I have a megger analog when I test a oven element which is 1500W 240V
I test the element for earth resistance should the element read on the megger 1.5K oms using 500V meg oms setting.
I am not shore as to when the element is good or not
If it is a short to earth it is no good or a open circuit.
how do you work out what the reading on the megga should read and the reading when the element is no good
A more accurate method is to connect it to the live wire via a DVM set to read AC current the case to protective earth and no neutral connection. The meter will indicate the leakage current - if it reads over 0.25mA then throw it out.
A more accurate method is to connect it to the live wire via a DVM set to read AC current the case to protective earth and no neutral connection. The meter will indicate the leakage current - if it reads over 0.25mA then throw it out.