Twilight Hioki HK-3280-10F, Instruction Manual

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Safety Notes
Measurement categories
This instrument’s current measurement part
conforms to the safety requirements for CAT III 600 V,
and the voltage measurement part conforms to the
safety requirements for CAT II 600 V, CAT III 300 V
measuring instruments.
Fixed Installation
DANGER
Measuring a location with a higher
category number than the measurement
category indicated on this device may
result in a serious accident such as
electric shock.
To avoid electric shock, do not touch
the portion beyond the protective
barrier during use.
Never apply voltage to the test leads
when the resistance and continuity
functions are selected. Doing so may
damage the instrument and result
in bodily injury. To avoid electrical
accidents, remove power from the
circuit before measuring.
EN-3
Distribution panel
Service entrance
Service drop
CAT IV
Power meter
Internal wiring
CAT II
CAT III
Outlet