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 Battery Type Power Source Handheld Dimensions Weight Height Length Maximum Accuracy Maximum Operating Temperature Minimum Accuracy
RS Stock No. 611-953
Mfr. Part No.M210
BrandRhopoint
$970.86
Each
units
200 Ω 100µΩ 4 Wire - PP3 Battery Yes 150 x 80 x 38mm 510g 150mm 80mm +0.1 % +35°C ±0.1 %
RS Stock No. 910-6807
Mfr. Part No.1006-600
BrandMegger
$12,340.00
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 -0.2 %
RS Stock No. 666-7371
Mfr. Part No.1006-445
BrandMegger
$1,043.00
Each
units
- - - - - - - - - - 2.5m - - -
RS Stock No. 124-0940
BrandRS PRO
$390.19
Each
units
20 kΩ 100µΩ 4 Wire - - Battery Yes 100 x 52 x 160mm 700g 160mm 100mm ±0.3 % +1 Digit - -
RS Stock No. 437-5932
Mfr. Part No.M630A
$806.25
Each
units
1999 kΩ 10mΩ - - 9V Battery - 60 x 230 x 40mm 180g 40mm 60mm +1.5% + 4 digits +50°C ±1.5% + 4 digits
RS Stock No. 136-5760
Mfr. Part No.1008-103
BrandMegger
$10,698.00
Each
units
2.5 kΩ 10µΩ Low Resistance >1000 Measurement 6 V/7 Ah Sealed Lead Acid Battery - 315 x 285 x 181mm 6.7kg 181mm 315mm +0.2 % +50°C -0.2 %
RS Stock No. 480-6947
Mfr. Part No.DO4000
BrandCropico
$1,355.98
Each
units
4 kΩ 10µΩ 4 Wire - AA Battery Yes 55 x 215 x 130mm 800g 130mm 55mm +0.05 % +40°C ±0.05 %
RS Stock No. 910-6801
Mfr. Part No.1006-598
BrandMegger
$10,523.00
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 -0.2 %
RS Stock No. 192-3099
Mfr. Part No.P01140301
$1,190.00
Each
units
1000 Ω - - 1000 Measurements 1.5 V LR06 Battery Yes 167 x 106 x 55mm 500g 55mm 167mm +3 %, +5 % - ±3 %
RS Stock No. 671-8864
Mfr. Part No.DO4002
BrandCropico
$2,241.77
Each
units
400 Ω 1µΩ 4 Wire - AA Battery Yes 55 x 215 x 130mm 800g 130mm 55mm +0.05 % +40°C ±0.05 %
RS Stock No. 910-6804
Mfr. Part No.1006-603
BrandMegger
$9,327.00
Each
units
2500 μΩ 100nΩ Low Resistance 1000 Tests 6V Sealed Lead-Acid Battery, Mains Yes - 6.7kg - - +0.2 % +50°C -0.2 %
RS Stock No. 2552269673
Mfr. Part No.ILOM-508A AU Std CAL
BrandRS PRO
$478.00
Each
units
- - - - - - - - - - - - - -
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