Instrumentation Archives | Electrical Academia

Volt-Ohm-Milliammeter (VOM): Definition, Functions & Types

Definition: A common and simple multimeter used in electronic circuits is the volt-ohm-milliammeter or VOM. A VOM is … Read More

A common type of meter movement measures current and voltage. It is the D’Arsonval movement, or stationary magnet, … Read More

An analog multimeter is a meter that can measure two or more electrical properties and display the measured … Read More

An analog electronic voltmeter uses an electronic amplifier to improve the performance of an electromechanical voltmeter. For example, … Read More

Analog Meter Accuracy The accuracy of all deflection instruments is specified by the manufacturer as a percentage of … Read More

For measurement of inductance, the Maxwell Bridge shown in figure 1 can be employed. It is seen that the … Read More

One disadvantage of simple Capacitance Bridge is that perfect balance of the bridge is obtained only when Cs … Read More

AC bridges are used for measurement of inductances and capacitances. All AC bridge circuits are based on Wheatstone … Read More

A phase rotation meter, as shown in figure 1, is a device used to determine the phase order … Read More

Fig.1: Digital Multimeter There are two main types of multimeters. One of the first and oldest multimeters … Read More

In a dc circuit, the power supplied to a load can be determined by measuring the load voltage … Read More

A high voltage source is required to pass a measurable current through such resistances. Thus, the megger … Read More