Single Phase Prepaid Type Keypad Energy Meter DDSJ480
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
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