Voltcraft voltcraft vc 64 two poole voltage tester 12 690 v ac dc led lcd buzzer voltcraft vc 64 p the voltcraft vc64 is a two pin voltage tester that has been designed built and tested according to en 61243 3 2010 vde0682 the tester can be used to measure and display dc and ac voltages in an electrical low voltage circuit or the absence of it p p the product also has an acoustic and visual circuit indicator as well as a resistance measurement and an rcd test function the power for