UT262 series adopts clamp type non-contact measuring method, which means user doesn’t need to get in touch with high-voltage exposed wires. It can start detection after three super-induction and high-insulation clamps clamp the exterior of the three-phase wires, which is safer, more practical, and more effective. Beside phase sequence detection, UT262 series can be also used for live wire detection, simple electrical inspection, phase identification, missing-phase judgment, and wire breaker searching. It is a perfect tool for phase sequence detection, motor mounting, and wires maintenance.