AEMC 6471 - 4-Pole Ground Resistance

Ground Resistance Tester Model 6471 61
The Input Noise option allows the viewing of noise for Z or Y inputs.
Figure 8-7
8.4.3 4-Pole Ground Resistance
When 4-Pole Test Resistivity is selected from the tool bar, you can select:
• With or without Auxiliary Rod Resistance.
• Test voltage 16 or 32VAC.
• 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.
The Input Noise option allows the viewing of noise for Z or Y inputs.
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