Power meter
SFERE 720 XQL is a high-precision multifunction power quality analyzer. Boasting 0.2S accuracy, RS485 (Modbus-RTU) communication, 2-63rd harmonics analysis, and 8MB data logging, it’s ideal for industrial energy management and remote power monitoring.
Features
Measuring
V / A / P / Q / S / PF / F
Demand
Max. / Min. Value
Load profile
Energy Metering
Bi-directional energy
Four-quadrant reactive energy
Tariff energy
Fundamental energy
Power Quality
Harmonics up to 63rd
Sequence component
Unbalance
Crest factor and K factor
Phasor diagram
Functions
Communication
Modbus-RTU
Modbus TCP
Profibus-DP
Accuracy
Active energy: 0.2S
Voltage: 0.1%
Current: 0.1%
Data Log
Demand record
Max. / Min. value record
Off-limit record
SOE record
Advantages
-High-precision energy metering
-Comprehensive power quality analysis
-Bi-directional & four-quadrant energy metering
-8MB built-in memory
-Standard RS485 (Modbus-RTU)
-Flexible optional modules
-Clear LCD display
-Panel-mounted compact design
Certificates
Compliance:
CE, RoHS, REACH
Standards:
IEC 60068-2-30, IEC 61000-4-2/3/4/5/6/8/11, IEC 62503-22 (class 0.2S), IEC 62053-23, IEC 61010-1:2001
Specification
| Display mode | Sfere 720 XQL: LCD | |
| Accuracy | V/A | 0.1% |
| P/Q/S/PF | 0.2% | |
| F | ±0.01Hz | |
| ±kWh | Class 0.2S | |
| ±kvarh | Class 2 | |
| Voltage input | Rated value | AC 3*230/400V 3*100V etc |
| Overload | Continuous: 1.2Vn Instantaneous: 2Vn/10s | |
| Burden | ≤0.1VA(per phase) | |
| Impedance | 4MΩ | |
| Frequency | 45Hz～65 Hz | |
| 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/DC 80~270V 50/60Hz |
| Consumption | ≤5VA | |
| Communication port | RS485, Modbus-RTU, 2-wire, up to 38.4kbps | |
| Energy pulse output | 1 optocoupler output, pulse width (80±20%)ms | |
| Digital input | 2 AC230V inputs, Isolation: 5000V AC | |
| Relay output | 2 relay outputs,contact rated at AC 5A/250V or DC 5A/30V(AC 1), isolation: 2000V AC |
|
| Ambient condition | Operating temperature | -25℃-70℃ |
| Relative humidity | ≤93% | |
| Altitude | ≤2500m | |
| Insulation | ≥2kVAC | |
| IP degree | Front IP54, Rear IP20 | |
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