Single Phase Static Multi-Rate Energy Meter

1. Summary DDSF51-J Single Phase Static Multi-rate Energy Meter is designed for AMR system with professional energy measurement chip, mature multi-rate, digital sampling and SMT Technology. It can measure energy consumption in TOU, LCD display, built-in relay, RS485 port, impulse output etc. Its outstanding feature is the changeable communication module which can match different communication way in different AMR system. DDSF51-J Single Phase Static Multi-rate Energy Meter can be installed indoors or outdoors with cabinets. Operating climatic temperature ranges from -40 to +70, and relative humidity is equal or less than 75%. DDSF51-J Single Phase Static Multi-rate Energy Meter conforms to CEI IEC62052-11-2003 Electricity metering equipment (a.c.) General requirements, tests and test conditions Part 11: Metering equipment; CEI IEC62053-21-2003 Electricity metering equipment (a.c.) Particular requirements Part 21: Static meters for active energy (classes 1 and 2) equipment; CEI IEC 62056-21-2002 Electricity metering - Data exchange for meter reading. tariff and load control - Part 21: Direct local data exchange. 2. Functions and Features 2.1 Active energy measurement; No calibration is needed during long working period 2.2 Large Scale Integrated Circuit and SMT technology 2.3 Professional energy measurement LSI with digital multiplier built-in to extend dynamic operating range remarkably 2.4 Excellent error linearity within 5%Ib Imax 2.5 Built-in high power relay to switch on/off remotely 2.6 MID Certificate: product manufacturing and quality control conforms to EU market requirements 2.7 Match different AMR system easily and seamlessly to achieve prepayment function via network 2.8 Wide operating temperature range-40 +70 3. Technical Specifications Items Technical Parameters Rated voltage 230V Basic current 5(65)A Start current 0.4%IbCL1.0; 0.5%IbCL2.0 Frequency 50Hz Accuracy CL1.0/2.0 Running with no load Yes Power burden ≤1W/6VA Normal operating temp. -30 +55 Limit operating temp. -40 +70 RH ≤75% Dimension 190mm×129mm×65mm