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Specifications
DD28 single phase mechanical energy meter1.easy use and install
2.high quality and reasonable price
3.OEM offered
DD28 single phase energy meter
Product brief introduction
The DD28 type single-phase watt-hour meter is a kind of induction type meter,which is applicable to measure the rated frequency 50Hz and power loss in electrified-wire netting. The meter has novel design, rational structure and features of high overload, low power loss and long life etc
Technical Parameter
1
Basic current (lb) A
3 5 10 15 5 10 20 30
2
Maximum current(lmax) A
9 15 30 45 20 40 80 100
3
Overload capacity
300% 400%
4
Reference voltage Un
110V,120V,220V,230V,240V
5
Reference frequency fn
50Hz,60Hz
6
Power loss in voltage circuit
50Hz:≤1.3W/6VA 60Hz:≤1.1W/5.5VA
7
Power loss in current circuit
≤0.6VA
8
Running with no-load
0.8~1.1Un
9
Starting current
0.5%lb
10
AC voltage test 50Hz,1mm
2kV
11
Impulse voltage test 1.2/50µs
6kV
12
Rotor speed At lb
22r/min
13
Basic torque at lb
4×10-4N·m
14
Weight of disc
21g
15
Weoght of meter
1.6kg
16
Accuracy
Class2
Wiring Diagram
Terminal |
Note |
1 |
Inlet phase line |
3 |
Inlet neutral line |
4 |
Outgoing neutral line |
5 |
Outgoing phase line |
TYPE1
Terminal |
Note |
1 |
Inlet phase line |
3 |
Outgoing phase line |
4 |
Inlet neutral line |
5 |
Outgoing neutral line |
TYPE2
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