DDSY3666 Single Phase Prepaid Meter CE Certificate
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DDSY3666 Single Phase Prepaid Meter CE Certificate

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Ⅰ. Applications, Features and Sphere of Application

Main features: Application of computer management, power utilization after purchasing power; limitation of maximal service power within the rated current range (prescribed by power supply department); one card only for one watt-hour meter, no electricity interruption even with the loss of the card and ensuring the power continuation after the re-registration; bilateral transmission of data and automatic power- cutting off to warn users to purchase power ; automatic switch-off operation when the electric quantity hits zero ; certain software design of anti-electricity-theft and so on .


Installed in the watt-hour meter boxes indoors or outdoors, the    DDSY3666 serial of electronic watt-hour meters apply to active power meter of frequency of 50HZ or 60HZ. Its ambient temperature ranges from -10℃ to 50℃ and its relative humidity is no more than 85%. It should stay away from the influence of corrosive gas, dust, salt mist and condensation.


Ⅱ.  Specification and Main Technical Parameters

1.Specification

Type

Accuracy

Basic current

Display Mode

Interface Mode

DDSY3666

1,2

5(20)A

LED

LCD

Pulse

1,2

10(40)A

1,2

15(60)A

2.  Intrinsic error

Load Current

Power Factor

Intrinsic Error(%)

Class  1

Class 2

0.05Ib

1.0

±1.5

±2.5

0.1Ib-Imax

1.0

±1.0

±2.0

0.1Ib

0.5L   0.8C

±1.5

±2.5

0.2Ib-Imax

0.5L   0.8C

±1.0

±2.0


Note: Ib to be basic current, Imax to be rated maximum current


3.Starting current:

 Under the conditions of the rated voltage, rated frequency and power, meter class I starts at 0.004Ib, meter class II starts at 0.005 Ib.


4.Watt-hour meter running without load: 

 When the line circuit of the watt-hour meter does not have current, and the line circuit has 115% rated power, the output pulse will not be more than one.


5.Power dissipation≦2W、10VA

Ⅴ.  Outline Drawing



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