LCD Display Power Quality Monitoring Equipment Digital Energy Meter for Voltage
Feature
Measure three-phase AC voltage or DC voltage with high-precision.
Provide LED display and local data query.
Programmable voltage transformation ratio.
Support RS-485 communications and Modbus-RTU protocol.
Support switch input, switch output and analog output.
Power supply: AC / DC 85V~270V, AC 100V, AC 400V
There are various choices of dimensions to meet the requirements of different electrical circuit enclosure.
Technical
| Performance | Parameter |
| Input Measuring Display | Net | 3P3W, 3P4W |
| Voltage | Rated | AC 100V, 400V |
| Overload | Continue: 1.2 times; Instantaneous: 10 times/10s |
| Consumption | < 1VA (each phase) |
| Impedance | ≥ 500kΩ |
| Accuracy | RMS measuring, class 0.5 |
| Current | Rated | AC 1A, 5A |
| Overload | Continue: 1.2 times; Instantaneous: 10 times/10s |
| Consumption | < 0.4VA (each phase) |
| Impedance | < 2mΩ |
| Accuracy | RMS measuring, class 0.5 |
| Frequency | 40~60Hz, accuracy 0.1Hz |
| Power | Active, apparent CL 0.5, Reactive CL 1.5 |
| Energy | 4 quadrants measuring, active energy CL 1.0, reactive energy CL 2.0 |
| Display | Programming, switching, circle(LED) displaying |
| Power Supply | Working Range | AC/DC 85~270V |
| Consumption | ≤5VA |
| Output | Digital Interface | RS485, MODBUS-RTU protocal |
| Pulse Output | 2 ways energy pulse output, optical coupled isolator |
| Switching Value Input | 4 ways switching value input, dry contact (optional) |
| Switching Value Output | 4 ways switching value input, photoMOS relay (optional) |
| Analog Output | 4 ways analog output, 4-20mA/0-20mA (optional) |
| Environment | Working Environment | -10~55℃ |
| Storge Environment | -20~75℃ |
| Safe | Withstand Voltage | Input/power supply >2kV, input/output >2kV, power supply/output >1kV |
| insulation | Input, output, power supply to case >50mΩ |
