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MIT300 Series Insulation Resistance Testers – Megger


The new MIT300 Series features a large display and hands-free operation. The tough, rubber-armored case is designed for rough handling and weatherproof to IP54. A rigid cover folds up to protect the front panel when not in use. Intelligent safety features include:

  • Safety Interlock – prevents unsafe connection of test leads
  • Safe contact detectors – the tester will remain safe and not be damaged if connected to a live circuit while on a continuity setting.
  • Live voltage warning – alerts when the circuit voltage is >25V.
  • Safety lockout – inhibits test when the circuit voltage is >50V.
  • Continuity check – prevents a continuity test on a live circuit.

Each model includes a 200mA continuity test function and a continuity buzzer. All models except the MIT300 measure DCV & ACV (50/60Hz) to 600V. The MIT330 adds memory for storing 1000 test results and a USB interface.

Catalog Page 156                                  Megger-MIT300-DS

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Item # Model Test Voltage (V dc) Insulation Resistance Resistance
ME/MIT300-ENMIT300250, 50010 kohm – 999 Mohmnone
ME/MIT320-ENMIT320250, 500, 100010 kohm – 999 Mohm with limit alarm0.01 – 99.9 ohm
ME/MIT310-ENMIT310250, 500, 100010 kohm – 999 Mohmnone
ME/MIT330-ENMIT330250, 500, 100010 kohm – 999 Mohm with limit alarm10 ohm – 999 kohm
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