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Megger and Doble Power Factor Test Equipment

Doble M4000 M4100 Power Factor Insulation AnalyzerFinding the right diagnostic test to maintain and protect electrical equipment means using the best manufacturer’s equipment to get the right product for the job. When it comes to the power factor test, two makers stand out with reliable and accurate equipment that users can count on to perform optimally every time.



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Doble test equipment engineered one of the finest power factor testing sets on the market today. 
Doble M4000 M4100 Power Factor Insulation Analyzer the standard for high voltage test protocol on electrical apparatus such as substations and transformers. Assessing the condition of these vital units means the difference between safe operation and potential safety hazards to workers. With its pure sine wave technology, clean energy currents circulate during testing to provide precision results. 

For insulation testing, the tester of choice is the Megger CB-100 28V Power Factor Test Set. This unit provides low voltage capacitance and insulation power factor testing all in one self-contained unit. Calculations are displayed right on the instrument, and complex tests can be accomplished without changing leads. 

Both the Doble and Megger units provide portable solutions for field work along with the latest technology to make reading and analyzing results easy. We have all the test equipment you need for your electric equipment so give us a call to learn more about our rental programs today. 

Related electrical test equipment available for rent from Protec:

Doble M4110 Leakage Reactance Module

Megger DELTA4310 12kV Insulation Diagnostic System

Omicron CPC 100 Multi-Functional Primary Test System

This electrical test equipment is available for rent, lease, or purchase from Protec Equipment Resources. We are here to help you with your testing equipment needs.

Wherever the job takes you (and the equipment), with Protec’s multiple locations, we always ship from the office closest to your desired drop location (if the electrical test equipment you need is in-stock at that location), and the equipment can be returned to the nearest office.

We always consider ALL shipping options in order to save you the most time and money.

Also, if you happen to be close to one of our many office locations, walk-ins are always welcome!

Rely on the Electrical Test Equipment Rental Experts, we are there when and where you need us.


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Editor’s Note: This post was originally published September, 2011 and has been updated freshness, accuracy and comprehensiveness.