17
1.3 Parts Names and Functions
• Removable sleeves are attached to the
metal pins at the ends of the test leads. To
prevent a short circuit accident, be sure to
use the test leads with the sleeves
attached when performing measurements
in the CAT III and CAT IV measurement
categories. Remove the sleeves from the
test leads when performing measurements
in the and CAT II measurement categories.
For details on measurement categories,
see "Measurement categories" (page 5) in
the instruction manual.
• To prevent an electric shock accident, con-
firm that the white or red portion (insulation
layer) inside the cable is not exposed. If a
color inside the cable is exposed, do not
use the cable.
• When performing measurements with the
sleeves attached, be careful to avoid damaging
the sleeves.
• If the sleeves are inadvertently removed during
measurement, be especially careful in handling
the test leads to avoid electric shock.