377/377 FC/378/378 FC
Users Manual
16
3. Keep the probe coupling >2.5 cm (1 inch) away from the
conductor.
4. Turn the control knob to
K.
The display shows
J to indicate that the measurements are
from the iFlex Probe. When the current measurement is
<0.5 A, the center dot in the icon flashes. For current
measurements >0.5 A, the center dot is steady.
The display shows the measurement.
If the iFlex Probe does not work as expected:
• Make sure that the coupling system is connected and closed
correctly or look for any damage. If any foreign material is
present, the coupling system will not close properly.
• Inspect the cable between the iFlex Probe and the Clamp for
any damage.
• Check that the control knob is in the correct position (
K).
Figure 3. iFlex Probe Setup
<0.5 A
>0.5 A
1 2 3 4
>2.5 cm
>1 in
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