Help! Never seen this before!

[Steve93]

I am installing solar to a house and this is there main incoming. I can’t see an Earth anywhere but test ZS across L-N coming out at 0.20. Then with gas bond disconnected is 0.38! But we only have gas bonding. No other earth anywhere. Anyone had this?

 

['mr2'gd4u]

Just take a sledge to it and call dno "there's a hole in my wall in which your meter was, think it needs replacing!"