Gossen Metrawatt Metrahit Iso M246B
It's never a good idea to guess with measurements, that's what measuring tools are for. There's no cord to restrict you, just make sure you've charged the battery.
Conrad Electronic
Gossen Metrawatt Metrahit Iso Insulation tester 50 V, 100 V, 250 V, 500 V, 1000 V 3.1 GΩ
£1,036.08
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