CTI Testing Instrument

Device for determining the tracking resistance of solid electrical insulating materials.

Product catalog

CTI Testing Instrument (PDF)

CTI / PTI Testing device according DIN EN 60112

Automatic test system for evaluating and measuring the electrical tracking properties of solid insulating material.


  • Fully CE compliant modular test system, consisting of - HV Test Cabinet with transparent safety doors - Controller / PSU Unit
  • Determination of CTI – Comparative Tracking Index
  • Determination of PTI – Proof Tracking Index
  • Determination of erosion when required
  • Adjustable test parameters: Test Voltage, Test Current, Drop Size, Switch-off Time, Number of Drops
  • Lighting inside the cabinet
  • Accoustic signal for End of Test
  • Variant for tests according ASTM D3638

Test Standards & Regulations:
DIN EN 60 112 / IEC 60 112 / VDE 0303 Part 1.
ASTM D3638 (Alternatively)

Karg Industrietechnik: Competence
in materials testing

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