Single-Phase Electronic Energy Meter

 

1. Summary:

Adopt ADE7755 chip, feature in simple design structure, convenient installation, good error linearity, real overload capacity reaches at 10Ib, possess RS485 and infrared communication interface, control relay brake by two interfaces, mainly apply in common residential areas.

2.  Function and Features:

Measure Function: Electricity computations, positive and negative electricity consumption, reverse power number into positive power;

Historical Electricity: The meter saves electricity amount at 0 o’clock at 1^st in every month automatically as power amount in last month and save the nearest 3 months data, saves electricity amount at 0am in each day and seven days of data.

Display/Indication Function: LCD display with background light, display function during power off, trip alarm indication function (optional), without any meaning when there is not trip function.

Output Function: Test pulse signal output; own second signal output

Communication Function: RS485 and infrared communication interface, control relay brake by instruction released by two kinds of interfaces.

3.  Main Technical Indexes

Item	Technical Indexes
Reference Voltage	220V
Current Specs	5(20)A,5(30)A, 5(40)A,10(40)A,15(60)A,20(80)A
Reference Frequency	50 Hz
Accuracy Level	1.0, 2.0
Storage Temperature	-40℃～+70℃