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A clamp meter is an electrical test tool that combines a basic digital multi meter with a current sensor. Clamps measure current such as AC current, AC and DC voltage, resistance, continuity, and, with some models, DC current, capacitance, temperature, frequency, and more.

Clamp meters are designed with a hinged jaw, this allows the user to clamp the jaws around a wire, cable, or other conductors at any point in an electrical system, then measure the current without disconnecting it. They are extremely popular due to safety reasons as they provide a non-contact method of measuring current, eliminating the need for direct contact with live wires. They identify issues when installations occur and are cost effective for ongoing tester, maintenance, and service requirements. You can find out more in our [clamp meters guide](/web/content/discovery/ideas-and-advice/clamp-meters-guide).

Our range of meters have been sourced from leading brands such as: Beha-Amprobe, Chauvin Arnoux, Fluke, FLIR, Keysight Technologies, Megger, RS PRO and many more.

### Why would you need a clamp meter?

Originally created as a single-purpose test tool, modern day meters offer more measurement functions, greater accuracy, and sometimes specialised measurement features, as well as the most basic functions of a digital multi meter, such as the ability to measure voltage, continuity, and resistance.

### Popular Clamp Meters
- AC Current Clamp Meters
- DC Current Clamp Meters
- AC/DC Clamp Meters
- Leakage Clamp Meters
- HVAC Clamp Meters
- Power Clamp Meters

### Who uses clamp meters?
- Industrial maintenance technicians
- Control technicians
- Electricians – in-house and contractors
- Facilities, building maintenance, and HVAC technicians
- Service organisations

### Why are clamp meters so popular?
- Safety: Clamp meters allow electricians to bypass the old-school method of cutting into a wire and inserting a meter's test leads into the circuit to take an inline current measurement. The jaws of a clamp meter do not need to touch a conductor during a measurement.
- Convenience: During measurement, it is not necessary to shut off the circuit carrying current—a large boost inefficiency.
- Service: Repair existing systems on an as-needed basis.
- Installation: Troubleshooting installation problems, perform final circuit tests and supervise apprentice electricians while installing electrical equipment.
- Maintenance: Perform scheduled and preventative maintenance and system troubleshooting.

### Applications
- Industrial equipment
- Industrial controls
- Electrical systems
- Commercial/industrial HVAC


Shop our range of Clamp Meters & Electrical Testers. Free Next Day Delivery. Browse our latest Clamp Meters offers.

Clamp Meters | Clamp Tester | RS

Clamp Meters

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DC Current Clamp Meters | RS

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

Amprobe Clamp Meters | RS Components

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

Extech Clamp Meters | RS

Buy Kyoritsu Clamp Meters. Browse our latest Kyoritsu Clamp Meters offers. Free Next Day Delivery.

Kyoritsu Clamp Meters | RS

Buy DC Clamp Meters. Browse our latest DC Clamp Meters offers. Free Next Day Delivery.

DC Clamp Meters | RS

<p>DC clamp meters are hand-held devices also known as DC clamp testers. They are designed to measure the direct current (DC) flow in a conductor. Using a hall effect sensor, they detect the conductor's magnetic field to produce voltage readings. Our range of dc clamp meters has been sourced from leading brands such as; Fluke and Chauvin Arnoux and many more. </p><h2>How to use DC clamp meters? </h2><p>Select the measuring range required, press the trigger to open the clamp meter jaws, clamp around the conductor you want to test, and the device will produce the measurement readings. Its important to note that for accurate readings only clamp one conductor at a time, calibrate the zero settings to eliminate magnetic pickup readings from electrical devices and electronic equipment.</p><h2>Popular features & benefits</h2><p>Modern DC clamp meters include;</p><ul><li>Electrical probes</li><li>Test leads</li><li>Bluetooth connectivity</li></ul><h2>Safety</h2><p>Operational safety is guaranteed, you dont need to break the circuit to conduct measurements with a clamp meter, so you can perform the tasks of measuring the current of an insulated conductor or low and high voltage.</p><h2>Applications</h2><p>DC clamp meters are ideal for both residential and commercial electricians for testing and installation applications</p><h2>Why should you choose RS for DC Clamp Meters? </h2><p>We put customer satisfaction at the forefront of our business, we've been established since 1936 and have unrivalled expertise when it comes to providing customers with DC Clamp Meters. We support engineers all over the world, distributing products to customers in over 160 countries.</p>

Buy Megger Clamp Meters. Browse our latest Megger Clamp Meters offer. Free Next Day Delivery!

Megger Clamp Meters | RS

<p>When it comes to electrical measurements, accuracy and reliability are paramount. That's where Megger Clamp Meters shine. These versatile tools are designed to simplify your electrical testing and maintenance tasks, offering unparalleled performance in a compact and user-friendly package.</p><h2>Why choose Megger?</h2><ul><li><strong>Precision and Accuracy:</strong> Megger Clamp Meters provide highly accurate measurements, ensuring that you can trust the data you collect. No more second-guessing your readings.</li><li><strong>Versatility:</strong> With the ability to measure both AC and DC currents, voltage, resistance, and more, Megger Clamp Meters are the go-to choice for a wide range of electrical applications.</li><li><strong>Safety First:</strong> Safety is non-negotiable when dealing with electricity. Megger ensures their meters meet the highest safety standards, giving you peace of mind while working.</li><li><strong>Durability:</strong> Built to withstand the harshest of environments, Megger Clamp Meters are rugged and reliable, ready to accompany you on any job.</li><li><strong>Ease of Use:</strong> Designed with the user in mind, these meters offer intuitive interfaces and ergonomic grips, making your work more efficient.</li></ul><p>Whether you're an electrician, engineer, or a DIY enthusiast, Megger Clamp Meters are the tools you can trust for accurate measurements in the field. Get the job done right, every time, with Megger.</p>

Buy Fluke Clamp Meters. Browse our latest Fluke Clamp Meter offers.

Clamp Meters | Fluke | RS

<p>A clamp meter is an electrical test tool that combines a basic digital multi meter with a current sensor. Clamps measure current such as AC current, AC and DC voltage, resistance, continuity, and, with some models, DC current, capacitance, temperature, frequency, and more. Clamp meters are designed with a hinged jaw, this allows the user to clamp the jaws around a wire, cable, or other conductors at any point in an electrical system, then measure the current without disconnecting it. They are extremely popular due to safety reasons, they are convenient to use, they identify issues when installations occur and are cost effective for ongoing tester, maintenance and service requirements.</p><h2>Why would you need a clamp meter?</h2><p>Originally created as a single-purpose test tool, modern day meters offer more measurement functions, greater accuracy, and sometimes specialised measurement features, as well as the most basic functions of a digital multi meter, such as the ability to measure voltage, continuity, and resistance.</p><h2>Popular Clamp Meters</h2><ul><li>AC Current</li><li>DC Current</li><li>AC-DC</li><li>Leakage</li><li>HVAC</li><li>Power</li></ul><h2>Why are clamp meters so popular?</h2><ul><li>Safety: Clamp meters allow electricians to bypass the old-school method of cutting into a wire and inserting a meter's test leads into the circuit to take an inline current measurement. The jaws of a clamp meter do not need to touch a conductor during a measurement.</li><li>Convenience: During measurement, it is not necessary to shut off the circuit carrying current&mdash;a large boost inefficiency.</li><li>Service: Repair existing systems on an as-needed basis.</li><li>Installation: Troubleshooting installation problems, perform final circuit tests and supervise apprentice electricians while installing electrical equipment.</li><li>Maintenance: Perform scheduled and preventative maintenance and system troubleshooting.</li></ul><h2>What are the advantages of Fluke Clamp Meters?</h2><p>Fluke clamp meters provide a range of benefits for electrical testing. They are highly accurate and offer an array of features that make them more reliable than other types of multimeters. The readings from a clamp meter are not affected by varying temperatures or high-frequency signals, allowing users to get an accurate reading even in different environments. Additionally, they allow users to measure current without having to break into circuits and thus reduce risk during testing by eliminating the need for protective gear.</p><p>Other advantages include convenience as most models feature auto power off when idle and low battery indicator as well as backlit, digital displays which make it easier to read results under any lighting condition. Furthermore, Fluke clamp meters come with safety ratings up to CAT IV 600V/CATIII 1000 V making them suitable for use in industrial settings.</p>

Explore Earth Leakage Clamp Meters at RS. Accurate, safe, and easy to use earth leakage testing for electricians. Shop now!

Earth Leakage Clamp Meters | RS

<p>Earth leakage clamp meters are specialised tools designed to measure leakage current, typically milliamps (mA) to hundreds of amps (A), which is the unwanted flow of electricity away from the intended circuit and back to the earth. This can happen due to faulty wiring, damaged insulation, or appliance malfunctions.</p><p>These types of clamp meters come in various sizes and jaw openings to accommodate different cable thicknesses. Some models have flexible jaws for improved accessibility in tight spaces and offer True RMS measurement, which accurately captures the true effective value of distorted waveforms often present in modern electrical systems.</p><p>Many earth leakage clamp meters also measure other electrical parameters like voltage, resistance, and frequency, making them versatile tools for various electrical testing needs.</p><h2>Why would you use an Earth Leakage Clamp Meter?</h2><ul><li>Unlike traditional multimeters that require breaking the circuit, earth leakage clamp meters measure current non-invasively by simply clamping around the conductor, minimising the risk of shock or arc flash.</li><li>Troubleshooting electrical issues becomes quicker and easier as you do not need to disconnect wires or disrupt circuit operation.</li><li>They provide precise readings of leakage current, even at very low levels, enabling early detection of potential problems before they lead to serious failures.</li><li>Regular monitoring of leakage current helps ensures the safety and proper functioning of electrical systems, reducing the risk of fires and equipment damage.</li></ul>

Explore precision and reliability at RS with Chauvin Arnoux clamp meters. Accurate measurements for electrical professionals. Enhance your work efficiency now!

Arnoux Clamp Meters | RS Components

<p>Chauvin Arnoux clamp meters are specialised measuring tools used by electricians and technicians to measure electrical current without breaking the circuit. They work by clamping around the conductor, creating a magnetic field that induces a current in the meter's coil. This current is then proportional to the current flowing in the conductor, allowing the meter to display the reading.</p><h2>Why would you use a Chauvin Arnoux clamp meter:</h2><ul><li>Safety - Clamps eliminate the need to break into a circuit, reducing the risk of shock or arc flash.</li><li>Convenience - you do not need to disconnect or strip wires, making it faster and easier to take measurements.</li><li>Accuracy - Clamp meters can measure AC and DC current, as well as other electrical parameters like voltage, resistance, and frequency, with high accuracy.</li><li>Non-invasive - they can be used on live circuits without affecting their operation.</li></ul><p>Chauvin Arnoux offers a wide range of clamp meters, each with its own features and capabilities. Some of the most popular models include:</p><ul><li>F201 - A compact and affordable clamp meter for basic electrical measurements.</li><li>F403 - A more advanced clamp meter with a larger jaw opening and True RMS measurement for distorted waveforms.</li><li>F606 - A high-current clamp meter for measuring up to 2000A AC/DC.</li><li>F65 - A leakage current clamp meter for measuring small currents, such as those associated with ground faults.</li></ul>

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GMC-I Prosys Clamp Meters | RS

<p>GMC-I Prosys clamp meters are known for their high accuracy, robust build quality, and a variety of features catering to different needs and budgets. Clamp meters are electrical testing tools used to measure current and voltage without breaking the circuit. Some models offer more advanced functions like temperature, frequency and capacitance measurement as well as data logging and Bluetooth connectivity. They are perfect for professionals who need reliable and accurate electrical measurements in demanding environments.</p><h2>Key Features include:</h2><ul><li>AC/DC current measurement</li><li>True RMS measurement - accurately measures distorted waveforms for reliable results.</li><li>Voltage measurement</li><li>Resistance and continuity testing - for basic circuit troubleshooting.</li><li>Data hold and backlight - convenient for working in dimly lit environments.</li><li>Safety compliance - most models meet CAT III and/or CAT IV safety standards for use on various voltage levels.</li></ul>

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Keysight Clamp Meters | RS

<p>Keysight clamp meters are specialised tools for measuring electrical current without breaking the circuit. Keysight offers various clamp meters to suit different needs and budgets, from basic current/voltage options to advanced models with extensive features.</p><h2>Key Features include:</h2><ul><li>Accuracy and versatility - most models offer True RMS measurement for distorted waveforms, along with additional functions like voltage, resistance, frequency, and even temperature depending on the model.</li><li>Non-intrusive measuring - clamp around a conductor, and the meter picks up the magnetic field generated by the current flow, translating it into a reading. No need to break circuits, reducing risk and saving time.</li><li>Keysight clamp meters adhere to strict safety standards and offer various voltage ratings (CAT III and CAT IV) for working with different voltage levels.</li><li>Intuitive interfaces and easy-to-read displays make them accessible for both seasoned technicians and beginners.</li><li>Built to withstand demanding work environments.</li><li>Data logging and connectivity - some models let you capture, analyse and share data for future reference.</li></ul><h2>Who uses Keysight clamp meters:</h2><ul><li>Electricians - for troubleshooting circuits, verifying installations, and diagnosing electrical problems.</li><li>Technicians - testing equipment, analysing energy consumption, and performing preventative maintenance.</li><li>Inspectors - to ensure electrical safety and code compliance in buildings and installations.</li></ul>

Shop for Klein clamp meters at RS for reliable electrical measurements. Trusted brand, quality tools. Enhance accuracy in your work.

Klein Clamp Meters | RS

<p>Klein Tools offers a robust range of clamp meters designed for electricians and professionals. Their dedication to quality and durability has earned them a loyal following among those who demand the best when it comes to measuring electrical parameters.</p><h2>Klein Tools clamp meters features:</h2><ul><li>Built to Last - from drop-proof and dustproof designs to rugged construction, Klein Tools clamp meters are built to withstand the toughest jobsite conditions.</li><li>CAT III and CAT IV safety ratings, ensuring compatibility with the specific voltage levels you'll be working with.</li><li>True RMS measurement allows you to tackle even distorted waveforms with confidence, guaranteeing reliable and precise readings.</li><li>Non-Intrusive Measurements - clamp around conductors to measure current without breaking the circuit, saving you time and reducing the risk of shock or arc flash.</li><li>From basic current and voltage readings to advanced models with additional functions like resistance, frequency, and temperature, Klein Tools clamp meters adapt to your specific needs.</li><li>Clear backlit displays and user-friendly interfaces make operation a breeze, even for less experienced users.</li></ul>

Browse Martindale clamp meters at RS - precision in electrical measurements. Trusted tools for professionals. Explore now for top performance!

Martindale Clamp Meters | RS

<p>Martindale Clamp Meters are electrical testing instruments designed to measure current without breaking the circuit. They achieve this by using a jaw that clamps around the conductor, creating a magnetic field proportional to the current flowing through it. This magnetic field is then converted into an electrical signal that the meter can display.</p><p>Martindale is a well-respected brand of clamp meters, known for their quality, durability, and accuracy. They offer a wide range of clamp meters to meet the needs of a variety of users.</p><h2>Who uses clamp meters?</h2><p>Clamp meters are essential tools for electricians, technicians, and anyone who needs to measure safely and accurately current in a variety of applications. Some of the most common uses for clamp meters include:</p><ul><li>Troubleshooting electrical circuits &ndash; to identify overloaded circuits, faulty components, and ground faults.</li><li>Verifying proper installation of electrical equipment</li><li>Performing preventive maintenance - used to detect potential problems with electrical equipment before they become serious.</li><li>Measuring energy consumption</li></ul><h2>Types of clamp meters include:</h2><ul><li>AC current clamp meters - designed to measure alternating current (AC).</li><li>DC clamp meters - measure direct current (DC).</li><li>True RMS clamp meters - can accurately measure both AC and DC currents, even if the waveform is distorted.</li><li>Leakage clamp meters &ndash; can measure small leakage currents, such as those that can occur in ground fault circuits.</li></ul><p>When choosing a Martindale clamp meter, it is important to consider the following factors:</p><ul><li>The type of current you need to measure (AC, DC, or both)</li><li>The maximum current you need to measure</li><li>The accuracy you need</li><li>The features you need, such as True RMS measurement, peak hold, and data logging</li></ul>

Buy Megger Earth Leakage Clamp Meters at RS - Ensure electrical safety with precision measurements. Enhance safety, measure with confidence.

Megger Earth Leakage Clamp Meters | RS

<p>Megger Earth Leakage Clamp Meters are specialised tools designed to measure earth leakage current accurately and safely in electrical circuits.</p><p>Earth leakage current, also known as ground fault current, is a small amount of electrical current that unintentionally flows to the ground. This can happen due to faulty insulation, damaged wiring, or other problems with the electrical system. While small amounts of earth leakage current are normal, excessive leakage can be dangerous and can trip Residual Current Devices (RCDs), which are safety devices designed to protect against electric shock.</p><p>Megger Earth Leakage Clamp Meters are known for their high accuracy and resolution, even for very small currents. Many Megger models offer True RMS measurement, which means they can accurately measure the effective value of distorted waveforms. This is important because many electrical appliances generate non-sinusoidal waveforms that can be inaccurate when measured with standard averaging methods. Some advances Megger Earth Leakage Clamp Meters also offer additional features such as data logging, peak hold, and auto ranging, which can further enhance their versatility and ease of use.</p>

Buy Fluke True RMS Clamp Meters at RS - Precision and accuracy for electrical measurements. Elevate your performance, measure with confidence.

Fluke True RMS Clamp Meters | RS

<p>Fluke True RMS clamp meters are electrical testing instruments designed for safely and accurately measuring current, voltage, resistance, and other electrical parameters without breaking the circuit. They leverage True RMS technology, ensuring accurate readings even for distorted waveforms, often prevalent in modern electrical equipment.</p><p>True RMS measurement is crucial for accurately measuring AC currents, especially those generated by inverters, variable speed drives, and switching power supplies, which often have non-sinusoidal waveforms.</p><p>Built to withstand harsh environments, Fluke clamp meters are rugged and come with safety features like CAT III and CAT IV ratings for high-voltage environments, protecting the user against potential electrical hazards.</p><h2>Popular Fluke True RMS clamp meter models include:</h2><ul><li>Fluke 323</li><li>Fluke 325</li><li>Fluke 373</li><li>Fluke 376</li></ul><p>Choosing the right Fluke True RMS clamp meter depends on your specific needs and budget. When choosing a Fluke rms clamp meter, it is important to consider factors such as the maximum current you need to measure, desired accuracy, and the type of measurements you need. &nbsp;Also there may be other additional features such as data logging and peak hold which you might find valuable for your tasks at hand.</p>

Browse Fluke Leakage Clamp Meters at RS - Ensure electrical safety with precision measurements. Enhance safety, measure confidently. Explore now!

Fluke Leakage Clamp Meters | RS

<p>A Fluke leakage clamp meter is a specialised tool used by electricians and technicians to measure leakage current in electrical systems. Leakage current is the small amount of current that flows unintentionally from a conductor to the ground or another conductor. It can be caused by damaged insulation, poor connections, or faulty equipment.</p><p>Fluke leakage clamp meters come in a variety of models, with different features and capabilities. Some models also have features such as data logging, Bluetooth connectivity, and true RMS measurement and are designed to be accurate and easy to use. They typically have a clamp that can be opened and closed around a conductor. When the clamp is closed, the magnetic field produced by the current flowing through the conductor induces a voltage in the clamp, which is then measured by the meter.</p><h2>Why would you use a Fluke Leakage clamp meter?</h2><p>Leakage current can be a fire hazard, and it can also cause equipment to malfunction. Measuring leakage current is therefore an important part of electrical safety testing and troubleshooting.</p><p>If you are an electrician or technician who works with electrical systems, a fluke leakage clamp meter is a valuable tool to have in your toolbox.</p>

Browse our range of Hall Effect Clamp Meters at RS - Accurate electrical measurements with cutting-edge technology. Elevate precision and efficiency.

Hall Effect Clamp Meters | RS

<p>Hall effect clamp meters primarily measure current, both AC and DC, passing through a conductor without interrupting the circuit. This is their main advantage over traditional multimeters that require breaking the circuit. Many models also come with features like data logging, true RMS measurement, and connectivity options.</p><h2>Hall effect clamp meters can also be referred to as:</h2><ul><li>AC/DC clamp meters</li><li>Amp clamps - this name focuses on their primary function of measuring current, often abbreviated as amp.</li><li>Tong testers -refers to the clamp-like jaws of the meter that "tong" around the conductor.</li><li>Hall effect ammeters - a more technical term emphasising the type of sensor used.</li></ul><p>Depending on the model, additional measurements may include:</p><ul><li>Voltage - measure AC and/or DC voltage by connecting test leads to dedicated input jacks.</li><li>Resistance</li><li>Frequency</li><li>Leakage current - measure small leakage currents for safety testing.</li><li>Power - calculate and display power based on measured current and voltage.</li></ul><p>Overall hall effect clamp meters offer a safe, convenient, and versatile way to measure current in electrical systems. Their non-intrusive nature and wide range of capabilities make them an essential tool for anyone working with electricity.</p>

Browse 1000A AC/DC Clamp Meters at RS - High-capacity precision for electrical measurements. Trust in accurate readings for both AC and DC currents.

1000A AC/DC Clamp Meters | RS

<p>A 1000 amp AC/DC clamp meter is a tool used to measure high-current electrical circuits, both alternating current (AC) and direct current (DC), without breaking the circuit. This makes them incredibly valuable for electricians, technicians, and anyone working with heavy-duty electrical systems.</p>

Explore 1000V AC/DC Clamp Meters at RS - Precision meets power for accurate electrical measurements. Trust in versatility for both AC and DC currents.

1000V AC/DC Clamp Meters | RS

<p>A 1000V AC/DC clamp meter is a specialised tool used to measure high-voltage electrical circuits, both alternating current (AC) and direct current (DC), without making physical contact with the conductor. This makes them incredibly valuable for electricians, technicians, and anyone working with high-power or complex electrical systems.</p>

Browse Bluetooth Clamp Meters at RS - Wireless precision in electrical measurements. Seamlessly connect for accurate data. Elevate efficiency with Bluetooth technology.

Bluetooth Clamp Meters | RS

<p>A Bluetooth clamp meter is a device that combines the functionality of a traditional clamp meter with the wireless connectivity of Bluetooth technology. This allows you to transmit your measurements directly to a smartphone, tablet, or computer for further analysis, data logging, and report generation.</p><h2>Bluetooth clamp meters features include:</h2><ul><li>Wireless data transfer enhances convenience and saves time.</li><li>Remote reading &ndash; lets you view measurements on a larger screen, away from the potentially hazardous or hard-to-reach area where the clamp is attached.</li><li>Data analysis and logging &ndash; you can analyse trends, store readings, and generate reports easily thanks to dedicated apps or software compatible with your smart device.</li><li>Improved workflow - streamline your work process by eliminating timely note-taking and simplifying data sharing.</li></ul>

Explore AC Current Clamp Meters at RS - Accurate measurements for electrical tasks. Trust in precision and reliability. Enhance efficiency with top-quality tools. 

AC Current Clamp Meters | RS

<p>An AC current clamp meter measures alternating current (AC) flowing through a conductor without interrupting the circuit. These clamp meters offer high accuracy and resolution for reliable measurements making them incredibly valuable for electricians, technicians, and anyone working with AC electrical systems.</p><h2>How do AC current clamps work?</h2><ul><li>The clamp consists of two jaws that open and close around the conductor.</li><li>As the jaws are closed, the magnetic field generated by the AC current flowing through the conductor induces a voltage in the clamp.</li><li>This voltage is then measured by the meter and translated into an AC current reading that is displayed on the screen.</li></ul><h2>Benefits of using an AC current clamp meter:</h2><ul><li>Non-intrusive measurement - no need to disconnect wires, simplifying testing and minimising the risk of electrical shock.</li><li>Safety - allows measurements on live circuits without interrupting operation.</li><li>Versatility - can measure a wide range of AC currents, from small appliance currents to high-amp motor currents.</li><li>Portability - compact and lightweight</li></ul><h2>Features of AC current clamp meters:</h2><ul><li>True RMS - ensures accurate readings even for distorted waveforms found in some equipment and appliances.</li><li>Jaw size &ndash; important to choose a clamp with jaws large enough to fit around the thickest cables you'll encounter.</li><li>Additional functions - some models may include features like voltage, resistance, and temperature measurement.</li></ul>

Explore Harmonic Clamp Meters at RS - Accurate measurements for harmonic analysis. Trust in precision for electrical tasks. Elevate efficiency with top-quality tools. 

Harmonic Clamp Meters | RS

<p>A harmonic clamp meter is a specialised tool that goes beyond measuring just the fundamental current flowing through a conductor. It delves deeper by analysing the presence and levels of harmonics, which are distorted waveforms within the main AC signal.</p>

Buy Open Jaw Clamp Meters at RS - Streamline electrical measurements with ease. Trust in precision and efficiency for versatile tasks.

Open Jaw Clamp Meters | RS

<p>Open jaw clamp meters offer a distinct advantage over traditional clamp meters with closed jaws as they don't require you to completely encircle the conductor you're trying to measure.</p><h2>Features of open jaw clamp meters:</h2><ul><li>No need to disconnect wires &ndash; they can measure current without physical contact and avoids disrupting ongoing electrical operation.</li><li>Access tight spaces - they can easily reach conductors in cramped or awkward locations where full encirclement with a closed jaw meter is impossible.</li><li>Measure larger conductors - can accommodate thicker cables that wouldn't fit inside the jaws of a standard clamp meter.</li></ul><p>Overall, open jaw clamp meters offer a valuable advantage in situations where accessibility and convenience are paramount. They are well-suited for electrical technicians, maintenance personnel, and anyone who needs to quickly and safely measure current in difficult-to-reach or live circuits.</p>

Explore Wireless Clamp Meters - Effortless electrical measurements with seamless connectivity. Trust in precision and convenience. Elevate efficiency with wireless technology.

Wireless Clamp Meters | RS

<p>Wireless clamp meters, also known as wireless current clamps, are a type of measuring tool used to measure electrical current without needing to physically touch the conductor. This makes them ideal for measuring current in hard-to-reach or dangerous locations, such as in live electrical panels or on large cables.</p><p>Wireless clamp meters typically connect to a mobile device or tablet via Bluetooth, allowing you to view the measurements remotely. This can be helpful for safety reasons, as it allows you to stay away from the live conductor while taking measurements. Additionally, it can make it easier to record and share your measurements.</p><h2>Benefits of using wireless clamp meters include:</h2><ul><li>Versatility &ndash; can measure a variety of electrical parameters, such as AC and DC current, voltage, and resistance.</li><li>Data logging - some models can be used to log data over time, which can be helpful for troubleshooting or monitoring electrical systems.</li><li>Safety - you can take measurements from a safe distance, away from live conductors.</li><li>Portability - small and lightweight, making them easy to carry around.</li></ul>

Browse True RMS Clamp Meters - Unmatched accuracy for electrical measurements. Trust in precision and reliability. Elevate efficiency with top-quality tools.

True RMS Clamp Meters | RS

<p>A true RMS clamp meter, also known as a TRMS clamp meter, is a type of clamp meter that delivers highly accurate readings of AC current, even when dealing with complex or distorted waveforms. This stands in contrast to average responding clamp meters, which are less accurate when measuring non-sinusoidal AC currents.</p><h2>Who uses True RMS Clamp Meters?</h2><ul><li>Electricians - for various tasks like troubleshooting circuits, identifying overloaded conductors, and verifying motor currents.</li><li>HVAC technicians - for measuring current draw in motors and compressors for equipment troubleshooting and maintenance.</li><li>Industrial maintenance workers - to monitor current flow in machinery and identify potential issues before they cause downtime.</li><li>Electronics hobbyists - anyone working with AC circuits with complex waveforms, like those with dimmers, SCRs, or switching power supplies, can benefit from the accuracy of a TRMS clamp meter.</li></ul><p>Depending on the model, they may offer features like:</p><ul><li>Measuring AC/DC voltage alongside current.</li><li>Resistance measurement - checking continuity and resistance values.</li><li>Determining the frequency of AC signals.</li><li>Data logging - recording measurements for later analysis.</li><li>Display options - Backlit display, data hold function, etc.</li></ul>

Buy Clamp Meters with Temperature for HVAC - accurate electrical measurements with added temperature monitoring. Trust in precision and versatility.

Clamp Meters with Temperature | HVAC Clamp Meters| RS

<p>A clamp meter with temperature is a tool designed for both electrical and temperature measurements. It combines the functionality of a standard clamp meter with the ability to measure temperature using a probe. This makes it particularly valuable for HVAC applications, as it allows technicians to diagnose and troubleshoot issues related to both electrical components and temperature regulation within heating and cooling systems.</p><h2>Temperature Measurements:</h2><ul><li>Surface temperature - use the probe to measure the temperature of pipes, ducts, heat exchangers, and other surfaces, verifying proper heat transfer and identifying potential insulation issues.</li><li>Air temperature - measure air temperature at various points in the system to assess airflow distribution and system performance.</li><li>Differential temperature - Compare temperatures between different points in the system to diagnose blockages, leaks, or other issues affecting heat transfer.</li></ul><h2>Benefits for HVAC applications:</h2><ul><li>Multifunctionality - combines multiple tools in one, improving efficiency and reducing the need to carry separate instruments.</li><li>Non-invasive measurements - measure current without interrupting circuits and measure temperature without touching hot surfaces, improving safety.</li><li>Fast and accurate troubleshooting - quickly identify electrical and temperature-related issues</li></ul><p>Some models offer additional features like:</p><ul><li>True RMS measurement</li><li>Data logging</li><li>Bluetooth connectivity</li></ul><p>Overall, a clamp meter with temperature is a valuable tool for HVAC technicians, offering efficient, safe, and accurate measurements for diagnosing and troubleshooting electrical and temperature-related issues within heating and cooling systems.</p>

Explore Testo clamp meters at RS for accurate electrical measurements. Elevate precision with trusted technology. Enhance efficiency in every task.

Testo Clamp Meters | RS

<p>Testo clamp meters electrical testing instruments designed to safely and accurately measure current without breaking the circuit. They do this using a jaw that clamps around the conductor, detecting the magnetic field generated by the flowing current and converting it into an electrical signal for display.</p><p>Clamp meters are considered essential tools for electricians, technicians, and anyone who needs to work with electrical systems. They come in various models suited for different needs.</p><h2>Popular Testo clamp meter models include:</h2><ul><li>Testo 770-1 &ndash; ideal for everyday tasks</li><li>Testo 770-3 &ndash; measures AC/DC current and features Bluetooth connectivity for remote viewing, data logging, and report creation via the free Testo Smart App.</li></ul><p>Choosing the right Testo clamp meter depends on your specific needs and budget. Consider factors like the type of current you need to measure (AC, DC, or both), the maximum current range, the desired accuracy, and any additional features you might find valuable.</p>

Explore Small Clamp Meters at RS - Compact, accurate, and reliable. Streamline electrical measurements with ease. Discover precision in a compact size.

Small Clamp Meters | Mini Clamp Meters |RS

<p>Small clamp meters or pocket clamp meters, are a valuable category within the clamp meter market. They're designed for situations where access is limited, or bulky tools are simply impractical. They are ideal for tight panels, intricate wiring within appliances, and delicate automotive systems.</p><h2>What size is considered small?</h2><p>There's no strict definition, but generally, small clamp meters have jaw openings of 25mm or less. This allows them to easily fit around thin wires, bundled conductors, or even single leads. Compared to standard clamp meters with openings typically ranging from 30mm to 50mm, the size difference can be significant.</p><h2>Benefits of small clamp meters:</h2><ul><li>Accessibility &ndash; they can reach tight spaces and work around delicate components with ease.</li><li>Portability - compact and lightweight, perfect for carrying in tool pouches or pockets.</li><li>Manageability - often simpler to hold and operate with one hand.</li><li>Precision &ndash; can cater to lower current ranges, making them ideal for sensitive measurements.</li></ul>

Buy FLIR clamp meters at RS for precision in electrical measurements. Trust in advanced technology for accurate readings. Elevate your efficiency today!

FLIR Clamp Meters | RS

FLIR clamp meters combine the power of traditional clamp meters with cutting-edge thermal imaging technology, giving you a whole new perspective on electrical troubleshooting and analysis.<h2>What is a clamp meter used for?</h2>A clamp meter, also commonly referred to as a current clamp or a clamp-on ammeter, measures the electrical current without the hassle of disconnecting circuits or wires. A FLIR clamp meter can be used by technicians and electricians to measure the direct current (DC) and alternating current (AC) efficiently. Whether you need to check for electrical faults, troubleshoot electrical systems, or simply assess the performance of various electrical components, then a FLIR clamp meter has got you covered.<h2>Why should you use a FLIR Clamp Meter?</h2><ul><li>Some models like the CM274 feature Infrared Guided Measurement (IGM) – lets you visualise hot spots and overloaded circuits with the built in integrated thermal imaging sensor.</li><li>Preventative Maintenance - identify potential issues before they become failures, avoiding costly downtime and repairs.</li><li>Enhanced Safety - detect dangerous overheating conditions from a safe distance, minimising the risk of shock or arc flash.</li></ul><p>FLIR clamp meters offer a range of advanced features that go beyond just thermal vision:</p><ul><li>True RMS measurement - accurately measure distorted waveforms for reliable results. </li><li>LoZ and Smart Diode - troubleshoot grounding issues and leakage currents with ease. </li><li>Rugged Design - built to withstand harsh environments and demanding workloads. </li><li>Large Backlit Display - read measurements clearly in any lighting conditions. </li><li>Data Logging and Connectivity - transfer and analyse data for further investigation and reporting.</li></ul><h2>Applications</h2>FLIR clamp meters can be used in a vast range of industries and applications, including:<ul><li>Automotive diagnostics</li><li>Renewable energy systems</li><li>Electrical troubleshooting</li><li>Electrical load monitoring</li><li>Electrical maintenance</li> <li>Heating, Ventilation, and Air Conditioning (HVAC) systems</li><li>Fire safety inspections</li><li>Industrial equipment maintenance</li><li>Appliance testing and maintenance</li></ul>

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