Twilight DT4200, Инструкция по эксплуатации

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9
Usage Notes
Handling the cables
WARNING
To prevent electric shock, when measuring the
voltage of a power line use a test lead that satis
fi 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
All of the optional test leads for this instrument
conform to the safety standard EN61010. Use a test
lead in accordance with its de
fi ned measurement
category and rated voltage.
To avoid electric shock, do not exceed the lower of
the ratings shown on the instrument and test leads.
CAUTION
• Avoid stepping on or pinching the cable, which could
damage the cable insulation.
• To avoid damaging the cables, do not bend or pull the
leads and the probe bases.
The ends of the test leads are sharp. Be careful to avoid
injury.
Precautions during measurement
WARNING
If the instrument is used in locations where the
rating indicated on the instrument or probes is
exceeded, the instrument may be damaged resulting
in personal injury. Do not use the instrument in such
locations. See “Measurement categories” (p. 7).