CONFORMED STANDARD
EC62052-11/21
IEC62053-21
IEC62056-21
FUNCTIONS:
Measure forward,reverse active energy and accumulate active energy in the same direction.
Purchase electricity in advance of using, allowed to overuse certain amount energy.
LCD display accumulative energy and remaining energy.
Automatically cut off electricity under overload condition.
FEATURES:
A household with one meter, one meter with one password, high security with counterfeit-proof function.
Three level alarm remind user of purchasing electricity.
Low power loss and high reliability.
Hunt-proof logic IC without shunting.
PARAMETERS:
Model |
DDSY720 | |
CLASS |
1.0 | |
Display |
LCD | |
Rated Voltage |
220V-240V | |
Rated(Max.) Current |
2.5(10)A,5(20)A,5(30)A,10(40)A, 20(80)A,10(100)A | |
Power
Loss |
V Circuit |
<1W/4VA |
I Circuit |
<1VA | |
Working Temperature |
-25~55℃ | |
Limited Temperature |
-40~70℃ | |
Relative Humidity |
≤85% | |
Voltage Range |
0.7Un~1.3Un | |
Reference Frequency |
50Hz/60Hz | |
Start Current |
0.004Ib | |
Clock Error |
≤0.5s/d(23℃) | |
Dimension |
155mm×108mm×58mm | |
New Weight |
Approx 0.8kg |