Main technical parameter
Electronic Prepaid Watt Hour Meter
|
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