HEXING HXE12-DL - Working Principle

User manual for single-phase meter
4
4 Working Principle
MicroControler
Measuring System
A
D
Calibration
Power Supply
Backup Supply
Data process
Time of use
Event record
Button
Signal processing
Non-volatile Memory
Optical Interface
LCD Display
RS-485 Interface or
Active Pulse output
L1
N
Il
L2
In
Back light
I1