Fluke 771 Instruction Sheet page 7

With the clamp disconnected from any conductor, press O
1.
to turn the Meter on and press A.
2. Clamp the jaw around the conductor under test. The Meter
displays the measured conductor current. See Figure 2.
•
A positive reading indicates current flowing in the
direction of the arrow on the clamp.
•
A negative reading indicates current flowing in the
opposite direction of the arrow.
•
Do not clamp more than one wire. Currents cancel and
no results are returned.
The small secondary display shows the reading in terms of
percentage span.
Figure 2. Taking Measurements
OK
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