Martindale VT12PD S Voltage Tester & Proving Unit Kit

Amazon

Complete kit for proving dead on 230V single-phase installations for safe isolation Includes two-pole voltage tester, proving unit and heavy-duty carry case for convenience Measures AC/DC voltages from 12V to 690V with clear LED indication for reliable testing Features audible continuity test for quick circuit verification and GS38 compliant probe tips Durable design trusted by professionals for electrical safety compliance and portability

Test-meter.co.uk

Martindale VT12/PD-S voltage indicator kit. Detects 12-690V AC/DC. LED display. Continuity test. Single-pole phase test. Includes proving unit and carry case. Safe electrical circuit isolation.