DTSD178 smart energy meter is designed and manufactured on the basis of stable power supply technology, and has adopted the advanced large-scale integrated circuits technology, experienced software algorithms, low power consumption design and SMT process according to the requirements of international standards. The product is characterized by integrated functions of metering, display, communication, detection, etc. It provides with functions of metering the import and export active energy, the reactive energy of four quadrants and demand by time period accurately; metering voltage, current, active and reactive power, power factors, etc. of three phases; detecting and recording over/low voltage, over current, etc.; performing the function of remote and local meter reading, programming, etc. It is widely used in grid gateway, power plants, substations, comprehensive energy measurement and management of enterprises and institutions and TOU metering for industry users.

? 0.2s Class High Accuracy/Neutral measure 

? 3P4W/3P3W automatically running

? Plug and play modular design（PLC/RF/GPRS/3G/LTE）

? Multi-rate electric energy and maximum demand calculation

? Rich auto display, push-button display, high resolution display items

? High precision RTC clock and calendar

? Powerful anti-tampering function

? High-capacity storage for curve data, event recording, etc. 

? AMI interconnection design, remote firmware upgrade

? Provide IEC/DLMS/KEMA certification