Model Number: DDSY283SR-C Brand Name: Holleyintl Key Specifications/Special Features: ApplicationThe DDSY283SR-C single phase AMM meter has advanced security features, modular communication and optional disconnecting functionality, which is ideal for smart grid. The meter has the advantages of easy installation and system set-up, reliable operation and various communication (PLC/GPRS) choices and carefree maintenance to create the perfect solution for AMM system.FeaturesMeasurement of active (kWh), total/separated energy registers for import and exportTime-of-use metering with up to four tariffs and customized billing cycles

Precision internal real time clock (RTC) with backup long-life Li-battery

Polycarbonate case and IP54 protection

Nonvolatile memory for energy data

Large-character LCD information auto-scrolling display

Independent sealing of the meter body and terminal cover

Reverse energy flow detection with LCD alarm indicated

Immune to external magnetic interference, alarm in the display when detect the interference

Two communication channels. Local-and remote-reading ports.

PLC/GPRS modules for remote integration in advanced metering systems

Data readout by optical port according to IEC 62056-21 (IEC61107 protocol support)

DIN-SO pulse output for KWh, high-light LED indicated for accuracy test