Major Tech 5-In-1 Multifunction Digital Tester – IEC CAT III

The Major Tech 5-In-1 Multifunction Digital Tester is a versatile diagnostic tool for electrical installation, maintenance, and fault-finding work. It combines continuity, insulation resistance, loop impedance, PSC, and RCD testing in one compact unit, with IEC 61010-1 CAT III 300V and CAT II 600V certification for safe use on distribution circuits and final circuits. Ideal for electricians, electrical contractors, and facilities managers who need reliable multi-function testing without carrying separate instruments.