Segment LCD display (white backlight) Measure 28 electrical parameters including voltage/current/active power/reactive power/frequency/power factor etc. Active energy/reactive energy/four-quadrant reactive energy metering function, and pulse output port Standard with 4 DI and 2 alarm output, input/output fully isolated telesignaling & telecontrol function Optional 1 channel 4~20mA analog transmission output function Standard with three-phase voltage and current harmonic measurement (2 to 32 times). Standard 8 time periods, 4 rate statistics functions (multi-rate function) RS485 com interface, Modbus RTU protocol or TCP/iP (optional).
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