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CAUTION & WARNING for Non-Invasive (Clamp-on) Current Measurements:
CAUTION
(Application and Removal of the Clamp-on Jaws) For non-invasive current
measurements, press the jaw trigger and clamp the jaws around conductor(s) of only
one single pole of a circuit for load current measurement. Make sure the jaws are
completely closed, or else it will introduce measurement errors. Enclosing conductor(s)
of more than one pole of a circuit may result in differential current (like identifying
leakage current) measurement. Align the conductor(s) to the Jaws center indicators
(Regular or AmpTip™ indicators where applicable) as much as possible to get the best
measuring accuracy. For removal, press the jaw trigger and remove the jaws from the
conductor(s).
Adjacent current-carrying devices such as transformers, motors and conductor wires
may affect measurement accuracy. Keep the jaws away from them as much as
possible to minimize influence.
WARNING
Do not use the meter to measure currents above the rated frequency (400Hz).
Circulating currents may cause the magnetic circuits of the Jaws reach a hazardous
temperature.
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