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.

A bevel protractor is a precision measuring instrument used to measure angles accurately. Figure 1: Bevel Protector. Construction of Bevel

A mechanical tachometer is a device used to measure the rotational speed of a shaft or disk. It operates using

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

Figure 1: Michelson Interferometer. Michelson interferometer or DC laser interferometer is the oldest device. It utilizes monochromatic light from an

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