Description of Sequence Presence Rotation Indicator Detector Test, Measure & Inspect
Used to measure the opening phase condition and sequence through LED and Buzzer. Frequency range : 20Hz to 400Hz, red, green, yellow light indicates the buzzer. One Unit with 2 Functions: Open phase indication and phase rotation indication. Fast and accurate measurement, efficient, effective, reliable, easy and safe to use. Measuring frequency range: 20Hz to 400Hz;continuously.