In order to carry out the verification process proficiently, the person conducting the inspection and test must be in possession…
The typical practice for testing power and distribution transformers is to carry out a comprehensive set of tests at the…
The megohmmeter or megger is a portable deflection instrument widely used to check the insulation resistance of electrical cables and…
For anyone performing a measurement using a particular instrument, it usually matters to know whether the instrument is calibrated or…
A frequency meter/counter is a digital instrument that can measure and display the frequency of any periodic waveform. Its operation…
An electronic instrument is made up of the following key elements: Transducer Signal modifier Indicating device Fig: Elements of an…
Despite the fact that both electrical and electronic instruments measure electrical quantities like voltage and current, they differ from each…
A potentiometer is an instrument that is used for measurement of potential difference across a known resistance or between two…
An instrument may be calibrated by comparing its reading with that of a more accurate instrument when both are measuring…
Instrument transformers are used in the measurement of voltage, current, energy, and power in ac circuits. The main reasons why…