O
Octopus
I've got this one ............ had it about 3.5 years
Metrel MD 9272 Earth leakage clamp with Power functions - https://www.test-meter.co.uk/metrel-md-9272-trms-leakage-clamp-with-power-functions/
Not cheap, but buy once, buy wisely.
Metrel MD 9272 Earth leakage clamp with Power functions - https://www.test-meter.co.uk/metrel-md-9272-trms-leakage-clamp-with-power-functions/
Not cheap, but buy once, buy wisely.