Hello Sir how are you I .m Yalew from Ethiopia Electric power company. I have been looking your video regarding 5KV Insulation Tester 38095,I've got starting clue actually.I would like thank you for your constructive support. you know We have using this device,but it didn't output the desired Insulation Test voltage since last four month's.can we get your support in providing us clear and updated video on how to check,repair and restore its function please. With regards Yalew Amare