● Support UIU

● TOU

   Four tariffs; two sets of time zone tables; two sets of time period tables; support public holidays and weekends.

● Step tariffs

● Friendly power supply

   Support emergency credit

● Events logs

   Detecting and recording events such as current reverse, magnetic influence, phase bypass, meter cover open, terminal cover open, overvoltage and under voltage, etc.

● Anti-tamper

   Detecting current reverse, magnetic influence, phase bypass, meter cover open, terminal cover open, etc., at the same time, the meter can disconnect power supply which is configurable when the tampers occur.

● Audio and visual alarm

   Audio and visual alarm which can be configurable can be for power flow reverse, magnetic influence, phase bypass, meter cover open, terminal cover open, etc.

● Load control

   Detecting the customer’s load status, it can alarm or disconnect the load when overload.

● Communication interface

   Optical port and RS485 interface are available; PLC, RF, GPRS and twist-wire interface are optional.

● UIU communication interface

   PLC, RF and twist- wire are optional.

IEC62052-11, IEC62053-21, IEC62053-23, IEC62055-31, IEC62055-41, IEC62055-51

DDZY217 (KP1-1) Single Phase STS Keypad Prepaid Meter has the functions such as metering, monitoring, alarm, display, communication and load control, etc. It adopts STS standard encryption algorithm to exchange the information based on TOKEN. Advantages of the meter are high metering accuracy, high level security, strong compatibility, easy operation, etc.