8
Digital Ground Resistance Tester Model 4500
C2
P2
P1
C1
6
7
8 9
10
11
12
13
14
16
15
5
4
3
2
1
2.3 Control Features
1. Test button
2. Input Terminal (Z)-(C2)
3. Input Terminal (Y)-(P2)
4. Input Terminal (Xv)-(P1)
5. Shorting strip
6. Input Terminal (X)-(C1)
7. Incorrect measurement indicator
8. Low battery indicator
9. Display
10. Battery charge indicator
11. Supply voltage indicator
12. Jack for power supply cord
13. Connecting terminals for power supply from external battery
(12V
DC
)
14. Range selector switch
15. Test Current selector switch
16. Adhesive label (C-1, P-1, P-2, C-2) supplied with each instrument
Figure 3
