Product Main

Specifications

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