Why be complicated when you can be simple? The Testboy 40 simple is robust and user-friendly.
Thanks to its practical design, the Testboy 40 simple lies comfortably in the hand and can be operated classically and easily. This guarantees the user a long period of readiness for use. The voltage tester reliably indicates direct and alternating voltages in the range from 12 to 690 V. In addition, the Testboy 40 simple enables continuity testing and single-pole phase search.
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