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LCR Bridge

LCR Bridge: Basic LCR Bridge (Skeleton Type) : A simple bridge for the measurement of resistance, capacitance and inductance may be constructed with four resistance decades in one arm, and…

Vector Impedance Meter (Direct Reading)

Vector Impedance Meter (Direct Reading): If some knowledge of the reactive and resistive factors is needed, in addition to obtaining a direct reading of the magnitude of the impedance (Z),…

Measure of Capacitance and Inductance in Oscilloscope

Measure of Capacitance and Inductance in Oscilloscope: Measure of Capacitance and Inductance in Oscilloscope - Capacitance may be measured from a capacitor discharge curve. This requires a dc oscilloscope with…

Working Principle of Digital Multimeter

Working Principle of Digital Multimeter: Analog meters require no power supply, they give a better visual indication of changes and suffer less from electric noise and isolation problems. These meters…

Digital Voltmeters Features and Characteristics

Digital Voltmeters Features and Characteristics: Digital Voltmeters Features and Characteristics which includes measuring instruments that convert analog voltage signals into a digital or numeric readout. This digital readout can be displayed…

Working Principle of Multimeter

Working Principle of Multimeter: A multimeter is basically a PMMC meter. To measure dc current the meter acts as an ammeter with a low series resistance. Range changing is accomplished…

Multirange Ohmmeter

Multirange Ohmmeter: The Multirange Ohmmeter circuit shown in Fig. 4.28 (a) is only for a single range of resistance measurement. To measure resistance over a wide range of values, we…

Considerations in Choosing an Analog Voltmeter

Considerations in Choosing an Analog Voltmeter: Considerations in Choosing an Analog Voltmeter has the following factors are to be considered. 1. Input Impedance The input impedance or resistance of the…