aemc ground resistance tester 3705

[SparkySy]

Hi to the knowledgeable collective,
I recently was given one of these clamp meters for helping a friend out, however upon researching its uses it looks like it's for testing ground spike or plate resistance. Has anyone used one of these and do you have any guidance in their use? I found the user manual for it but it is still a little unclear!

 

[Strima]

To use one of these you need a minimum of two electrodes. I used to use the Megger equivalent for LP system testing.

 

[SparkySy]

I see, it says that it has twin coils in the clamp one to induce and the other to measure. I take it it needs the two rods to complete the circuit so to speak?