Simple and fast testing of the phase (external conductor) and the direction of the rotating field in electrical systems and devices. Compact and simple tester for domestic, commercial and industrial use. Ideal for quick troubleshooting.Phase test at plug and branch sockets: Red LED probe tip + signal tone · Phase rotation test in three-phase networks: Green/red LED probe tip for right/left rotating field · Testing for phase consistency · Finding cable breaks in insulated and live lines · Flashing frequency of LED probe tip and signal tone frequency rising to voltage level · ON/OFF switch with ready LED for phase and rotating field test · Breakproof ABS housing and easy operation.This text is machine translated.