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1662/1663/1664 FC
Users Manual
56
To measure earth resistance:
1. Turn the rotary dial to the position. See Table 18.
Table 18. Earth Resistance Display/Dial and Terminal Settings
hwl010.eps
Push
Button
Action
1664 FC
1663
1662
Start the selected test
• •
2. Press and release . Wait for the test to complete.
• The primary display shows the earth resistance reading.
• Voltage detected between the test rods shows in the secondary
display. If >10 V, the test is inhibited.
• If the measurement is too noisy, Err 5 shows on the display. (The
measured value accuracy is degraded by the noise). Press
to show
the measurement. Press to return to the Err 5 display.
• If the probe resistance is too high, Err 6 shows. Probe resistance may
be reduced if you push the test stakes further into the earth or apply
water to the earth around the test stakes.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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