Electrical measurements

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…

2 years 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

RF Power and Voltage Measurement

RF system’s output power level is often the key factor in the design and ultimately the performance of virtually all…

4 years ago

Digital vs. Analog Instruments

Electronic instruments mainly voltmeters used either transistor or vacuum tubes. The later one is called The Vacuum Tube Voltmeter (VTVM)…

4 years ago

Power Measurements in DC Circuits

Measurement of electric power is essential in both commercial industrial applications and domestic applications. Prior estimation and subsequent measurements of…

4 years ago