Measurement: The 3phase rotary tester provides accurate phase sequence detection to ensure reliable operation of 3phase systems. Construction: This digital phase indicator detector is made of plastic and metal to withstand harsh environments while maintaining longevity and reliability. Frequency: With an operating frequency range, the threephase rotary tester meets a wide variety of application requirements, making it ideal for industrial and commercial use. Dimensions: Weighing only 120 grams and measuring 85 x 64 x 23 mm, it is compact and easy to handle and transport for use in any environment. Applications: Onsite phase sequence verification before starting 3phase motors in manufacturing facilities. Installation and commissioning of electrical panels in industrial and commercial buildings. Field checks of temporary power distribution at construction sites or during service calls.