abem Terrameter LS - Page 102

ABEM Terrameter LS
92
Current
transmitted
+I
0
-I
0
Voltage
measured
T
i
T
i
2T
d
2T
d
2T
i
Time
Time
1
2
3
t
1
t
2
t
3
t
4
t
5
t
6
Integration
time
Delay
time
Figure 106 Resistivity measuring cycle timing definitions (after Krill 1977)