Lovato Electric DME D330 功率计

"The DME D330 is a three-phase Energy Meter with CT insertion. It has been designed to combine the utmost ease of use with a wide range of advanced functions. The backlit LCD display permits a clear and intuitive user interface. The DME D330 also features an isolated RS485 communication interface with Modbus protocol to permit supervision and a tariffing input.Backlight LCD display. 4 U (72mm) modular construction for DIN Rail. Three-phase energy meter. CT insertion. AC tariffing input. 3 navigation buttons for functions and settings. Metrology LED for energy flow indication. High-accuracy TRMS measurement. Active energy measurement according to EN62053-22 class 0.5s. 1 total hour counter and 4 partial hour counters. Programmable input. 2-level password protection for settings. Backup copy of original settings. Terminal covers can be lead sealed. IP40 (front) protectionDisplay Type = LCDNumber of Phases = 3Pulse Output = YesDepth = 63mmMinimum Temperature = -25°CMaximum Temperature = +55°CMinimum Measurement = 184 (Phase - Neutral) V ac, 323 (Phase - Phase) V acMeter Type = ElectronicMeasurement Range = 184 - 264 (Phase - Neutral) V ac, 323 - 456 (Phase - Phase) V acMaximum Measurement = 264 (Phase - Phase) V ac, 456 (Phase - Phase) V ac"