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Hi,
I have a mft 1720, the equipment itself is brilliant but every so often when I test earth loop impedance the rcd trips before it gets a zs value. On the same system I tried a older mft and got a zs reading straight away. Any suggestions
I have a mft 1720, the equipment itself is brilliant but every so often when I test earth loop impedance the rcd trips before it gets a zs value. On the same system I tried a older mft and got a zs reading straight away. Any suggestions