Instantaneous value measurement and display (kW,V,A)
Unidirectional or bi-directional measurement (configurable)
Total active energy register and reverse active energy register
Internal RTC(optional)
LCD backlight (optional)
Cover open detection and record(optional)

Items	Contents
Technical standards	ANSI
Accuracy	Active: Class 1
Nos. of wires	2or3
Reference voltage	120V/127V/220V/230V/240V
Current	TA:15A, 20A or 30A
Reference frequency	50 or 60 Hz
Operation voltage range	0.8Un ~ 1.2Un
Limited operation voltage range	0.7Un ~ 1.3Un
Operation temperature	-25℃ ~ +60℃
Limited operation temperature	-40℃ ~ +70℃
Type of installation	Socket
Life time	15 years