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Mechanical Meters
Product Brief Introduction
The type DD28 watt-hour meter is a kind of inductive meter,which can be used for measuring rated frequency 50HZ ,active energy power consumption in single phase A.C electric network .It features low consumption,small volume etc. Its performance conforms to GB/T17215.311-2008 0.5,1&2.0 class static A.C active watt-hour meter .
Type
|
Accuracy
|
Rated Voltage(V)
|
Rated Current(A)
|
Overload Capacity
|
Starting Current
|
Insulation Performance
|
DD28-2
|
2
|
220~240
|
2(4),2.5(5),3(6),5(10),10(20),20(40),40(80)
|
200%lb
|
0.5%lb
|
AC voltage 2KV for 1min impulse voltage 6KVAC
|
DD28-4
|
5(20),3(12),10(40),15(60),20(80)
|
400%lb
|