Operating Precautions
6
For more information about the operating temperature and humidity range and the storage temperature and
humidity range, see "Chapter 5 Specifications" (p.135).
Installing
To prevent overheating, be sure to leave the specified clearances around the unit.
• The instrument should be operated only with the bottom downwards.
• Vents must not be obstructed.
Instrument Installation
Avoid the following locations that could cause an accident or damage to the instru-
ment.
• Exposed to direct sunlight or high temperature
• Exposed to corrosive or combustible gases
• Exposed to water, oil, chemicals, or solvents
• Exposed to high humidity or condensation
• Exposed to a strong electromagnetic field or electrostatic charge
• Exposed to high quantities of dust particles
• Near induction heating systems (such as high-frequency induction heating systems
and IH cooking equipment)
• Susceptible to vibration
Ventilation holes for heat radiation are provided on the side and rear panels of the
instrument. Leave sufficient space around the ventilation holes and install the instru-
ment with the holes unobstructed. Installation of the instrument with the ventilation
holes obstructed may cause a malfunction or fire.
Do not place another PW3335 or measuring instrument or other heat-generating
device underneath or on top of this instrument. Doing so may damage the instrument
or cause burns or fire.
• Correct measurement may be impossible in the presence of strong magnetic fields, such as near trans-
formers and high-current conductors, or in the presence of strong electromagnetic fields such as near
radio transmitters.
• Unplugging the power cord kills power to the instrument. Be sure to provide enough unobstructed space to
unplug the power cord immediately in an emergency.
• The instrument can be used with the stands flipped out.(p.19)
• To mount the instrument in a rack, refer to "Appendix 4 Rack Mounting" (p. A5)
50 mm or more
50 mm or more
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