General DTSD546/DSSD536 series Three-phase Static Multi-function Energy Meter, designed to satisfy industrial demand, adopts LSI, digital sampling technology and SMT process. It features stable capability, high precision and easy operation. The product conforms to all technical requirements specified in IEC687 , IEC1268 and IEC1107 . The meter has the functions of measuring active / reactive energy and demand in all directions, RS485 port communication, manual and infrared waking up during power break, load record and so on. 2 Functions 1) Active and reactive energy measurement 2) Energy consumption record of every month 3) Max demand record 4) Multi-tariff energy measurement 5) Voltage loss record 6) Bypass current record 7) Over voltage record 8)Demand load curve record 9) IEC1107 Infrared communication 10) Single RS485 port communication 11) Reading during power break 12) Waking up during power break 13) Infrared waking up 14) Remote output 15) 1Hz second signal output 16) Data scroll display or key display 3.1 Basic parameters Applicable standard IEC 687, IEC 1268, IEC 1107 Accuracy class Active: Class 0,5S Reactive: Class 2 Reference frequency 50Hz Potential With anti-potential logic design Starting current Active: 0.001In (transformer connected) Reactive: 0.003In Service life 10 years Outline dimension 278mm?174mm?77mm Installation size 241X150mm Net Weight 2.5kg Gross weight 2.8kg Carton weight (4 pieces) 12kg 3.2 Electric parameters Normal working voltage 0.9Un~1.1Un Limit working voltage 0.75Un~1.15Un Voltage circuit power consumption <2W or. 5VA Current circuit power consumption <1VA Voltage of battery for data storing 3.6VDC Voltage of battery for data reading 6.0VDC 3.3 Tariff working parameters Clock accuracy Daily error less than 0.5s (230C) Battery capacity >1000mAh Data storing time after power break >10 years (using new battery) 3.4 Climatic conditions Normal working temperature -200C ~+450C Limit working temperature -300C ~+600C Storage and transport temperature -400C ~+700C Storage and transport humidity <85% 3.5 Technical parameters Tariffs 4 Time periods 10 Display LCD Communication baud rate 300bps~9600bps Communication method Direct local data exchange Communication Protocol IEC1107 4.Specifications Three-phase four-wire DTSD546 Three-phase three-wire DSSD536 Reference voltage: 3X220/380V 3X57,7/100V (four-wire) 3X100V(three-wire) Basic (maximum) current: 3X1,0A, 3X5,0A; 3X1,5 (6) A, 3X3(6) A; 3X5 (20) A, 3X10(40) A, 3X15 (60) A, 3X20 (80) A, 3X30 (100) A