Automatic Voltage Transformer Comparator (KATC-V2)

Got older, slower equipment? Knopp’s Automatic Voltage Transformer Comparator (KATC –V2) is faster, more robust and more accurate!

Knopp’s KATC-V2 is a highly accurate state-of-the-art voltage transformer comparator that is compatible with all older generation Knopp comparators, and is designed to be a direct, plug-in replacement with additional test set cables to fit in the existing Knopp Voltage Transformer Test Systems.

Save time and money on service by upgrading your comparator to our new next generation model!



  • Interchangeable with other Knopp comparators
  • Compatible with TESCO Test Manager
  • Automatic sensing of 50 or 60 Hertz voltage
  • Calculation and display of ANSI accuracy class
  • Fast testing time (under one minute)
  • Automatic operation (no manual “nulling” or adjustments required)
  • Auto-ranging capability
  • 5” Full color LCD, 800 x480
  • Emergency shutoff feature through control of the interlock relay
  • Direct plug in replacement that comes with enhanced cable harnessin

Equipment Documentation


KATC-V2 – Knopp Automatic Transformer Comparator

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