Megger MPRT8445 Three Phase Protective Relay Test System
The MPRT8445 is a multipurpose, light-weight, field portable test set. The unit is capable of testing a wide variety of electro-mechanical, solid-state and microprocessor-based protective relays, small molded case circuit breakers, motor overload relays and similar protective devices.
Features
- New Smart Touch View InterfaceTM (STVI)
- New multi-colored graphics with intuitive navigation
- New enhanced dynamic test capabilities
- New built-in test report generator
- New high current output – 45 Amps at 300 VA per phase
- Improved low current accuracy – currents below 100 mA
- New convertible voltage channels – 15 Amps at 120 VA
- New lighter weight unit – up to 15% weight reduction
- Open communication architecture for use with third-party software programs
Specification
| Input Power |
90 to 264 Volts AC, 1ø, 50/60 Hz, 1800 VA. |
| AC Voltage Amplitude |
| Accuracy: |
±0.05 % reading + 0.02 % range typical, ±0.15 % reading + 0.05 % range maximum |
| Resolution: |
.01 |
| Measurements: |
AC RMS |
| Ranges: |
30, 150, 300V |
| AC Current Amplitude |
| Accuracy: |
±0.05 % reading + 0.02 % range typical, ±0.15 % reading + 0.05 % range maximum |
| Resolution: |
.001/.01 |
| Measurements: |
AC RMS |
| Ranges: |
30, 60A |
| DC Voltage Amplitude |
| Accuracy: |
0.1% range typical, 0.25% range maximum |
| Resolution: |
.01 |
| Measurements: |
RMS |
| Ranges: |
30, 150, 300V |
| DC Current Amplitude |
| Accuracy: |
±0.05 % reading + 0.02 % range typical, ±0.15 % reading + 0.05 % range maximum |
| Resolution: |
.001/.01 |
| Measurements: |
RMS |
| Ranges: |
30A |
| Convertible Source in AC Current Mode |
| Accuracy: |
±0.05 % reading + 0.02 % range typical, ±0.15 % reading + 0.05 % range or ±12.5 mA whichever is greater |
| Resolution: |
.001 |
| Measurements: |
AC RMS |
| Ranges: |
5, 15A |
| Total Harmonic Distortion |
Less than 0.1% typical, 2% maximum at 50/60 Hz |
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