UT-18D Phase Sequence and Voltage Indicator

The UNI-T UT-18D is a handheld phase sequence and voltage indicator designed for electricians and technicians. It safely detects phase rotation (clockwise or counterclockwise) and AC voltage presence up to 600V. The device features bright LED indicators and an audible alarm to confirm phase sequence, making it easy to use in noisy environments.

With a compact and rugged design, the UT-18D is ideal for testing three-phase power systems, motor installations, and industrial equipment. It operates on a frequency range of 50/60Hz and requires no batteries, drawing power directly from the test source. The unit meets safety standards CAT III 600V, ensuring reliable performance in demanding conditions.