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Multimeter Buying Guide

Multimeter Buying Guide. A picture of a multimeter

Multimeter Buying Guide

Multimeter Buying Guide


Our multimeter buying guide provides useful information on types, things to consider, what makes a good multimeter, price verses quality. and additional information. Multimeters are indispensable tools for professionals, hobbyists, and DIY enthusiasts alike. These devices allow for the measurement of electrical properties such as voltage, current, and resistance, providing vital information for diagnosing and troubleshooting electrical systems. Over the years, multimeters have evolved significantly, transitioning from analogue to digital, leveraging technological advancements to offer greater precision and functionality.

Understanding Multimeter Types

Digital vs. Analogue

Digital multimeters (DMMs) provide clear numerical readings on a digital display, offering accuracy and ease of use. Analogue multimeters, on the other hand, utilize a moving needle to indicate values on a scale, requiring interpretation by the user. While analogue multimeters may offer a nostalgic appeal, digital multimeters generally provide superior accuracy and functionality.

Handheld vs. Benchtop

Handheld multimeters are portable and suitable for on-the-go measurements, making them ideal for fieldwork and general-purpose use. Benchtop multimeters are larger and more stationary, often offering increased accuracy and a wider range of features, making them suitable for laboratory or workshop settings.

Auto-Ranging vs. Manual Ranging

Auto-ranging multimeters automatically select the appropriate measurement range based on the input signal, simplifying the measurement process for users. Manual-ranging multimeters require the user to manually select the measurement range, offering more control but requiring additional expertise.

Features to Consider

Accuracy and Resolution

Accuracy and resolution are crucial factors in multimeter selection, as they directly impact the reliability of measurements. Higher accuracy and resolution ensure precise readings, especially when dealing with sensitive electronics or intricate circuits.

Measurement Options

Multimeters can perform various measurements, including voltage, current, resistance, continuity, capacitance, temperature, and frequency. Advanced functions broaden the scope of applications, catering to diverse user needs.

Safety Ratings

Safety ratings, such as CAT III and CAT IV, indicate the level of protection against electrical hazards. Choosing a multimeter with an appropriate safety rating is essential to safeguard users against potential risks.

Build Quality and Durability

A sturdy build quality enhances the durability of the multimeter, protecting it from accidental drops, water splashes, and dust ingress. Robust construction ensures reliable performance even in demanding environments.

Extra Features

Additional features like backlit displays, data hold functions, and connectivity options (e.g., Bluetooth) enhance user convenience and productivity, adding value to the multimeter.

What Makes a Good Multimeter for Home Use?

For home or hobbyist use, prioritising ease of use, essential functions, safety, and affordability is key. Multimeters designed for casual users should offer intuitive operation, essential measurement capabilities, adequate safety features, and a reasonable price point. Examples of suitable multimeters include models with user-friendly interfaces, basic measurement functions, safety certifications, and budget-friendly pricing.

Price vs. Quality

Multimeters are available across a wide price range, from budget-friendly options to high-end models. While budget multimeters may suffice for basic needs, investing in a higher-priced model often yields better reliability, accuracy, and additional features. Users should weigh their requirements against the available budget, considering the long-term value provided by a quality multimeter.

Current Measurement: 10A vs. 20A Multimeters

The amperage rating of a multimeter determines its suitability for measuring current. Choosing between 10A and 20A multimeters depends on the user’s typical projects and requirements. For low-current applications, a 10A multimeter may suffice, whereas high-current tasks necessitate the use of a 20A multimeter to avoid overloading and damage.

Making Your Decision

When selecting a multimeter, it’s essential to consider factors such as accuracy, functionality, safety, durability, and budget. By assessing individual needs and preferences, users can make an informed decision that aligns with their specific requirements. A checklist or comparison chart can serve as a handy reference during the selection process, facilitating the evaluation of different multimeter options.


In conclusion, as this multimeter buying guide explains, choosing the right multimeter involves evaluating various factors to ensure suitability for the intended application. While price is a consideration, prioritising reliability, accuracy, and functionality leads to a more satisfying and productive user experience. By understanding their needs and conducting thorough research, users can find a multimeter that meets their requirements without compromising on quality.

Additional Resources

For further reading and resources on multimeters and electrical measurements, consider exploring topics such as safe multimeter usage, basic electrical theory, and advanced diagnostic techniques. Useful downloadable guides on safety and regulation can be found on the Heath and Safety Executive website. In addition, we have produced our own Introduction to Multimeters guide.

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