Ohmmeters

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.

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 Environments
  • Production
  • Household 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 Components offers an in-house calibration service to RSCAL service.

Why choose RS Components for Ohmmeters?

RS Components 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 Components has on hand technical advisors to offer advice on specific requests and offering our in-house calibration service.


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Viewing 1 - 20 of 36 products
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Description Price Maximum Resistance Measurement Resistance Measurement Resolution Measurement Type Battery Life Calibrated Battery Type Power Source Handheld Weight Height Length Maximum Accuracy Maximum Operating Temperature Minimum Accuracy
RS Stock No. 124-0940
BrandRS PRO
£160.68
Each
Units
20000 Ω 100µΩ 4 Wire - - - Battery Yes 700g 160mm 100mm ±0.3 % +1 Digit - -
RS Stock No. 124-0941
BrandRS PRO
£226.68
Each
Units
20000 Ω 100µΩ 4 Wire - RSCAL - Battery Yes 700g 160mm 100mm ±0.3 % +1 Digit - -
RS Stock No. 122-5158
BrandRS PRO
£442.00
Each
Units
5000 μΩ 1µΩ 4 Wire - - - Mains Yes 4kg 283mm 223mm +0.2 % +399.9°C 0.05 %
RS Stock No. 122-5156
BrandRS PRO
£752.00
Each
Units
5000 μΩ 1µΩ 4 Wire - - - Mains Yes 4kg 283mm 223mm +0.2 % +399.9°C 0.05 %
RS Stock No. 122-5157
BrandRS PRO
£595.00
Each
Units
5000 Ω 1µΩ - - - - - - 3kg 102mm 283mm - - -
RS Stock No. 180-4811
BrandRS PRO
£1,997.00
Each
Units
32000 Ω 100nΩ 4 Wire - - 80 V Mains - 2.8kg 107mm 264mm 0.5 % - -
RS Stock No. 180-4810
BrandRS PRO
£2,371.49
Each
Units
32000 Ω 100nΩ 4 Wire - - 300 V Mains - 2.8kg 107mm 264mm 0.5 % - -
RS Stock No. 612-108
Mfr. Part No.M210
BrandRhopoint
£426.50
Each
Units
200 Ω 100µΩ 4 Wire - RSCAL PP3 Battery Yes 510g 150mm 80mm +0.1 % +35°C ±0.1 %
RS Stock No. 611-953
Mfr. Part No.M210
BrandRhopoint
£360.50
Each
Units
200 Ω 100µΩ 4 Wire - - PP3 Battery Yes 510g 150mm 80mm +0.1 % +35°C ±0.1 %
RS Stock No. 523-392
Mfr. Part No.P01143200
£2,178.70
Each
Units
399 Ω 1µΩ 4 Wire - - Rechargeable NiMH Battery - 5kg 280mm 273mm +0.25% + 2 digits - ±0.25% + 2 digits
RS Stock No. 911-9658
Mfr. Part No.P01143200
£2,244.70
Each
Units
399 Ω 1µΩ 4 Wire - RSCAL Rechargeable NiMH Battery - 5kg 280mm 273mm +0.25% + 2 digits - ±0.25% + 2 digits
RS Stock No. 424-4383
Mfr. Part No.BS407
BrandAim-TTi
£645.00
Each
Units
2000 Ω 1µΩ 4 Wire - - Rechargeable NiMH Battery, Mains - 1.3kg 82mm 230mm +0.1 % +40°C ±0.1 %
RS Stock No. 424-4557
Mfr. Part No.BS407
BrandAim-TTi
£711.00
Each
Units
20000 Ω 1µΩ 4 Wire - RSCAL Rechargeable NiMH Battery, Mains - 1.3kg 82mm 230mm +0.1 % +40°C ±0.1 %
RS Stock No. 480-6947
Mfr. Part No.DO4000
BrandCropico
£617.00
Each
Units
4000 Ω 10µΩ 4 Wire - - AA Battery Yes 800g 130mm 55mm +0.05 % +40°C ±0.05 %
RS Stock No. 480-6997
Mfr. Part No.DO4000
BrandCropico
£683.00
Each
Units
4000 Ω 10µΩ 4 Wire - RSCAL AA Battery Yes 800g 130mm 55mm +0.05 % +40°C ±0.05 %
RS Stock No. 910-8695
Mfr. Part No.1006-603
BrandMegger
£2,846.00
Each
Units
2500 μΩ 100nΩ Low Resistance 1000 Tests RSCAL 6V Battery, Mains Yes 6.7kg - - +0.2 % +50°C -0.2 %
RS Stock No. 910-6804
Mfr. Part No.1006-603
BrandMegger
£2,780.00
Each
Units
2500 μΩ 100nΩ Low Resistance 1000 Tests - 6V Battery, Mains Yes 6.7kg - - +0.2 % +50°C -0.2 %
RS Stock No. 910-8715
Mfr. Part No.1006-600
BrandMegger
£3,806.00
Each
Units
2000 Ω 100nΩ Low Resistance 1000 Tests RSCAL Rechargeable NiMH Battery, Mains Yes 2.6kg 237mm 220mm +0.2 % +45°C -0.2 %
RS Stock No. 910-6807
Mfr. Part No.1006-600
BrandMegger
£3,740.00
Each
Units
2000 Ω 100nΩ Low Resistance 1000 Tests - Rechargeable NiMH Battery, Mains Yes 2.6kg 237mm 220mm +0.2 % +45°C -0.2 %
RS Stock No. 792-1064
Mfr. Part No.DO4002
BrandCropico
£817.00
Each
Units
400 Ω 1µΩ 4 Wire - RSCAL AA Battery Yes 800g 130mm 55mm +0.05 % +40°C ±0.05 %
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