Main technical parameter
|
Type |
Nominal current (A) |
Accuracy level (class) |
Reference frequency (Hz) |
Environment temperature |
Relative humidity |
Interface mode |
Reference voltage
(V) |
|
DDSY1666 |
2.5(10)
5(20)
10(40)
15(60)
20(80)
30(100) |
1.0 |
50 |
10℃~＋50℃ |
≤85% |
RS485 |
220 |
Application
DDSY1666 single-phase electronic prepaid watt-hour meter measures electric energy with the help of micro electronic technology. It’s able to collect process and preserve the data by the advanced SCM process system.
Structure:
l Computer control,
l Purchase electricity before using
l Able to limit max service power in the rated current range
l One meter with one card
l Card lost, electricity not lost
l Reuse electricity by renewing card
l Transmit data by card
l Power switched off automatically when the card shows zero
l Anti-thieving electricity