Voltmeters

Voltmeters

A voltmeter is an electronic instrument used to measure the electrical potential difference between two points in an electric circuit. It is an essential tool for electrical engineers, technicians, and hobbyists who need to measure voltage accurately. The voltmeter works by connecting it in parallel with the circuit element whose voltage is to be measured. The voltmeter measures the voltage across the element and displays the reading on a digital or analog display. Voltmeters can be classified into two types: analog and digital. Analog voltmeters use a needle and a scale to display the voltage reading, while digital voltmeters use a digital display. Digital voltmeters are more accurate than analog voltmeters and are easier to read. They are also more versatile and can measure a wider range of voltages. Voltmeters can also be classified based on their range. Some voltmeters are designed to measure low voltages, while others are designed to measure high voltages. High voltage voltmeters are used in power plants and other industrial applications, where high voltages are common. In addition to measuring voltage, some voltmeters can also measure other electrical parameters such as current and resistance. These instruments are known as multimeters and are widely used in the electrical industry. Overall, voltmeters are essential tools for anyone working with electrical circuits. They provide accurate and reliable measurements of voltage, which is critical for ensuring the safety and proper functioning of electrical systems.

electrical potential difference, analog voltmeters, digital voltmeters, multimeters, voltage measurement

— Jonathan Lewis

CITATION : "Jonathan Lewis. 'Voltmeters.' Design+Encyclopedia. https://design-encyclopedia.com/?E=408004 (Accessed on July 04, 2025)"