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Attentions During Use
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NOTE
･
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.
･
Gently wipe dirt from the surface of the unit with
a soft cloth moistened with a small amount of
water or mild detergent.
Do not try to clean the unit using cleaners
containing organic solvents such as benzine,
alcohol, acetone, ether, ketones, thinners, or
gasoline. They may cause discoloration or
damage.
･
When not in use for a long time, to prevent
possible corrosion caused by battery leakage,
remove the batteries before storage.
･
Hall elements are used in the current detection
portion of the clamp on AC/DC HiTester. As
there are two types of drifts in the Hall elements,
drift depending on time and drift depending on
the surrounding temperature, take note when
conducting continuous measurements.
･
The Hall elements lack uniformity, and it is
impossible to determine the amount of variation
which depends on time and the temperature.
When conducting continuous measurement or in
an environment where there are huge temperature
variations, it is recommended that the variation at
point 0 when nothing has been inputted should
be first noted. The variation at point 0 is the
direct current component.
This does not affect the AC mode.
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