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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Description Price Maximum Resistance Measurement Resistance Measurement Resolution Measurement Type Battery Life Calibrated Battery Type Power Source Handheld Dimensions Weight Height Length Maximum Accuracy Maximum Operating Temperature
RS stock no. 611-953
Mfr. Part No.M210
BrandRhopoint
R 9,207.88
Each
units
200 Ω 100µΩ 4 Wire - - PP3 Battery Yes 150 x 80 x 38mm 510g 150mm 80mm +0.1 % +35°C
RS stock no. 910-6807
Mfr. Part No.1006-600
BrandMegger
R 69,261.75
Each
units
2000 Ω 100nΩ Low Resistance 1000 Tests - Rechargeable NiMH Battery, Mains Yes 220 x 100 x 237mm 2.6kg 237mm 220mm +0.2 % +45°C
RS stock no. 424-4383
Mfr. Part No.BS407
BrandAim-TTi
R 12,021.77
Each
units
20 kΩ 1µΩ 4 Wire 150 h - Rechargeable NiMH Battery, Mains - 230 x 220 x 82mm 1.3kg 82mm 230mm +0.1 % +40°C
RS stock no. 910-6801
Mfr. Part No.1006-598
BrandMegger
R 58,270.75
Each
units
2000 Ω 100nΩ Low Resistance 1000 Tests - Rechargeable NiMH Battery, Mains Yes 220 x 100 x 237mm 2.6kg 237mm 220mm +0.2 % +45°C
RS stock no. 666-7371
Mfr. Part No.1006-445
BrandMegger
R 5,383.62
Each
units
- - - - - - - - - - - 2.5m - -
RS stock no. 122-5158
BrandRS PRO
R 9,405.43
Each
units
5 MΩ 1µΩ 4 Wire - - - Mains Yes 223 x 102 x 283mm 4kg 283mm 223mm +0.2 % +399.9°C
RS stock no. 910-6804
Mfr. Part No.1006-603
BrandMegger
R 51,542.75
Each
units
2500 μΩ 100nΩ Low Resistance 1000 Tests - 6V Sealed Lead-Acid Battery, Mains Yes - 6.7kg - - +0.2 % +50°C
RS stock no. 124-0940
BrandRS PRO
R 3,012.90
Each
units
20 kΩ 100µΩ 4 Wire - - - Battery Yes 100 x 52 x 160mm 700g 160mm 100mm ±0.3 % +1 Digit -
RS stock no. 331-6752
Mfr. Part No.OM 10
R 28,881.70
Each
units
50 kΩ 0.1 °C, 1 V, 10 μΩ 4 Wire 10 h - Rechargeable NiCd Battery Yes 120 x 65 x 245mm 1.1kg 245mm 120mm +0.05% + 5 Ω +55°C
RS stock no. 480-6947
Mfr. Part No.DO4000
BrandCropico
R 10,968.48
Each
units
4 kΩ 10µΩ 4 Wire - - AA Battery Yes 55 x 215 x 130mm 800g 130mm 55mm +0.05 % +40°C
RS stock no. 523-392
Mfr. Part No.P01143200
R 40,722.00
Each
units
399.9 Ω 1µΩ 4 Wire 1.2 h - Rechargeable NiMH Battery - 273 x 247 x 280mm 5kg 280mm 273mm +0.25% + 2 digits -
RS stock no. 122-5156
BrandRS PRO
R 14,110.13
Each
units
5 MΩ 1µΩ 4 Wire - - - Mains Yes 223 x 102 x 283mm 4kg 283mm 223mm +0.2 % +399.9°C
RS stock no. 122-5157
BrandRS PRO
R 11,225.25
Each
units
5 kΩ 1µΩ - - - - - - - 3kg 102mm 283mm - -
RS stock no. 478-3620
Mfr. Part No.OM 17
R 55,692.39
Each
units
2500 Ω 100nΩ 4 Wire 5000 Tests - Rechargeable NiMH Battery - 270 x 250 x 180mm 4kg 180mm 270mm +0.05% + 300 mΩ +55°C
RS stock no. 192-3099
Mfr. Part No.P01140301
R 9,085.97
Each
units
+10 Ω, 1000 MΩ, 1000 Ω - - - - AA Battery Yes 167 x 106 x 55mm 500g 55mm 167mm +3 %, +5 % -
New
RS stock no. 187-4996
Mfr. Part No.BA6010
R 17,692.95
Each
units
3 kΩ 1µΩ 4 Wire - - Alkaline, Lithium Battery, Mains - 235 x 360 x 104mm 3.6kg 104mm 235mm 0.5 % + 0.3 % FS +40°C
RS stock no. 174-7893
Mfr. Part No.P01143221
R 85,041.90
Each
units
2500 Ω 100nΩ 4 Wire - - Rechargeable NiMH Battery Yes 270 x 250 x 180mm 4kg 180mm 270mm 0.05 + 300 mΩ % +50°C
New
RS stock no. 187-4998
Mfr. Part No.BA6011
R 20,025.32
Each
units
3 kΩ 1µΩ 4 Wire - - Alkaline, Lithium Battery, Mains - 235 x 360 x 104mm 3.6kg 104mm 235mm 0.5 % + 0.3 % FS +40°C
New
RS stock no. 180-4810
BrandRS PRO
R 46,701.55
Each
units
3.2 kΩ 100nΩ 4 Wire - - 300 V Mains - 264 x 309 x 107mm 2.8kg 107mm 264mm 0.5 % -
New
RS stock no. 180-4811
BrandRS PRO
R 40,050.10
Each
units
3.2 kΩ 100nΩ 4 Wire - - 80 V Mains - 264 x 309 x 107mm 2.8kg 107mm 264mm 0.5 % -