Detailed Product Description

DDS44 Series Single Phase Static Energy Meter is designed with special energy measurement chip, digital sampling and SMT Technology. With high reliability, low power loss and long service life etc, it can be used to measure single phase a.c active energy at 50Hz.

DDS44 Series Single Phase Static Energy Meter can be installed indoors or outdoors with cabinets. Operating climatic temperature ranges from -40 to +60, and relative humidity is equal or less than 75%.

DDS44 Series Single Phase Static Energy Meter conforms to CEI IEC62052-11-2003 Electricity metering equipment (a.c.) General requirements, tests and test conditions Part 11: Metering equipment; CEI IEC62053-21-2003 Electricity metering equipment (a.c.) Particular requirements Part 21: Static meters for active energy (classes 1 and 2) equipment and DL/T645-1997 Multi-function communication protocol.

  

Functions and Features

Positive active energy measurement

Active energy LED indication, Test impulse output (impulse width 80±20MS)

Excellent error linearity within 5%Ib~Imax

Register display: DDS44, DDS44W1, DDS44M1

LCD display: DDS44M

RS485 port: DDS44M, DDS44M1

Current energy consumption, Meter ID, Status word etc can be read via RS485 port. Meter setting is allowed via RS485 port

 Technical Specifications

 

Items	Technical Parameters
Rated voltage	220V
Basic current	1.5(6)A, 2.5(10)A, 5(20)A,5(30)A,10(40)A,15(60)A, 20(80)A
Start current	0.4%IbCL1.0; 0.5%IbCL2.0
Frequency	50Hz
Accuracy	CL1.0/2.0
Running with no load	Yes
Power burden	≤1W/6VA
Normal operating temp.	-30~+55
Limit operating temp.	-40~+70
RH	≤75%
Dimension	DDS44/DDS44W1156mm×118mm×50mm
	DDS44M/DDS44M1145mm×113mm×54mm