How to use the HIOKI IR4053 Insulation Tester for Photovoltaics ?

The Hioki IR4053 features a photovoltaic resistance function for measuring solar power systems, allowing you to measure insulation resistance accurately without shorting strings of photovoltaic cells and without risking accidents such as arc discharge events, even as the system continues to generate electricity during daylight hours.
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00:04 Why is it necessary to have an insulation tester designed specifically for use with solar power systems?
00:30 What are the problems with conventional insulation testers?
00:54 Non-Short Circuit Method
01:23 Providing a safe and accurate method to measure active photovoltaics.
02:43 Measure PV insulation resistance safely, accurately, quickly