SM852B 3 Phase Rotation Tester Indicator Detector Meter (Orange) 1. Used to measure phase sequence and open phase condition via LED and buzzer indication. 2. Measuring frequency range: 20Hz to 400Hz. 3. Operational voltage: 60V to 600V AC (3 Phase). 4. Withstand voltage: 2000V for one minute (impulse voltage 4000V). 5. Maximum continuous use time: - Up to 60 minutes at 200V AC - Up to 4 minutes at 600V AC 6. Test leads: Double insulated, approximately 67cm in length. 7. Dual functionality: Designed to verify phase sequence and detect open phases using LED indicators. 8. Alligator clips: Securely connect to control panel terminals for reliable and safe testing. 9. High reliability: Capable of accurately testing a wide range of 60V to 600V AC three-phase systems. 10. Functional design: Compact, lightweight, and portable for ease of use. 11. Dimensions: Approximately 85x64x23mm.