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【Overview】

Adopting advanced integrated circuit design and manufactured with advanced SMT and re-flow soldering technology, single phase local tariff control smart meter DDZY1122C-Z has the features of accuracy, high overload, low power consumption and strong capability of resisting disturbance. And the meter was equipped with infrared palmtop, RS485, power line carrier communication connection, which can ensure the customer program, timing and reading the meter by themselves.

【Function overview】

* Store the latest 12 months active power forward direction overall, peak, smooth, valley electric quantity and active power total electric quantity.
* Save latest 62 hours null point freeze data and 96 integral point freeze data; save latest 2 time zones, time interval records and appointed freeze record;  save latest 3 instant freeze records. 
* Broadcast timing function: the gap between electric meter clock and timing clock within 5 minutes can broadcast timing; otherwise the electric meter would not response. Broadcast timing can check once per day. 
* Built-in clock chip, multi-tariff, which can support 14 time intervals.
* Events recording function: record program, timing, reset, open meter cover, power down, switch out, switch on recording.
* Automatic settling account function: can set the settling account by management system.
* Freeze function: freeze at fixed time, instant freeze, convention freeze, daily freeze, integral point freeze
* Tariff control smart: the electric meter has time division electrovalence and stepwise tariff, which can switch over by the setup.
* Alarm function: set up the alarm amount to remind the user to purchase electricity in time, preventing the unnecessary troublesome to users. 
* Overdraw function: after user consumed the purchased amount but hasn’t purchase more in time, he is allowed to overdraw some amount.
* Preventing corner function: when the electric meter balance amount is more or equal to the recharge threshold amount, it won’t allow this purchased amount.
* Remote power on & outage control function.
* Problem self test function.
* Battery under voltage test function.
* Have the auto cycle display status and keypad page turning display status. 
* Have backlight big screen character s estive LCD display.
* Can display when power out and activation by the page turning key.
* Telecommunication function: infrared, RS485 and power line carrier telecommunication function.