Precautions - Hitachi V-355 Operation Manual

3.

PRECAUTIONS

Precautions to be observed to lengthen the service life of
this instrument.
Installation site
*
Avoid installing instrument in
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.
Unexpected trouble may be cause d when the instrument is
placed in a damp or dusty place .
2
an
extremely hot or cold
The operating ambient humidity is 3 5 - 8 5 %.
Since an accidental intrusion of li q uid may also cause
trou bles, 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 o scilloscope 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 hole s.