Electrical measurements

Electric Wiring Testing & Inspection Instruments Requirements

In order to carry out the verification process proficiently, the person conducting the inspection and test must be in possession…

3 weeks ago

Testing Power and Distribution Transformers

The typical practice for testing power and distribution transformers is to carry out a comprehensive set of tests at the…

4 weeks ago

Megohmmeter: Function & Operation

The megohmmeter or megger is a portable deflection instrument widely used to check the insulation resistance of electrical cables and…

2 months ago

Standards Used in Measurements & Their Classifications

For anyone performing a measurement using a particular instrument, it usually matters to know whether the instrument is calibrated or…

2 months ago

The Principle of Operation of a Digital Frequency Meter

A frequency meter/counter is a digital instrument that can measure and display the frequency of any periodic waveform. Its operation…

7 months ago

Basic Elements of an Electronic Instrument

An electronic instrument is made up of the following key elements: Transducer Signal modifier Indicating device Fig: Elements of an…

7 months ago

Electrical vs. Electronic Instruments

Despite the fact that both electrical and electronic instruments measure electrical quantities like voltage and current, they differ from each…

8 months ago

Basic Features of a DC Potentiometer

A potentiometer is an instrument that is used for measurement of potential difference across a known resistance or between two…

1 year ago

How to calibrate a dc voltmeter

An instrument may be calibrated by comparing its reading with that of a more accurate instrument when both are measuring…

1 year ago

Features and Applications of Instrument Transformers

Instrument transformers are used in the measurement of voltage, current, energy, and power in ac circuits. The main reasons why…

2 years ago