





🔧 Master your 3-phase game with precision and safety!
The UNI-T SM852B Phase Sequence Meter is a compact, dual-function tester designed for professionals to accurately verify 3-phase rotation and detect open phases across a wide voltage range (60V-600V AC). Featuring LED indicators and buzzer alerts, it ensures safe, reliable diagnostics with secure clip terminals and a lightweight, portable design ideal for field and panel work.
Trustpilot
2 days ago
2 weeks ago