Single-phase Static Multi-function PLC Meter
DDS28u single-phase electronic multi-functio n PLC wat t-hour me ter is designed to measure household electric energy with time-of-use(TOU)function. The meter realizes AMR and remote load control by infrared or PLC communication. With built-in relay and anti-tampering function, this meter is an ideal choice for residential electricity users.

Basic function
LCD Display
Bi-directional TOU active energy measurement
Pulse LED indicates working of meter
Pluse output with optical coupling isolation
Energy frozen daily and monthly
Demand measurement
Infrared and PLC communication
Anti-tampering function
Over load alarm
Built-in relay

Optional function
Event log
Synchronizing clock time adjustment
Clock temperature compensation
Failure alarm
Technical Date

Applicable standards	IEC 62053-21
Accuracy class	Class 1
Working temperature	-30℃~+65℃
Working voltage range	0.7~1.2Un
Clock accuracy	Error less than 0.5s/day
Power loss	Less than 2W or 10VA
Outline dimension L×M×H	164×112×71mm
Installation dimension L×M	140×96mm
Weight	Approx.0.7kg

Specifications

Rated voltage(V)	110V, 120V, 220V, 230V, 240V
Reference frequency	50Hz or 60Hz
Basic current (Maximum current)A	2.5(10)	5(20)	10(40)	20(80)
	2.5(15)	5(30)	10(60)	20(100)
	Other customized specifications