Energy Meter & Current Transformer
Three Phase Wi-fi Multi-function Solar Pv /zero Export Meter For Pv Metering Eastron SEM3-WL
- Multi-parameter measurements
- Accuracy Class B active energy
- Wi-Fi & RS485 Modbus RTU
- 2 measurement modes
- Easy connection solution
- Compact design
- Support 1x3P or 3x1P load measurements
- Package includes 3pcs current transforments
- Phase sequence error warning
|
Electrical Characteristics |
||
|
Type of Measurement |
RMS including harmonics on three phase AC system (3P, 3P+N) |
|
|
Measurement Accuracy |
Power |
l±1% EC 61557-12 Class 1 |
|
Active Energy |
±1% |
|
|
Reactive Energy |
±2% |
|
|
Frequency |
±0.2% |
|
|
Current |
±0.5% (4A~120A) ±1% (1A~4A) ±3% (0.06A~1A) |
|
|
Voltage |
±0.5% |
|
|
Power Factor |
±0.1 |
|
|
Data Update Rate |
Active power: 50mS (RS485), 100mS (Wi-Fi) |
|
|
Input-Voltage
|
Un |
3x230V(L-N)/400V(L-L) |
|
Working Voltage Range |
90 to 300 Vac L-N 156 to 520 Vac L-L |
|
|
Frequency Range |
50/60 Hz |
|
|
Communications |
|
|
Interface 1 |
RS485 port |
|
Interface 1 Protocol |
MODBUS RTU |
|
Communication Address |
1~247 |
| Transmission Mode |
Half duplex |
|
Data Type |
Floating point |
|
Transmission Distance |
1000m Maximum |
|
Transmission Speed |
2400bps~115200bps |
|
Parity |
None (default), Odd, Even |
|
Stop Bits |
1 or 2 |
|
Response Time |
＜50mS |
|
Interface 2 |
Wi-Fi |
|
Interface 2 Protocol |
MODBUS TCP |
|
Data Type |
Floating point |
|
RF Band |
2.4 GHz - 2.5 GHz |
|
Max. RF Power |
＜20dBm |
|
Wi-Fi Protocol |
802.11 b/g/n |
|
Wi-Fi Range |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
