General
Intelligent measurement and control meter PD19 series products, as a kind of advanced intelligent and digital front-end acquisition element for power grid, have rich monitoring functions and are convenient for use, and can be applied to energy management system, automatic power distribution, intelligent building, and intelligent switch cabinet。
Features

AccuracyClass 0.5S accuracy for active energy;Class 2 accuracy for ractive energy
MeasurementThree-phase voltage, three-phase current, phase separate and total active power, phase separate and total reactive power, phase separate and total apparent power, phase separate and total power factor, frequency and demand
Fundamental-wave electrical quantity measurementThree-phase fundamental wave voltage, three-phase fundamental wave current, phase separate and total fundamental-wave active power, phase separate and total fundamental-wave reactive power, phase separate and total fundamental-wave apparent power, and fundamental-wave power factor (optional)
Energy meteringBi-directional active/reactive energy, four-quadrant reactive energy, apparent energy, tariff energy (optional)
Power quality monitoringTotal harmonic distortion, 2-15 sub-harmonic content, sequence component, phase position, degree of unbalance, mean value, voltage crest coefficient, and current coefficient KInput and outputPower output pulse, RS485 communication interface, digital input, relay output and analog output
Data recordDemand record, maximum / minimum record
Multiple modules selection
Connected with different modules to extend functions. Four modules can be connected with the meter at most. Modules can plug and play at different ports