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Fluke 5322A Electrical Safety Tester Calibrator


Key features

  • Continuously variable high voltage resistance outputs source high-ohms, high voltage resistors to enable calibration of insulation resistance testers/megohmmeters up to 5 kV.  The continuously variable feature lets the user set any resistance value to match the device under test (DUT) requirement and adjust the 5322A output to a nominal value, which aids in calibrating older-style hand-cranked testers.

  • Active Loop Compensation makes it easier to calibrate the loop/line impedance function of an installation tester by canceling residual line impedance during calibrations.

  • 600 V source (VLC option) allows calibration of ac voltage measurements on workloads with measurement capabilities. This feature is also useful for powering many types of PAT testers.

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Product overview: Fluke 5322A Electrical Safety Tester Calibrator

The 5322A Electrical Tester Calibrator helps calibration technicians comply with new regulatory standards up to four times faster than with traditional manual, multiple-product methods. The 5322A replaces the 5320A Electrical Tester Calibrator.


The 5322A calibrator facilitates compliance with exacting international standards such as the United Kingdom’s BS7671 17th Edition, IEC/EN Standards, Australia and New Zealand’s AS/NZS 3000 and Chinese verification/calibration regulations for various electrical testers.


The 5322A combines many functions into a single instrument, replacing discrete resistors, decade boxes and other custom solutions commonly used to calibrate electrical testers. This single-box solution speeds and simplifies calibration because users only need to learn, operate and maintain one calibrator rather than multiple instruments. And while it’s difficult to automate multiple instruments, the 5322A can be automated with MET/CAL® Calibration Software—further increasing speed and throughput.


Calibrate all major types of electrical safety testers with just one calibrator. The 5322A calibrates all major categories of electrical safety testers. The benefits of this calibrator are best described by the key functionality it brings to calibrating the individual workloads.