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An ohmmeter is a meter used in the measurement of electrical resistance and continuity of an electrical circuit and components and is available in a range of sizes, voltages and types, each with varying levels of accuracy. Ohmmeters (or ohm meters) are available in three main variations including micro-ohmmeter (for measuring low resistance), standard ohmmeters for general purpose and meg-ohmmeter (for measuring high resistance), all of which measure electrical resistance in ohms. There are various types of meters available with different sensitivity levels which include micro, mega and milliohm meters. You can find out more in our [ohmmeters guide](/web/content/discovery/ideas-and-advice/ohmmeters-guide).

### Typical Applications for Ohmmeters

Ohmmeters are used in a wide range of applications where the measurement of electrical resistance is required. Ohmmeters are commonly used in the following areas:Laboratory and Research EnvironmentsProductionHousehold Troubleshooting

### How does an Ohmmeter work?

Ohmmeters work by passing a small current through a sample, allowing the instrument to measure the voltage drop and how much an object resists allowing the current to flow through, highlighting the resistance in ohms. It's important when using an Ohmmeter to sustain accurate measurements, this is done through calibration to UKAS standard or RS offers an in-house calibration service to RSCAL service.

### Why choose RS for Ohmmeters?

RS have a large range of Ohmmeters from leading brands such as Megger, Chauvin Arnoux and from our very own brand RS PRO. Our wide range of products have been selected to meet high industry standards, so you are ensured reliable and robust solutions. RS has on hand technical advisors to offer advice on specific requests and offering our in-house calibration service.



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Ohmmeters | Low Resistance Ohmmeters | RS

Ohmmeters

Megger DLRO10X Handheld Ohmmeter, 2000 Ω Max, 100nΩ Resolution,...

Extech 380560 Ohm Meter, 20 kΩ Max, Low Resistance

Extech 380560-NIST Ohm Meter, 20 kΩ Max, Low Resistance

Megger DLRO10HD Handheld Ohmmeter, 2500 μΩ Max, 100nΩ Resolution,...

Extech 380460 Ohm Meter, 2000 Mega Ohm Max, Low Resistance

Extech 380460-NIST Ohm Meter, 2000 Mega Ohm Max, Low Resistance

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Low Resistance Ohmmeters | RS

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Megger Ohmmeters | RS

<p>Introducing Megger Ohmmeters – your indispensable tool for accurate resistance measurements in electrical systems. Crafted with cutting-edge technology, Megger Ohmmeters deliver unparalleled reliability, ensuring precise readings for a myriad of applications. Trust in the proficiency of Megger instruments to safeguard your electrical systems with dependable resistance measurements. Upgrade to Megger Ohmmeters for unrivalled precision in every test.</p>

Megger Ohmmeters

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