earth loop impedance test

[john h owen]

Hi I must admit it has been years since I did this test

State two conditions which were confirmed by the test instrumement before the Loop Impedance Test can proceed?

 

[WayneL]

Hi I must admit it has been years since I did this test

State two conditions which were confirmed by the test instrumement before the Loop Impedance Test can proceed?

?? - The supply voltage and the fact that you do have a circuit (and therefore an 'earth loop') to measure??

 

[wallyanker]

1. Voltage
2. Polarity of your leads connected