Hioki FT4310, Instruction Manual, Page: 16 / 72

12
Operating Precautions
Handling the Instrument
CAUTION
To avoid damage to the instrument, protect it from physical
shock when transporting and handling it. Be especially
careful to avoid physical shock from due to dropping it.
Test leads
CAUTION
• Removable sleeves are attached to the metal pins
at the end 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 measurement category. Remove the sleeves before
starting CAT II circuit measurements. You can use the
test leads with the sleeve removed for secondary side
of the circuit breakers turned off. (Refer to “Measurement
Categories” (p. 7))
• If the sleeves are inadvertently removed during
measurement, stop the measurement.(p. 26)