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Insulation resistance

Recent stories

  • Fluke 1587 FC Insulation Multimeter, performing a high-voltage megohm test

    Insulation tester vs megohmmeter

    What is the difference between an insulation tester and a megohmmeter? Compare insulation meters, testers, megohmmeters, and meggers to learn about what's best for your needs.
  • Through a series of sequential measurements, you can identify overall leakage current and the source

    Why controlling leakage current is important

  • ASI Robicon Perfect Harmony water-cooled VFD

    Insulation resistance testing capacitors and high-voltage components

    Using a megger for insulation resistance testing capacitors and high voltage components.
  • How to choose an the best insulation resistance tester for you

    How to choose the best insulation resistance tester

    Examine six areas when deciding on the best insulation resistance tester for the application. Consider the equipment to be tested, test voltage requirements, the testing environment, other possible uses, the experience level.
  • What is an insulation multimeter?

    What is an insulation multimeter?

    The Fluke 15x7 Series Insulation Multimeter is a new category of test tool that combines a full featured True RMS DMM and a megohmmeter. It's an integrated tool for maintaining and troubleshooting motor systems, electrical distribution, and production equipment.

  • Motor Dan's best practices: how to keep VFDs and motors running

    Motor Dan's best practices: how to keep VFDs and motors running

    Variable frequency drives (VFD) keep on gaining in popularity. Applied to blowers and pumps, they offer energy savings, and in mechanical applications they allow fine adjustments that wouldn't be possible by other methods.

  • Reduce motor downtime with sequential insulation resistance tests

    Reduce motor downtime with sequential insulation resistance tests

    Case Study: Insulation Resistance

  • Electrical transmission cables

    Electrical transmission cables

    Testing electrical cables (insulation resistance cable test, continuity, voltage) with the Fluke 1587 Insulation Multimeter at a Singapore electrical utility.

  • Optimizing electric-motor efficiency - part II

    Optimizing electric-motor efficiency - part II

    In Part I of this short application note series, we discussed inspection points on motors to make during an energy audit or other efficiency program. Part I covers basic motor efficiency strategy and describes tests and cost savings for voltage and current unbalance and for power factor. Part II covers inspection points that are best incorporated into regular, long-term preventive maintenance.
  • How to perform pre-season checks on your chiller system

    How to perform pre-season checks on your chiller system

    In the warm summer season, cooling equipment operates at near peak capacity. If that equipment is used for critical building functions, any equipment downtime for whatever reason is unacceptable.