-731- 4211500 email: info@nvistech.com Toll free : 1800-103-5050 PDF created with pdfFactory Pro trial version www.pdffactory.com NV6032 Calibration of Voltmeter and Ammeter by Potentiometer NV6032 Table of Contents 1 Introduction 3 2 Features 4 3 Technical Specifications 5 4 Theory 6 5 Experiments ã Experiment 1 Study of
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   Calibration of Voltmeter and Ammeter by Potentiometer NV6032 Operating Manual Ver 1.1 141-B, Electronic Complex, Pardesipura, Indore- 452 010 India Tel.: 91-731- 4211500 email: info@nvistech.com Toll free : 1800-103-5050 PDF created with pdfFactory Pro trial version www.pdffactory.com  NV6032 Nvis Technologies 2 Calibration of Voltmeter and Ammeter by Potentiometer NV6032 Table of Contents 1   Introduction 3 2   Features 4 3   Technical Specifications 5 4   Theory 6 5   Experiments ã   Experiment 1 25 Study of Standardization of the DC Potentiometer ã   Experiment 2 26 Calibration of voltmeter using DC potentiometers ã   Experiment 3 28 Calibration of Ammeter using DC potentiometer 5.   Warranty 30 6.   List of Accessories 30 PDF created with pdfFactory Pro trial version www.pdffactory.com  NV6032 Nvis Technologies 3 Introduction NV6032 Calibration of Voltmeter and Ammeter by Potentiometer  is very useful setup for understanding functioning of Potentiometer, Voltmeter and Ammeter.   It is a complete unit with Potentiometer, Calibration unit. Calibration unit have a Voltmeter and a Ammeter, which can be Calibrated by Potentiometer. A potentiometer is an instrument designed to measure an unknown voltage by comparing it with a known voltage It has a high degree of accuracy The potentiometer is used extensively for the calibration of voltmeters and ammeters, and provides a standard method for calibration of these instruments. A potentiometer is an instrument designed to measure an unknown voltage by comparing it with a known voltage. Measurements using the comparison method are capable of a very high degree of accuracy because the result obtained does not depend on an actual pointer deflection, as is the case with a moving-coil instrument,  but only on the accuracy of the known voltage standard to which the comparison made. Since the potentiometer makes use of a balance or null condition, no power is consumed from the circuit containing emf when the instrument is balanced. Although the potentiometer measures voltage, it can be used to determine current simply by measuring the voltage drop produced by the unknown current through a known resistance. The potentiometer is used extensively for the calibration of voltmeters and ammeters, and provides the standard method for calibration of these instruments. PDF created with pdfFactory Pro trial version www.pdffactory.com  NV6032 Nvis Technologies 4 Features ã   Inbuilt meters ã   Complete Setup requires no other accessories ã   Compact design ã   Extensive Operating Manual ã   Two years warranty PDF created with pdfFactory Pro trial version www.pdffactory.com
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