Operating Precautions
6
Hioki disclaims responsibility for any direct or indirect damages that may occur when this instrument has
been combined with other devices by a systems integrator prior to sale, or when it is resold.
Shipping precautions
Handling the Instrument
• To avoid electric shock, do not remove the instrument's case. The internal compo-
nents of the instrument carry high voltages and may become very hot during oper-
ation.
• Do not allow the instrument to get wet, and do not take measurements with wet
hands. This may cause an electric shock.
• If the instrument exhibits abnormal operation or display during use, review the informa-
tion in "Inspection, Repair and Cleaning" (p. 353) and "Error display" (p. 360) before con-
tacting your dealer or Hioki representative. Note that the instrument may be damaged if
the applied voltage or current exceeds the measurement range.
• This instrument is not designed to be entirely water- or dust-proof. Do not use it in an
especially dusty environment, nor where it might be splashed with liquid. This may cause
damage.
• To avoid damage to the instrument, protect it from physical shock when transporting and
handling. Be especially careful to avoid physical shock from dropping.
• Do not apply heavy downward pressure with the stand extended. The stand could be
damaged.
• Do not use excessive force on the touch panel, and do not use sharp objects that could
damage the touch screen.
• After use, always turn OFF the power.
This instrument may cause interference if used in residential areas. Such use must be
avoided unless the user takes special measures to reduce electromagnetic emissions to
prevent interference to the reception of radio and television broadcasts.
Before Turning Power On
• Before turning the instrument on, make sure the supply voltage matches that indicated
on its power connector. Connection to an improper supply voltage may damage the
instrument and present an electrical hazard.
• Be careful to avoid connecting the supply voltage improperly. Doing so may damage the
instrument's internal circuitry.
• To avoid electrical accidents and to maintain the safety specifications of this instrument,
connect the power cord only to a 3-contact (two-conductor + ground) outlet.
• To avoid shock and short circuits, turn off the power to lines to be measured before mak-
ing connections to terminals to be measured and turning on the instrument.
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