Omicron CPC 100 Reference Manual

Resistance
7 - 17
Figure 10:
Measuring the ground
resistance of large
ground systems
You can use existing power cables. However, special precautions such as the
use of the CP GB1 grounding box are required. For more information on
CP GB1, contact OMICRON electronics sales office.
I
Δ U
3 ... 5 x a
Substation A ground Substation B ground
> 1km
Auxiliary
electrode
U
a
a
a = size of the earthing system
90º
(Bird’s-eye view

Omicron CPC 100 Specifications

General

Brand	Omicron
Model	CPC 100
Category	Test Equipment
Language	English