Digital Voltmeter
With the gradual development of technology, there has been a need for more precision while making experimental calculations. This led to the development of digital voltmeters. A digital voltmeter is used for measuring potential differences between two specific points in an electric circuit. Being a digital meter, the values measured either alternating or direct are discrete meaning that output values are more similar to “On” and “Off” values. This results in more precise results ensuring minimum error due to pointer errors.
Types of Voltmeter
Voltmeters are generally categorized into two types namely digital and analog which have been briefly explained
- Digital Voltmeter: A digital voltmeter uses a numeric display to show the exact value of the measurement. This makes digital voltmeters more precise and easier to read. Due to the fragile nature of these voltmeters, they are more expensive than analog voltmeters.
- Analog Voltmeter: An analog voltmeter uses a needle that moves along a range of scale to measure the value across instruments. Thus makes analog voltmeters more responsive and durable. That being said ,they are more prone to errors making them less accurate mainly because of interference and parallax errors.
Working Principle of Digital Voltmeter
A voltmeter is a significant device used in electronics engineering for measuring potential developed across various devices. Depending on the requirements these voltmeters can be designed into two types that being digital and analog. In this article, we will briefly discuss the two types of voltmeters. Later we will study about digital voltmeter and the working principle behind it. We will also see the block diagram of a digital voltmeter and how it works. The digital voltmeter can further be divided into certain types and we will discuss them too. This description will include talking about their specifications as well. After the discussion, we will talk about the advantages and disadvantages of digital voltmeters which are considered while using digital voltmeters in some real-life appliances. This will conclude the article with some Frequently Asked Questions for user reference.
Table of Content
- Digital Voltmeter
- Working Principle
- Block Diagram
- Types
- Advantages
- Disadvantages
- Applications