KFS
Sphere Gaps (Horizontal & Vertical) for Impulse, AC or DC Voltage Calibration
![KFS - Horizontal and Vertical Sphere Gaps](/fileadmin/_processed_/5/f/csm_KFS_-_Horizontal_and_Vertical_Sphere_Gaps_-_HAEFELY_8b345797c3.png)
The KFS sphere gaps can be used for Impulse, AC or DC voltage calibration according to the IEC 60052 recommendation. It can also be used for chopping of lightning impulses.