ETCR4300 Three Phase Meter Price with Digital Phase Volt-Ampere Meter     Features:    1. In the measured circuit is open under the condition of simultaneous measurement of three-phase AC voltage, current, voltage, current, phase phase voltage and current phase, frequency, phase, active power, reactive power, apparent power, power factor, current vector and discrimination, transformer group, line inductive and capacitive circuit two, test circuit and bus differential protection system, readout phase relationship between differential protection groups CT, wiring check meter is correct or not, the maintenance of the line equipment etc..     2. Intelligent design, reduce the complexity of the operation, reduce the possibility of false operation, with high precision, high stability, low power consumption, easy to use.     3. The tip of a small jaw shape is suitable for measuring the cable in crowded places.     Four The test line with power cable, rod plug and holder have insulation protection.     Five Insulated anti slip jacket.     Six The use of large LCD display, white screen backlight, display at a glance. High precision, high stability, low power consumption, easy to use.     Seven Equipped with USB-RS232 interface, can store 500 sets of data, upload the data to the computer through the system software, easy to read, save, report, print the historical data, etc..           Specification:                              nfluence Quantity                         Base Condition                         Working Condition                         Remark                                 Ambient Temperature                         23c±1c                         -10c-40c                         ----                                 Ambient Humidity                         40%-60%                         <80%                         ----                                 Signal Waveform                         sine wave                         sine wave                         β=0.