Di Log Combivolt2 AC/DC 2 Pole Digital Voltage & Continuity Tester 690V

Amazon

Testing of AC/ DC voltages from 12 to 690 V AC/DC Continuity testing with optical and acoustic indication Automatic switching between voltage and continuity Phase rotation test system Fully operational voltage indication even when batteries are discharged

Zoro Tools

CombiVolt 2 Voltage & Continuity tester c/w LCD Digital Display