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 Weight Height Length Maximum Accuracy Maximum Operating Temperature Minimum Accuracy Minimum Operating Temperature
RS Stock No. 174-7893
Mfr. Part No.P01143221
SGD7,766.45
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. 523-392
Mfr. Part No.P01143200
SGD4,514.97
Each
units
399.9 Ω 1µΩ 4 Wire 1.2 h Rechargeable NiMH Battery - 5kg 280mm 273mm +0.25% + 2 digits - ±0.25% + 2 digits -