Sfere720 powerline display PQA energy analyzer power quality monitoring device
Negotiable
Min.Order:1
Jiangsu Sfere Electric Co., Ltd.
Sfere720C LCD modbus/profibus tariff multifunctional power meter data logger
Sfere700 series RS485 communication multi-circuit power monitoring device
Sfere700-D1 TFT display touch button compact design multi channel power meter
Ethernet GPRS WiFi optional modules meter 3 phase power data logger
Power quality analysis multi functional digital panel meter power monitoring system
Display Mode | Sfere 720: LCD, Sfere720:TFT | |
Accuracy | V/A | 0.2% |
P/Q/S/PF | 0.2% | |
F | ±0.01Hz | |
±kWh | Class 0.2S | |
±kvar | Class 2 | |
Voltage Input | Rated value | AC 100V/ 380V |
Overload | Continuous: 1.2Vn Instantaneous: 2Vn/1010s | |
Burden | ≤0.1VA(per phase) | |
Impedance | ≥1.7MΩ | |
Frequency | 45Hz~65Hz | |
Current Input | Rated value | AC 1A/5A |
Overload | Continuous: 1.2In Instantaneous: 2In/5s | |
Burden | ≤0.2VA(per phase) | |
Impedance | ≤20mΩ | |
Auxiliary Supply | Working range | AC 80~270V 50/60Hz, DC 100~350V |
Consumption | ≤5VA | |
Communication Port | RS485, Modbus-RTU, 2-wire, up to 38.4kbps | |
Energy Pulse Output | 1 photocoupler output, pulse width(80±20%)ms | |
Digital Input | 2 AC wet contact inputs, Isolation: 5kVAC | |
Relay Output | 2 relay outputs, contact rated at AC 5A/250V or DC 5A/30V, Isolation: 2kVAC | |
Environment | Operating temperature | -25℃~70℃ |
Storage temperature | -30℃~80℃ | |
Relative humidity | ≤93% | |
Altitude | ≤2500m | |
Insulation | ≥2kVAC | |
IP Degree | Front IP64, Rear IP20 |