Metrix MX 435D Notice De Fonctionnement page 52

TYPICAL INFLUENCE OF PARASITE VOLTAGE IN EARTH MEASUREMENTS
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 5
Parasite voltage (V) 16 2/3 Hz to 60 Hz
8
7
6
5
4
3
2
1
0
0 5
Paras ite voltage (V) 16 2/3 Hz to 60 Hz
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20 Ohm Range
10 15
from 16 2/3 Hz to 60 Hz
2000 Ohm Range
10 15 20
from 16 2/3 Hz to 60 Hz
Chapter II
Ra = 1 Ohm
Ra = 10 Ohm
20
Ra = 10 Ohm
Ra = 100 Ohm
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