Ohmmeters

An ohmmeter is a type of meter used in the measurement of electrical resistance and continuity of an electrical circuit and components and are 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.


Application


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 generally 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.


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Viewing 1 - 20 of 23 products
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Description Price Maximum Resistance Measurement Resistance Measurement Resolution Measurement Type Battery Life Battery Type Power Source Handheld Weight Height Length Maximum Accuracy Maximum Operating Temperature Minimum Accuracy Minimum Operating Temperature
RS Stock No. 124-0940
BrandRS PRO
MYR1,103.32
Each
units
20000 Ω 100µΩ 4 Wire - - Battery Yes 700g 160mm 100mm ±0.3 % +1 Digit - - -
RS Stock No. 122-5157
BrandRS PRO
MYR4,085.63
Each
units
5000 Ω 1µΩ - - - - - 3kg 102mm 283mm - - - -
RS Stock No. 122-5156
BrandRS PRO
MYR3,803.77
Each
units
5000 μΩ 1µΩ 4 Wire - - Mains Yes 4kg 283mm 223mm +0.2 % +399.9°C 0.05 % -50°C
RS Stock No. 122-5158
BrandRS PRO
MYR2,305.95
Each
units
5000 μΩ 1µΩ 4 Wire - - Mains Yes 4kg 283mm 223mm +0.2 % +399.9°C 0.05 % -50°C
RS Stock No. 180-4811
BrandRS PRO
MYR10,122.48
Each
units
32000 Ω 100nΩ 4 Wire - 80 V Mains - 2.8kg 107mm 264mm 0.5 % - - -
RS Stock No. 180-4810
BrandRS PRO
MYR12,149.76
Each
units
32000 Ω 100nΩ 4 Wire - 300 V Mains - 2.8kg 107mm 264mm 0.5 % - - -
RS Stock No. 611-953
Mfr. Part No.M210
BrandRhopoint
MYR3,717.44
Each
units
200 Ω 100µΩ 4 Wire - PP3 Battery Yes 510g 150mm 80mm +0.1 % +35°C ±0.1 % +5°C
RS Stock No. 671-8864
Mfr. Part No.DO4002
BrandCropico
MYR5,259.95
Each
units
400 Ω 1µΩ 4 Wire - AA Battery Yes 800g 130mm 55mm +0.05 % +40°C ±0.05 % 0°C
RS Stock No. 424-4383
Mfr. Part No.BS407
BrandAim-TTi
MYR4,055.61
Each
units
20 kΩ 1µΩ 4 Wire 150 h Rechargeable NiMH Battery, Mains - 1.3kg 82mm 230mm +0.1 % +40°C ±0.1 % +5°C
RS Stock No. 123-8215
Mfr. Part No.MI3242
BrandMetrel
MYR6,348.44
Each
units
199 Ω 1µΩ Low Resistance - AA Battery, Mains - 1kg 230mm 80mm +0.25 % +40°C -0.25 % 0°C
RS Stock No. 480-6947
Mfr. Part No.DO4000
BrandCropico
MYR4,236.69
Each
units
4 kΩ 10µΩ 4 Wire - AA Battery Yes 800g 130mm 55mm +0.05 % +40°C ±0.05 % 0°C
RS Stock No. 331-6752
Mfr. Part No.OM 10
MYR11,827.64
Each
units
50 kΩ 0.1 °C, 1 V, 10 μΩ 4 Wire 10 h Rechargeable NiCd Battery Yes 1.1kg 245mm 120mm +0.05% + 5 Ω +55°C ±0.05% + 50 μΩ -10°C
RS Stock No. 671-8851
Mfr. Part No.DO7
BrandCropico
MYR16,019.77
Each
units
60 Ω 100nΩ 4 Wire 20 h Rechargeable Battery, Mains - 8kg 152mm 327mm +0.15 % +40°C ±0.15 % 0°C
RS Stock No. 910-6801
Mfr. Part No.1006-598
BrandMegger
MYR21,698.45
Each
units
2000 Ω 100nΩ Low Resistance 1000 Tests Rechargeable NiMH Battery, Mains Yes 2.6kg 237mm 220mm +0.2 % +45°C -0.2 % +5°C
RS Stock No. 123-8214
Mfr. Part No.MI3250
BrandMetrel
MYR15,370.47
Each
units
2000 Ω 100nΩ Low Resistance - HR14 Type C (6 x 1.2 V dc NiMH) Battery, Mains - 2.8kg 130mm 310mm +0.25 % +50°C -0.25 % -10°C
RS Stock No. 910-6807
Mfr. Part No.1006-600
BrandMegger
MYR25,681.07
Each
units
2000 Ω 100nΩ Low Resistance 1000 Tests Rechargeable NiMH Battery, Mains Yes 2.6kg 237mm 220mm +0.2 % +45°C -0.2 % +5°C
RS Stock No. 910-6804
Mfr. Part No.1006-603
BrandMegger
MYR20,930.56
Each
units
2500 μΩ 100nΩ Low Resistance 1000 Tests 6V Battery, Mains Yes 6.7kg - - +0.2 % +50°C -0.2 % -10°C
RS Stock No. 175-2530
Mfr. Part No.BK2840
MYR3,473.39
Each
units
20000 Ω 1µΩ 4 Wire - - Mains - 8.6kg 89mm 215mm 0.1 % +40°C - 0°C
RS Stock No. 174-7893
Mfr. Part No.P01143221
MYR25,125.98
Each
units
2500 Ω 100nΩ 4 Wire 4500 Tests Rechargeable NiMH Battery Yes 4kg 180mm 270mm 0.05 + 300 mΩ % +50°C 0.05 + 1 μΩ % 0°C
RS Stock No. 478-3620
Mfr. Part No.OM 17
MYR23,146.43
Each
units
2500 Ω 100nΩ 4 Wire 5000 Tests Rechargeable NiMH Battery - 4kg 180mm 270mm +0.05% + 300 mΩ +55°C ±0.05% + 0.5 μΩ -10°C