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Overview
PMC180NS three-phase network power meter is a multifunctional meter without LCD operation panel. It adopts low power dissipation microprocessor, can measuring complete power parameter, energy measurement, and 31 order voltage / current harmonic analysis. It has the optional Analog output port, can match the demand of transducer function. It has RS-485 communication port and could be easily integrated to any intelligent power distribution system. PMC180N has the practical function, easy use, easy maintenance. It can use to monitor and control of the on-site equipment, supply the measuring & testing support to the power application specialist, supply the data base to the SCADA and Smart Grid, provide scientific basis for intelligent energy management.
Function Features
| Function Features | PMC180NS |
| Instantaneous real virtual value | |
| Current Single phase & neutral line | ◆ |
| Voltage Line/line & Phase/Line | ◆ |
| Frequency | ◆ |
| Active power Three-phase & single phase | ◆ |
| Reactive power Three phase & single phase | ◆ |
| Apparent power Three phase & single phase | ◆ |
| Power factor Three-phase & single phase | ◆ |
| Energy | |
| Active energy | ◆ |
| Reactive energy | ◆ |
| Four-quadrant reactive energy | ◆ |
| Power Quality | |
| Harmonic distortion Current & voltage | ◆ |
| 31 order harmonic analysis Voltage & current | ◆ |
| Phase sequence monitoring,phase angle difference, Load properties | ◆ |
| Sequence component, unbalance | ◆ |
| Current K factor | ◆ |
| Voltage peak factor | ◆ |
| Communication | |
| RS485 /MODBUS protocol | ◆ |
| Display | |
| LED display | |
| Other | |
| 2-channel DI | |
| 2-channel DO | |
| 1 channel AO:4-20Ma | ◆ |
| 2-channel limits alarm | ◆ |
| Support program online upgrade | ◆ |
| Electrical Characteristics | ||
| Measurement Type | Three-phase three-wire AC system Three-phase four-wire AC system | |
| Sampling rate: 64 times per cycle | ||
| Data refresh rate | 1S | |
| Measurement Accuracy | Current | 0.5% |
| Voltage | 0.5% | |
| Power | 0.5% | |
| Frequency | 0.05Hz | |
| Active Energy | 1.0% | |
| Reactive Energy | 1.0% | |
| AO | 1% | |
| Input voltage characteristics | Measuring voltage Allowed overload | 3 X 220/380V(connected directly) |
| 3 X 57.7/100V(connected by CT) | ||
| Input impedance | 1.2 times / continuous | |
| Measuring voltage | 1.8MΩ | |
| Input current characteristic | Measuring current | 5A or 1A (connected by CT) |
| Allowed overload | 1.2 times / continuous | |
| Input impedance | <0.1Ω | |
| 4-20mA DC output | Open circuit voltage | 15VDC |
| Load capacity | ≤500Ω | |
| Isolated voltage | 2KV | |
| Working power supply | AC | 85~265 VAC/45-65Hz |
| DC | 100~300 VDC | |
| Power dissipation | < 3W | |
| Mechanical properties | ||
| Weight | 0.5kg | |
| IP protection grade | IP52 | |
| Size | 110 X 75 X 72 mm | |
| Operating temperature | -40~70℃ | |
| Storage Temperature | -50~85℃ | |
| Relative Humidity | 5% - 90%RH, No condensation | |
| EMC | ||
| Electrostatic discharge interference | IEC 61000-4-2, Level 4 | |
| Group of anti-fast transient pulse | IEC 61000-4-4, Level 4 | |
| Anti-impact | IEC 61000-4-5, Level 4 | |
| Anti-frequency magnetic field | IEC 61000-4-8, Level 4 | |
| Electrical insulation performance | ||
| Insulation resistance | GB/T13729, >50MΩ | |
| Frequency withstand voltage | GB/T13729, AC 2KV 50Hz /1min | |
| Impulse voltage | GB/T13729, 5KV, 1.2/50us | |
