ETCR1520 Ring Network Cabinet Wireless Low-voltage Phase Meter 600V/380V Line  Product Description: It is used in the phase checking of the ring main unit of the power distribution system, as well as the phase, frequency and phase sequence testing. Product Functions: 1. Using wireless transmission technology, the nuclear phase distance is 30 meters, and the nuclear phase is accurate and convenient to operate. 2. Voice prompt: "X signal is normal, Y signal is normal, in-phase, out-of-phase". 3. Using a 3.5-inch LCD color screen, it can display the phase, frequency, phase sequence, and nuclear phase results on the same screen, and the dynamic vector diagram indication is clear and intuitive. 4. Data storage function, can store 200 groups of data. USB interface data. Upload function, the stored data can be uploaded to the computer, saved and printed. Product Specifications: