Products description

A. Summarize      

DDS949 Single-phase LCD-display electronic meter uses large-scaled integrate circuit, SMT technics, world-famous branded long-life components and 5+2 digits wide temperature LCD display, protect the data against losing when power off, can measure 50Hz~60Hz single-phase AC active power consumption accurately. Meets the standard of GB/T17215-2002 (idtlEC61036 international standard). Good reliability, anti-tampering, wide load, low consumption, high accuracy, good anti-disturbance performance and working for long time without calibration.

B. Main function and characteristic

1). Can accumulate both direct and reverse consumption accurately.

2). Has separate LED photo-emitter and electrical impulse outputs to show power consumption.

3). Good reliability, anti-tampering, wide load, low consumption, high accuracy, good anti-disturbance performance and working for long time without calibration.

4). LCD display shows data visually.

5). Can offer RS485 and infrared communication according to customer's requirement.

C. Technical parameter

Class	1 or 2
Voltage circuit consumption	≤1W & 6VA
Reference voltage	110V, 120V, 220V, 230V, 240V
Basic current (rated max, current)	2.5(10)A, 5(20)A, 5(30)A,  10(40)A, 10(60)A, 15(60)A
Limited working temperature	-30℃～+65℃
Relative humidity	≤85%
Standard	The standard of GB/T 17215-2002《Class 1 and Class 2 static AC active meter》idt IEC61036
Other technical parameter	Impulse width 80ms±20ms