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Multimeters are devices that measure multiple electrical properties including voltage (volts), current (amps) and resistance (ohms), providing valuable insights into the functionality and health of electrical systems. [Multimeters](https://au.rs-online.com/web/content/discovery/ideas-and-advice/digital-multimeters-guide) are available in a variety of types to suit diverse needs, ranging from basic models ideal for beginners, to advanced, high-precision ones designed for professionals who require a broader range of measurement capabilities.

## **What Is a Multimeter and How Does It Work?**

A multimeter is a versatile electronic measuring instrument, commonly used by electricians and technicians for troubleshooting and diagnosing electrical circuits and components. It works by utilising internal circuitry to measure electrical quantities, displaying the results on a screen or dial. 

They are available in two different types; analogue or digital. Analogue multimeters use a needle to indicate the measured value on a graduated scale, while digital multimeters provide a clear numerical display on an LCD screen for easier reading. Multimeters offer a wide range of testing capabilities, and their functionality can vary significantly depending on the model and price. Since no two multimeters are the same, it's crucial for electricians and electronic engineers to invest in a high-quality multimeter with diverse functions to meet their testing needs.

## **Types of Multimeters**

These are the following types of multimeters:

### **Analogue Multimeters**

Although relatively simple to use, analogue multimeters generally offer limited accuracy and fewer features compared to their digital counterparts. However, they are often preferred for specific tasks, such as observing rapidly fluctuating values or detecting continuity, where the visual representation of the needle movement can be advantageous.

### **Digital Multimeters**

Digital multimeters offer improved accuracy and a wider range of functions compared to the analogue versions. They come in various forms, including handheld and clamp meter versions, each catering to specific measurement requirements. Handheld multimeters are portable and convenient for field work, while clamp meters combine the functionality of a multimeter with a current clamp, for measuring high currents without interrupting the circuit.

### **Bench Multimeters**

Bench multimeters are a type of digital multimeter, representing larger, more sophisticated instruments designed for stationary use in workshops or laboratories. They offer high accuracy, advanced features and a wide range of measurement capabilities. This makes them ideal for tasks such as calibration, testing electronic components and conducting detailed circuit analysis. These multimeters are more suitable for engineers and technicians, who require precise measurements and advanced functionality for their work.

## **Multimeter Testing**

To ensure accurate and safe multimeter testing, follow these essential steps:

- **Visual Inspection:** Before starting, inspect the multimeter, test leads, and probes for any damage.
- **Safety First:** Prioritise safety by de-energising circuits when possible and using appropriate safety gear.
- **Function Selection:** Select the correct measurement function on the multimeter (voltage, current, resistance, etc.).
- **Probe Connection:** Connect the probes correctly, paying close attention to polarity (red to positive, black to negative).
- **Range Setting:** Begin with the highest range and gradually decrease it to avoid overloading the meter.
- **Measurement:** Take the measurement, ensuring stable readings.
- **Continuity/Diode Test:** Utilise the continuity and diode test functions to verify circuits and components.
- **Periodic Calibration:** Ensure accuracy by periodically testing the multimeter with a multimeter tester, which provides known values for verification.

## **Measurements Performed by Multimeters**

Beyond the fundamental measurements of multimeters, some models also offer additional functionalities to cater to diverse testing needs: 

- **AC or DC Voltage:** Measure the electrical potential difference between two points in a circuit, in either alternating current (AC) or direct current (DC) form.
- **Resistance:** Determine the opposition to the flow of electric current in a circuit or component.
- **Continuity: **Verify the completeness of an electrical circuit, or identify breaks in a wire or connection.
- **Current:** Measure the flow of electrical charge through a circuit.
- **Diode Testing:** Test the functionality of diodes — semiconductor devices that allow current to flow in only one direction.

Some advanced multimeters offer even more measurement capabilities, including:

- **Frequency:** Measure the number of cycles per second of an AC signal.
- **Temperature:** Determine temperature using a thermocouple probe.
- **Capacitance:** Measure the ability of a capacitor to store electrical charge.
- **True RMS:** Provide accurate readings of AC voltage and current, even for non-sinusoidal waveforms.
- **Auto-ranging:** Automatically select the appropriate measurement range, simplifying operation and preventing overload.

## **Multimeter vs Voltmeter**

While both multimeters and voltmeters measure voltage, they differ significantly in their functionality and applications:

- **Functionality:** While a voltmeter specialises solely in measuring voltage, a multimeter offers more functions by measuring various electrical properties, including voltage, current and resistance.
- **Versatility:** For diverse electrical tasks like troubleshooting and diagnostics, multimeters provide high versatility. Voltmeters, with their focus on precise voltage measurements, have a more limited scope.
- **Accuracy:** Voltmeters often deliver higher precision specifically for voltage measurements, making them ideal for sensitive circuits and calibration. Multimeters, while still accurate, offer a broader range of measurement capabilities.
- **Applications:** When precise voltage measurement is critical, such as in electronics design and calibration, voltmeters are preferred. Multimeters are commonly used for general electrical work, troubleshooting, and diagnostics due to their versatility.

## **Industrial Applications of Multimeters**

Multimeters are indispensable tools that prove their value in diverse applications and environments. They provide crucial insights into the functionality and safety of electrical systems across a range of industries: 

### **Electronics Industry**

Essential for testing and troubleshooting, multimeters play a vital role in the electronics industry. These devices help verify the correct operation of components, identify faults and ensure the quality and reliability of electronic circuits, devices and products.

### **Domestic Electrical Work**

When it comes to domestic electrical work, multimeters are invaluable tools. From installing wiring and testing outlets to troubleshooting faulty appliances, they ensure the safety and proper function of electrical systems within homes.

### **Commercial Electrical Installations**

Multimeters are crucial for ensuring compliance with safety standards in commercial electrical installations. By aiding in the testing and verification of [wiring](https://au.rs-online.com/web/c/cables-wires/), lighting systems, and other electrical equipment, they contribute to the reliable operation of electrical systems in commercial buildings.

### **Industrial Electrical Systems**

For the testing and maintenance of complex industrial electrical systems, multimeters are indispensable. Their ability to diagnose faults in motors, generators and control panels helps prevent downtime and ensures the safe operation of critical electrical infrastructure.

### **Automotive Industry**

Automotive technicians rely on multimeters as vital diagnostic tools. From testing battery voltage and checking charging systems to troubleshooting various electrical components, multimeters help ensure the proper function and safety of vehicle electrical systems.

## **How to Select the Right Multimeter**

Choosing the right multimeter depends on your specific needs and the type of electrical work you perform. If you primarily need basic functions like voltage, current and resistance, a standard digital multimeter will likely suffice. For more advanced measurements like capacitance or frequency, opt for a higher-end model. Make sure to factor in your work environment as well. A handheld multimeter is ideal for portability, while a benchtop multimeter offers greater accuracy for stationary use.

Ensure the multimeter has the necessary safety features, such as CAT ratings and overload protection, to ensure safe operation. Consider additional features like auto-ranging and data hold for added convenience. Finally, prioritise accuracy and resolution, opting for a multimeter that meets the precision requirements of your tasks.

## **Trusted Multimeter Manufacturer, Supplier and Distributor in Australia**

RS Australia is a leading distributor of high-quality multimeters, providing a comprehensive range of options for sale to meet diverse needs and applications. We source our multimeters from trusted brands renowned for their accuracy, reliability and innovation, including [Fluke](https://au.rs-online.com/web/c/test-measurement/multimeters-accessories/multimeters/?applied-dimensions=4294966576), [Keysight Technologies](https://au.rs-online.com/web/c/test-measurement/multimeters-accessories/multimeters/?applied-dimensions=4293780229) and our own [RS PRO](https://au.rs-online.com/web/content/m/rs-pro) line. 

Whether you're a professional electrician or an electronics engineer, RS Australia is your one-stop shop for all your multimeter needs, offering a range from basic models for simple electrical tasks, to advanced multimeters with specialised functions. Buy the perfect multimeter today — or explore associated tools like [multimeter leads](https://au.rs-online.com/web/c/test-measurement/multimeters-accessories/multimeter-leads/) and [electrical test leads](https://au.rs-online.com/web/c/test-measurement/test-leads-test-lead-kits/test-leads/) — to ensure the safety and efficiency of your electrical work.

## **Buy Multimeter from RS**

Browse our selection online, add your analogue or digital multimeter to your cart and proceed through our secure checkout. We offer various payment options for your convenience, with the ability to track your package upon your order confirmation. 

Additionally, enjoy fast delivery across all of Australia, with options to suit your timeframe and budget. For detailed information on our delivery services and prices, visit our [Delivery Information page](https://au.rs-online.com/web/content/support/all-articles/delivery) today.



Find the perfect multimeter for your needs. We offer a range of digital and analogue multimeters, including automotive multimeters and multimeter testers.

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Shop our range of Analogue Multimeters. Browse our latest Analogue Multimeters offers. Find out more today at RS.

Analogue Multimeters | RS

Shop our range of Digital Multimeters. Browse our latest Digital Multimeters offers. Find out more today at RS.

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Buy from our selection of Multimeters from Amprobe. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

Amprobe Multimeters | RS

Buy Chauvin Arnoux Multimeters. Browse our latest Chauvin Arnoux Multimeters offers. Fast and hassle free delivery.

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Buy from our selection of Multimeters from FLIR. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

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Buy from our selection of Multimeters from Keysight Technologies. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

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Buy from our selection of Multimeters from Kyoritsu. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

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Buy from our selection of Multimeters from Metrix. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

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Shop our range of Pocket Multimeters. Browse our latest Pocket Multimeters offers. Find out more today at RS.

Pocket Multimeters | RS

<p>Pocket Multimeters are handheld devices that can be kept in your pocket that are able to measure electrical values including voltage (volts), current (amps) and resistance (ohms) in electrical components and circuits. Pocket Multimeters are essential small measuring instruments for any engineers or technician's toolbox who need to take measurements, test or repair equipment in electrical or electronic industries. Pocket digital multimeters (DMM) are also popular for use within the home.</p><p>Pocket multimeters are extremely easy and convenient to carry around with you and are able to give you all the measurements you require. These battery powered devices are great for continuity and portability and usually have an LCD display where the measurement readouts can be viewed.</p><p>RS have a great range of high quality multimeters from leading brands such as Aim-TTi, Amprobe, Beha-Amprobe, BK Precision, Chauvin Arnoux, FLIR, Fluke, Gossen Metrawatt, Keysight Technologies, RS PRO and many more.</p><h2>What do multimeters do?</h2><p>Multimeters check the electrical resistance within a circuit. A digital pocket multimeter is a great tool for testing, diagnosing and troubleshooting electrical circuits, components and devices and are essential to electronic engineers and electricians</p><h2>Most common checks include:</h2><ul><li>AC voltage or DC voltage</li><li>AC current or DC current</li><li>Resistance</li><li>Continuity of electrical components</li><li>Temperature</li><li>Some advance models may measure frequency and have True RMS voltage and current readings</li></ul>

Shop our range of Bench Multimeters. Browse our latest Bench Multimeters offers. Find out more today at RS.

Bench Multimeters | RS

<p>Bench multimeters are an essential test and measurement instrument used by design engineers across the globe. These types of multimeters provide a range of measurement functions for electrical testing, offering excellent precision and accuracy. Whilst multimeters are available in a variety of styles such as digital multimeters (dmm) and handheld, benchtop multimeters are best suited for more advanced and sophisticated testing.</p><p>We offer a wide selection of exceptional bench multimeters from the top leading brands within the test and measurement sector including RS PRO, Fluke, Keithley, Keysight Technologies and many more, with calibration also available.</p><h2>What is the Difference Between a Bench Multimeter and a Handheld Multimeter?</h2><p>Whilst both types of multimeters can boast various measurement functions such as current, voltage, resistance and capacitance, they vary in usability in certain applications. Handheld multimeters are ideal for electricians on the go due to their small size and portability. In contrast, benchtop multimeters are best suited to a bench or rack for more heavy duty and intricate testing. Benchtop multimeters are also AC powered, meaning they require an electrical source of power, whereas handheld tend to be powered by batteries. For applications that require exceptional accuracy and precision, benchtop multimeters are far superior making them ideal for heavy duty testing.</p><h2>Bench Multimeter Visual Displays</h2><p>For certain applications it is essential to be able to visualize waveforms, present statistical analysis and display histograms. For applications that require these types of clear visualisations, benchtop multimeters are far superior. Among the many benefits of using a benchtop multimeter is the addition of clear visual displays, allowing for quick and efficient measurement in real time.</p>

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Bluetooth Multimeters | RS

<p>Bluetooth multimeters are perfect for electricians and design engineers on the go, allowing data to be transferred from your multimeter to your smartphone, tablet or device quickly and efficiently. Bluetooth multimeters are an excellent feature to consider when purchasing a handheld multimeter, eliminating the need to connect via USB at a later stage.</p><h2>How do Bluetooth Multimeters Work?</h2><p>Digital multimeters (dmm) that feature Bluetooth functionality work by connecting your multimeter to your smart phone or device via a specific app. Once connected, you can measure, visualise and log data in real time, enhancing electrical testing in a range of environments.</p>

Shop our range of Fluke Multimeters. Browse our latest Fluke Multimeters offers. Find out more today at RS.

Fluke Multimeters | RS

<p>Fluke multimeters are renowned for their high performance and accuracy in electrical testing, with options available including digital multimeters (DMM), bench multimeters and even handheld multimeters. Whether you are testing electrical equipment at home or the office, or out in the field troubleshooting heavy duty appliances, you will find a Fluke multimeter to suit your needs.</p><h2>What Functions Do Fluke Multimeters Measure?</h2><p>For many electricians and engineers, a variety of functions may need to be measured on the spot. Fluke multimeter testers offer a wide range of measurable functions, providing versatility and precision in one single unit. Across the Fluke multimeter range, you will find models that provide precise measurement of electrical functions including voltage (AC and DC), diode, resistance (ohms), current (amps), capacitance and much more.</p><h2>Where are Fluke Multimeters Used?</h2><p>Fluke are well established within the test and measurement industry, with tools and software on offer to help get the job done quickly and efficiently. Fluke multimeters are an essential piece of equipment suitable for a range of users including electricians, DIY enthusiasts, technicians.</p><h2>Are Fluke Multimeters True RMS?</h2><p>In addition to the wide range of functions Fluke multimeter testers can measure, certain models also feature true RMS, providing superior accuracy when measuring AC current.</p>

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