Hitachi V-355, Руководство по эксплуатации

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3. PRECAUTIONS
Precautions to be observed to lengthen the service life of
this instrument.
Installation site
*
Avoid installing instrument in
an
extremely hot or cold
place.
o
Avoid placing this instrument in a place exposed to sun­
light for a long period of time, in a closed car in mid­
summer, or near a room heating device such as a stove.
o
The operating maximum ambient temperature is +40°C.
*
Do not use instrument that has been left outdoors on a
cold winter day.
The operating ambient temperature is 0°C or more.
*
Avoid moving the instrument rapidly from a hot place to a
cold place or vice versa, or condensation may form inside
of the instrument.
*
Keep the instrument away from damp air, water, and dust.
2
Unexpected trouble may be caused when the instrument is
placed in a damp or dusty place.
The operating ambient humidity is 3 5-85%.
Since an accidental intrusion of liquid may also cause
troubles, do not place a liquid-filled containers such as a
vase on the oscilloscope.
*
Do not place the instrument in a place where vibration is
strong. Avoid using the instrument at a place vibrating
violently. Since the oscilloscope is a precision instrument,
excessively strong vibrations may cause damage .
*
Do not place the instrument near a magnet or magnetic
body . An oscilloscope is an equipment using electron beam.
Therefore, do not bring a magnet close to the instrument or
do not use the instrument near an equipment generating
strong magnetic force.
Handling
*
Do not put a heavy objects on the oscilloscope .
*
Do not bloek the ventilation holes.