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CAUTION (Application and removal of the Clamp-on meter)
Press the jaw trigger and clamp the jaws around only one single
conductor of a circuit for load current measurement. Make sure the
jaws are completely closed, or else it will introduce measurement
errors. Enclosing more than one conductor of a circuit will result in
differential current measurement (like identifying leakage current).
Locate the conductor(s) at the Jaws center as much as possible to get
the best measuring accuracy. The jaw “+” mark indicates current flow
direction on DCA positive readings.
For removal, press the jaw trigger and remove the jaws from the
conductor(s).
Inputs are made through the clamp jaws for non-invasive ACA &
DCA current measurements.
ACA & DCA Current Clamp-on function
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Note : In DCA measurements, hysteresis of the jaws (after measuring
high DC currents) may introduce non-zero residual readings. Relative
Zero
mode should be used each time to offset the residual readings,
if any, for more accurate measurements.
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Adjacent current-carrying devices such as transformers, motors &
conductor wires will affect measurement accuracy. Keep the jaws away
from them as much as possible to minimize influence.