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 calibrating 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 testing kit ATK-3 (for three phase models) or ATK-4 (for single phase models).