Is this a Voltage indicator which proves it is working correctly by itself?
http://www.tlc-direct.co.uk/Main_Index/Test_Meters_Index/Dilog_TM6741/index.html
Its just NIC bloke said i have to get self proving voltage indicator and proving before and after on known source is insufficient!
http://www.tlc-direct.co.uk/Main_Index/Test_Meters_Index/Dilog_TM6741/index.html
Its just NIC bloke said i have to get self proving voltage indicator and proving before and after on known source is insufficient!