Hioki CM3289 - Critical Warnings; Test Lead and Circuit Safety

EN-4
Safety Notes
WARNING
• To avoid electric shock, short circuits
and damage to the instrument,
disconnect the test leads from the
measurement object before switching
the rotary switch.
• To prevent electric shock, when
measuring the voltage of a power
line use a test lead that satises the
following criteria:
• Conforms to safety standards
IEC61010 or EN61010
• Of measurement category III or IV
• Its rated voltage is higher than the
voltage to be measured
• The optional test leads for this
instrument conform to the safety
standard EN61010. Use a test lead
in accordance with its dened
measurement category and rated
voltage.