Megger MPRT8445 Protective Relay Test System

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Megger MPRT8445 Protective Relay Test System
  • Application

  • The Megger MPRT8445 is a multipurpose, field portable test set that tests electro-mechanical, solid-state and microprocessor-based protective relays, small molded case circuit breakers, motor overload relays and similar protective devices.
  • Key Features

  • New Smart Touch View Interface (STVI)
  • New high current output: 45 A at 300 VA per phase
  • Improved low current accuracy: currents below 100 mA
  • New convertible voltage channels: 15 A at 120 VA
  • New lighter weight unit: up to 15% weight reduction

Specifications
Input Power 90 to 264 Volts AC, 1Φ, 50/60 Hz, 1800 VA
AC Voltage Amplitude Accuracy: ±0.05% reading + 0.02% range typical, ±0.15% reading + 0.05% range maximum
Resolution: 0.01
Measurements: AC RMS
Ranges: 30V, 150V, 300V
AC Current Amplitude Accuracy: ±0.05% reading + 0.02% range typical, ±0.15% reading + 0.05% range maximum
Resolution: 0.001/0.01
Measurements: AC RMS
Ranges: 30A, 60A
DC Voltage Amplitude Accuracy: 0.1% range typical, 0.25% range maximum
Resolution: 0.01
Measurements: RMS
Ranges: 30V, 150V, 300V
DC Current Amplitude Accuracy: ±0.05% reading + 0.02% range typical, ±0.15% reading + 0.05% range maximum
Resolution: 0.001/0.01
Measurements: RMS
Ranges: 30A
Convertible Source in AC Current Mode ±0.05% reading + 0.02% range typical, ±0.15% reading + 0.05% range or ±12.5 mA whichever is greater
Resolution: 0.001
Measurements: AC RMS
Ranges: 5A, 15A
Total Harmonic Distortion: Less than 0.1% typical, 2% maximum at 50/60 Hz