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● Multifunction: It can measure the active energy and maximum demand. It is with the function of multi-tariff and the anti-tamper. It can be with Infrared Port or RS-485 for communication, etc..

● Multirate: 4 tariffs; 8 yearly time zones; 4 sheets of period of time; 12 daily periods of time; 12 festival and holidays; Weekly rest days.

● High accuracy: Adopting the high quality specializing metering chip; Reliable errors; Good linear; No need for calibration for a long term service.

● Stability and reliability: Wide range of operating voltage; Strong ability to withstand the disturbance and overloading.

● Long lifetime: Adopting the advanced SMT manufacturing craft; High quality long lifetime of main components.

● Low Power Consumption: Adopting the best design; Low self power consumption.

● Events log: Records of starting the meter, setting the clock, resetting the maximum demand and programming the meter etc.

● 12 months' quantities of electricity: Records of the total quantities of electricity, the quantities of electricity of 4 tariffs and the others relevant quantities of electricity over the 12 months.

● Communication function: It can be with Infrared port for communication. Programming and meter reading on site can be done by using the infrared hand held unit(HHU) ; RS485 is also can be available on request.

● Control of energy consumption(option): Adopting the magnet-keeping relay; The valid control of power on or off; Stable operation.

● Tamper and fraud protection: Bidirectional measurement; With the protection function of the short circuit, the reversal connection of phase wire and neutral wire, and the neutral wire connecting to the earth.

IEC62052-11; IEC62053-21; IEC62053-22; IEC62053-23

DDZY217 (S18-1) Single Phase Multifunction Electronic Energy Meter is used not only for measuring the single phase a.c. active energy, but also for measuring the Maximum Demand, and it can be with Infrared port or RS485 for communication, and it is also with the function of multi-tariff and the anti-tamper, etc.. It adopts the high quality long lifetime components and SMT manufacturing craft, and is reliable in performance. It conforms to the standards of IEC 62053-21:2003, IEC62052-11:2003 and IEC62056.