How to test solar PROPERLY with Test Instrument Solutions

We get into solar PV testing and more with the legends Mark and Steve from  @testinstrumentsolutions  Was really interesting to learn about product development and the challenges in supporting electricians with the knowledge to test this stuff! Huge thanks to Mark and Steve for visiting us and please do check them out at tradeshows around the UK and https://www.testinstrumentsolutions.co.uk/