UNI-T UT18D Voltage Continuity Tester - RCD & Phase Rotation

The UNI-T UT18D is a versatile multifunction voltage continuity tester designed for professional electrical work. This industrial electroscope handles AC and DC voltage measurements, including three-phase AC testing, making it a reliable tool for complex electrical environments. It features a single pen measurement capability to accurately determine N or L wires and provides essential tests for continuity, polarity, and RCD functionality. Built for durability and ease of use, the device includes an IP65 waterproof rating for safe operation in wet or rainy conditions. The large LCD display and integrated lighting function ensure you can read measurements and work effectively even in dark or low-light settings. With built-in self-test capabilities and low battery indications, the UT18D provides a dependable solution for electrical diagnostics and phase rotation testing.