Measurements & Instrumentation

Eddy current is circular current which is induced by a conductor when it is kept in a changing magnetic field. […]

Spring balance is a force measuring device which works on the principle of Hooke’s law. According to Hook’s law, the

Figure 1: Vernier scale. Figure 2: Vernier Bevel Protractor.

Figure 1: Bevel Protector. A bevel protractor is an angle measuring instrument, consisting of the following parts as shown in

Mechanical Tachometer uses mechanical parts in their construction. Therefore, the speed is measured with the help of movement in the

Figure 1: Hydraulic Load Cell. The principle of operation of hydraulic load cell is when a force is applied on

Figure 1: Mechanical Torsion Meter. Mechanical torsion meter contains a shaft mounted between two drums and two flanges. One drum

Michelson interferometer or DC laser interferometer is the oldest device. It utilizes monochromatic light from an extended source, and works

Coordinate measuring machine (CMM) is one of the most important equipment used in the contact type inspection process of parts.

Fig. 1: Strain Gauge Accelerometer. Working Principle of Strain Gauge Accelerometer When acceleration to be measured is applied to a