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Megger releases new 5KV and 10KV insulation resistance testers

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article image Megger insulation resistance tester
Megger  introduces a new range of high voltage insulation resistance testers (IRTs) designed for versatile performance in a compact and rugged unit.
Available in a choice of three versions, Megger’s insulation resistance testers are capable of providing accurate measurements up to 10 TΩ for the 5kV versions and 20 TΩ for the 10KV version. Settings are also provided for automatic timed IR tests and more advanced diagnostic tests including PI, DAR, DD, SV and ramp tests.
Megger’s insulation resistance testers range:
  • MIT515, an entry level 5KV test set offers insulation resistance (IR), timed insulation resistance [IR(t)], dielectric absorption ratio (DAR) and polarisation index (PI) test modes
  • MIT525, also a 5KV unit adds facilities for dielectric discharge (DD), step voltage (SV) and ramp diagnostic testing
  • MIT1025 offers the same functions as the MIT525 but in a 10KV unit
The MIT515 and MIT525 models allow tests to be carried out at five predefined voltages from 250V to 5KV, while the MIT1025 provides predefined test voltages from 500V to 10KV. The MIT525 IRT also has a large-capacity internal memory for storing time and date stamped test results, which can subsequently be recalled to the display or downloaded to a PC via the instrument’s electrically isolated USB interface. Real-time output of results during tests is also supported.
All IRTs allow an additional user defined ‘lock’ voltage to be set, which is a specific voltage range to facilitate repetitive measurements to guard against excessive test voltages being applied to sensitive equipment.
Key features of Megger’s insulation resistance testers:
  • Equally suitable for mains or battery operation
  • User replaceable rechargeable li-ion battery is automatically recharged when connected to a mains supply
  • Battery provides up to 6 hours of testing at 5KV and up to 4.5 hours at 10KV on full charge
  • Capable of delivering dependable results even in noisy electrical environments with noise levels up to 3mA
  • Large LCD with automatic backlight
  • Dedicated voltmeter function covers the 30V to 660V range
  • CAT IV 600V safety rating
  • Supplied as standard with test leads and clips, and a user guide on CD-ROM

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