Construction of Weston Type Frequency Meter The construction and connection diagram of the Weston type frequency meter is shown in the Figure 1. It consists of two coils, coil-1 and coil-2 (each divided into two parts) which are placed perpendicular to each other. Figure (1): Weston Type Frequency Meter.
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The number of cycle per second of the alternating quantity is known as the frequency. The instruments used to measure frequency called Frequency Meter.
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In Moving Iron instruments (or MI Instruments), an iron piece moves, when repelled (or attracted) by the magnetic field of a coil. With the moving piece, a pointer is attached which shows deflection on a calibrated scale. These instruments are simple, cheap and reasonably accurate and can be used for ac/dc measurements hence find extensive
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