Metrix MX 435D Notice De Fonctionnement page 51

Chapter II
EARTH MEASUREMENTS - TYPICAL INFLUENCE OF ROD RESISTANCE
25
20
15
10
5
0
0 2
25
20
15
10
5
0
0 10
-5
Digital Earth Tester
www.electronicaembajadores.com
20 Ohm Range
4 6 8 10
kOhm
2000 Ohm Range
20 30 40 50
kOhm
Ra = 0.3 Ohm
Ra = 10 Ohm
12 14
Ra = 30 Ohm
Ra = 1000 Ohm
60
47