General
SFERE720/Sfere720C is equipped with electrical variable measurement, energy metering and power quality analysis functions. SFERE720/Sfere720C also can be extended with I/O modules for monitoring and controlling equipment at field, realizing system integration with different smart electricity distribution system and energy management system, and sharing monitoring data and energy data.
Features
Networks TN,TT,IT networks
Appearance and accuracy -LCD display. -Active energy accuracy:0.5S. -Voltage accuracy:0.1%. -Current accuracy:0.1%
Measuring -Fundamental V/A/P/Q/S -Demand -max./min. Value -Load profile
Data record -Demand record -max./min. Value record -Off-limit record -SOE record
Communication -Modbus-RTU -Modbus-TCP -Profibus-DP
Power quality -Voltage/current THD -Harmonics up to 51st -Unbalance -Sequence component and phase position of voltage and current -Crest factor and K factor -Waveform display -Flicker -Transient (Only Sfere720)
Energy metering -Bi-directional energy -Four-quadrant reactive energy -Tariff energy -Fundamental energy
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
