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The three models in the testo 750 voltage tester familyThe testo 745 non-contact voltage tester with a voltage have the most important functions for voltage testing, continuity testing and rotating magnetic field measurement. range of up to 1,000 V AC is particularly well-suited to fast initial checking of any suspected fault sources. Both instruments in the testo 755 current/voltage tester family are the first of their kind: voltage testers which meet the latest standard and which can also measure current. This means they are suitable for virtually all daily electrical measuring tasks.

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