- Dual Functionality: The SM852B 3-phase sequence rotation tester combines two essential functions in one device: it serves as an open phase display and a phase rotation indicator, ensuring versatility in your testing needs. - Fast and Accurate Measurements: With an LED display and an audible buzzer, this tester delivers quick and precise measurements, allowing you to efficiently check for open phases and 3-phase sequence conditions. - Real-Time Rotation Direction Display: The device clearly indicates the direction of rotation and monitors the status of each of the three phases in real time. It also alerts you to potential issues caused by incorrect wiring, safeguarding your equipment. - Simple Operation: Testing is straightforward. Just connect the crocodile clip to the three-phase circuit you wish to test. The LED and buzzer will promptly indicate the presence of any open phases and confirm the phase sequence. - Ideal Use Scenarios: 1. Electrical maintenance: Use the SM852B to quickly diagnose phase issues in industrial equipment. 2. Installation checks: Verify the correct wiring and phase rotation during the setup of new machinery. 3. Troubleshooting: Efficiently identify open phases in existing electrical systems, preventing costly downtime. - Product Specifications: Designed for durability and precision, the compact size makes it easy to carry and use in various settings. The SM852B is compatible with standard three-phase circuits, making it a reliable choice for electricians and technicians alike.