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6240 Micro-Ohmmeters
The 10A Micro-Ohmmeter Model 6240 is a rugged, low resistance tester designed for both plant maintenance and field use. Utilizing a four-lead Kelvin method of testing, the Model 6240 Micro-Ohmmeter accurately measures very low resistance within 0.25%.

Resistance measurements are automatically calculated from 1Ω to 400Ω with resolutions down to 1Ω. The Model 6240 has selectable test currents of 10A, 1A, 100mA and 10mA and includes a polarity reversal function.

The Model 6240 is designed to conduct tests on both resistive and inductive material. Up to 99 measurements can be stored and printed directly to a printer or from a PC.

The DataView Software included allows you to configure the instrument, temperature compensate the test results, as well as, store data and print reports.


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Features
  • Measures from 1Ω to 400Ω
  • Test current selection from 10mA to 10A
  • Manual temperature compensation (with DataView software)
  • Front panel polarity reverse function
  • Stores up to 99 test results
  • Operator safety by automatic discharge of residual charge on the equipment under test
  • Auto store of multiple test results
  • Internal, rechargeable batteries conduct up to 850, 10A tests
  • Built-in battery pack recharger recharges the batteries by connecting to the AC line using a standard line cord
  • 4-Wire measurement with automatic compensation of undesirable voltages and lead resistance
  • Large multi-function backlit display
  • Direct display of the measurement with its units, range and test current
  • Rugged, sealed case
 
Applications
  • Ground connections and continuity measurement
  • Bonding resistance measurements on motors and small transformers
  • Contact resistance measurements on breakers and switches
  • Component measurement
  • Electrical cable resistance measurement
  • Mechanical bond tests
  • Wire to terminal connections
  • Aircraft and rail bonds