Digital Ground Resistance Tester Model 4500
31
Procedure
• Short X and Xv (C1, P1)
• Short Y and Z (P2, C2)
• Connect X to ground rod to be measured
• Connect Z to an electrode
• Measure as in the three-point method
Y
Z
X
X
v
TEST
RANGE
TEST CURRENT
2 10 50
2
20 200 2 20
Grounding conductor
Ground level
Ground rod
Butt plate
Utility pole
Terminals shorted
Auxiliary rod
(Y-Z shorted)
Figure 16
4.7
Continuity Measurement
After the shorting strip has been properly positioned between X and Xv
(C1, P1), connect the Y (P2) and Z (C2) terminals together as well.
Continuity measurement is made with two leads, one from X-Xv, the other
from Y-Z (P2, C2); push the “TEST” button to measure.
