Our Products


SKU: 9910-0170-1 Category:


ATK-3/ATK-4 (Accuracy Testing Kit)

All test equipment is recommended to be calibrated at least once a year or as per local regulations.

A calibration kit is available for purchase to be able to calibrate the testers at your shop. The material needed for calibrate the units is:

  • An isolated power supply 120V-240V rated at least 150 VA
  • A Reference standard traceable to NIST with precision 0.05% minimum.
  • A Probewell accuracy complete kit ATK-3 (for three phase models) or ATK-4 (for single phase models)

SKU: 9910-0290 (ATK-4)

SKU: 9910-0285 (ATK-3)

Often used with these accessories