1.Brief Introduction

DDSY480 series electronic energy meter used for 50Hz or 60Hz active metering power,installed 

indoor or in outdoor meter box.its temperature is between -10⁰C to +50⁰C, relative humidity is not exceed 85%, and there is not putrid gas, in the same time,it should avoid the effect of dust sands,salt folk,

dew,etc.

2.specification:

-Fully STS compliant

-Secure data transfer with 20 digit STS encryption

-Easy to use and pay

-Programmable power limit

-Emergency credit & friendly credit

-Recall of last 10 tokens entered

-Programmable audible low credit warning

-Tamper detection and event record

-Keypad with audible feedback when input the digit and successful and failure credit

-Optical communication port

-IP54 rating protection

-Meter provides valuable information to help consumers effectively manage and budget their electricity consumption

-Earth Leakage Protection

-Overvoltage Withstand

-EMC Compatibility