DTZY8888 Phase four-wire control smart meter charges(State Grid Table)
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◈Overall and installation dimension
DTZY8888-phase charge-controlled intelligent energy meter is the use of large scale integrated circuits, application of digital sampling technology and SMT technology, instruments with modern advanced level of manufacturing according to industrial users of electricity situation actual design.
The table performance indicators in line with GB / T 17215.321-2008 "AC measuring equipment - Specific requirements - Part 21: 1 and 2 static active energy meter", GB / T17215.322-2008 "AC measuring equipment - Specific requirements - Part 22: 0.2S and 0.5S grade level static active energy meter ", GB / T17215.323-2008" AC measuring equipment - Specific requirements - Part 23: 2 and 3 static reactive energy "and DL / T 614-2007 "Multi-meter" and other standards, in line with its communication DL / T645-2007 "multi-function meter communication protocol" requirement, and is compatible with the requirements of "multi-table communication protocol" DL / T645-1997, can be customized according to the needs of the function comply with the technical requirements for multifunctional energy meter.Security and integrity of the sale of electricity and energy meter system master data exchange by strict safety certification for security, safety certification involving data structures and operational processes in line with Q / GDW 365-2009 "smart meter information exchange security authentication technology norms "of the technical requirements for cost control meter.
● Built-in high speed and precision ac voltage and current acquisition module, high sampling accuracy, accurate real-time energy metering;
● Can hourly metering combined active power, positive and negative active energy and demand, the combination of reactive power, four-quadrant reactive power, and has 485, infrared communications and other functions;
● Embedded highly confidential ESAM module for secure authentication process between the meter and the system master to ensure the master station and system security and integrity of data interaction;
● Excellent electromagnetic compatibility, can withstand high voltage spikes, strong magnetic field, strong static electricity, lightning surge interference, and has a strong temperature adaptability;
● When the three-phase power supply (ie line-powered mode), the three-phase three-wire in any one phase or three-phase four-wire any two-phase power, power meter can still work properly;
● In case of loss of AC power, the meter data to maintain and sustain a clock chip work;
● Low power consumption.
▷The main technical parameter