AEMC 6471 - 3-Pole Ground Resistance Test

60 Ground Resistance Tester Model 6471
For very low resistance measurement, a lead compensation value (see § 5.2.1)
may be entered using the Change button.
Input noise status at the input of the meter is always displayed.
Figure 8-6
8.4.2 3-Pole Ground Resistance Test
Ω
When 3-Pole Ground Resistance is selected from the tool bar, you can select:
• With or without Auxiliary Rod Resistance.
• Test voltage of 16 or 32VAC.
• Distance "d" from terminal X to terminal Y.
• Distance "a" from terminal X to terminal Z.
• Auto frequency - selects the optimum frequency (from 41 to 513Hz), usually
128Hz, or select manually from the drop-down frequency list.
Selecting a sweep frequency test from the drop-down list will enable the sweep
table selection.
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