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Megger has introduced the MIT515, MIT535 and MIT1025 high-voltage insulation resistance testers, which are suitable for mains or battery operation and provide reliable results in electrical environments with noise levels up to 3mA.

The MIT515 is an entry-level 5kV test set that offers insulation resistance, timed insulation resistance, dielectric absorption ratio and polarisation index test modes.

The 5kV MIT525 adds facilities for dielectric discharge, step voltage and ramp diagnostic testing, as well as a large-capacity internal memory for storing time- and date-stamped test results, which can be recalled to the display or downloaded to a PC via the instrument’s USB interface.

The MIT1025 offers the same features as the MIT525, but is a 10kV unit.

Key product specifications

  • Compact, rugged and lightweight unit incorporating a user-replaceable rechargeable Li-ion battery
  • Provides accurate measurements up to 10 TΩ for 5kV versions and 20 TΩ for 10kV versions
  • Facilities for automatic timed IR tests and more advanced diagnostic tests
  • Provide enhanced productivity — can be used from an AC source even when internal rechargeable battery is fully discharged
  • MIT515 and MIT525 allow tests to be carried out at five pre-defined voltages from 250V to 5kV
  • MIT1025 provides pre-defined test voltages from 500V to 10kV
  • All models allow an additional user-defined ‘lock’ voltage to be set
  • Additional features include large LCD with automatic backlight, dedicated voltmeter function covering the range 30V to 660V and a Cat IV 600 V safety rating in line with IEC 61010
  • Instruments are supplied with test leads and clips as well as a user guide on CD-ROM
  • The MIT525 and MIT1025 are supplied with a copy of Megger’s PowerDB Lite software package

Megger

For 100 year Megger has been committed to making electrical measurement of low and high voltage systems more accurate and simple-to-use. It has a reputation for tough, reliable, high quality equipment.

For 100 year Megger has been committed to making electrical measurement of low and high voltage systems more accurate and simple-to-use. It has a reputation for tough, reliable, high quality equipment.

Megger offers equipment for testing breakers, protection relays and CTs, as well as transformers, earthing systems and standby batteries to the electrical generation, transmission and distribution industries. In the LV sector Megger is the market leader for the testing of building wiring to the 17th Edition of the Wiring Regulations and portable appliances.

They have recently acquired a range of water leak detectors

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