Using the Probe
15
Figure 5 Clamp Onto the Low-Voltage Side of Circuit
At some frequencies, some sound may be produced by resonance, this has
no effect on measurements.
Measurement accuracy is affected by the position of the conductor being
measured within the clamp aperture. The conductor should be in the center
of the clamp aperture.
Before making a measurement, press the opening lever until the "UNLOCK"
indication disappears and check that the sensor head is properly closed. If
the sensor head is not properly closed, accurate measurement will not be
possible.
Accurate measurement may be impossible in locations subject to strong
external magnetic fields, such as transformers and high-current
conductors, or in locations subject to strong external electric fields, such as
radio transmission equipment.
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