In this note, we are going to learn about different types of multimeters, which are frequently used in electrical and electronics work. Welcome to Poly Notes Hub, a leading destination for engineering notes.
Author Name: Arun Paul.
Different Types of Multimeter in Electrical and Electronics
Here we have listed different types of multimeters that are used in electrical and electronics engineering or works for measuring various parameters like, voltage, current, resistance, RMS value, frequency etc. Those multimeters are –
- Analog Multimeter
- Digital Multimeter
- Fluke Multimeter
- Clamp Multimeter
- Auto Ranging Multimeter
In the picture above, we can see various types of multimeters, and below, we will discuss their functions and applications as well.
1. Analog Multimeter
An analog multimeter is a type of electrical measurement device that measures voltage (AC/DC), current, and resistance using a moving coil and needle display. It requires manual reading and interpretation because it shows values on a graded scale. Despite being less precise than digital types, it works well for tracking signals that change gradually. When trends and signal fluctuations are more significant than precise results, analog multimeters are robust and practical.
Applications of Analog Multimeter
- Observing gradual voltage changes in analog circuits
- Testing fuses, batteries, and continuity
- Educational labs and practical learning
2. Digital Multimeter
An electronic measuring tool that shows voltage, current, and resistance values as numbers on an LCD screen is called a digital multimeter. Compared to analog multimeters, it yields faster and more accurate readings and frequently has extra features like capacitance, frequency measurement, continuity check, and diode testing. Because of its accuracy, usability, and variety of features, DMMs are frequently utilized in industrial, home electrical, and electronics applications.
Applications of Digital Multimeter
- Electronic circuit repair and testing
- Diagnosing household electrical issues
- Industrial equipment servicing
Click Here to know more about the digital multimeter.
3. Fluke Multimeter
High-end digital multimeters called Fluke are renowned for their accuracy, robust construction, and cutting-edge capabilities. They are made for professionals and have strict safety standards. They can measure a variety of factors, such as voltage, current, resistance, frequency, temperature, and continuity. Commercial, industrial, and field service applications all make extensive use of these multimeters. They are a reliable tool in demanding and complex applications since they also provide data logging, illuminated displays, and accurate RMS measurements.
Applications of Fluke Multimeter
- Industrial plant equipment diagnostics
- HVAC system troubleshooting
- Power supply and transformer testing
4. Clamp Multimeter
A clamp meter is a multipurpose tool that lets you measure current without disrupting the circuit or physically touching it. In order to detect current flow, it has jaws that open to clamp around a conductor and detect magnetic fields. The majority of contemporary clamp meters can measure resistance and voltage and double as digital multimeters. In power systems where direct contact is dangerous or unfeasible, this instrument is perfect for monitoring high current.
Applications of Clamp Multimeter
- Non-intrusive current measurement in live circuits
- Troubleshooting electric panels and motors
- Commercial and industrial current monitoring
5. Auto Ranging Multimeter
Digital multimeters that automatically choose the proper measurement range for voltage, current, or resistance are known as auto-ranging multimeters. This reduces user error and makes it easier to operate by doing away with the requirement for manual range selection. Beginners and general-purpose applications where speed and ease of use are crucial will find it very useful. Numerous testing measures and safety features are also included in the majority of models.
Applications of Auto Ranging Multimeter
- Beginner-friendly electronics testing
- Measuring unknown voltage or resistance values
- Fast troubleshooting in general maintenance