SAFETY INSTRUCTIONS
7
Cleaning
SFG-2000 series
• Disconnect the power cord before cleaning.
• Use a soft cloth dampened in a solution of mild
detergent and water. Do not spray any liquid into
SFG-2000 series.
• Do not use chemicals or cleaners containing harsh
materials such as benzene, toluene, xylene, and
acetone.
• Location: Indoor, no direct sunlight, dust free, almost
non-conductive pollution (Note below)
• Relative Humidity: < 80%
• Altitude: < 2000m
• Temperature: 0°C to 40°C
Operation
Environment
(Note) EN 61010-1:2001 specifies the pollution degrees and their
requirements as follows. SFG-2000 series falls under degree 2.
Pollution refers to “addition of foreign matter, solid, liquid, or
gaseous (ionized gases), that may produce a reduction of dielectric
strength or surface resistivity”.
• Pollution degree 1: No pollution or only dry, non-conductive
pollution occurs. The pollution has no influence.
• Pollution degree 2: Normally only non-conductive pollution
occurs. Occasionally, however, a temporary conductivity caused
by condensation must be expected.
• Pollution degree 3: Conductive pollution occurs, or dry,
non-conductive pollution occurs which becomes conductive due
to condensation which is expected. In such conditions,
equipment is normally protected against exposure to direct
sunlight, precipitation, and full wind pressure, but neither
temperature nor humidity is controlled.
Storage
Environment
• Location: Indoor
• Relative Humidity: < 80%
• Temperature: −10°C to 70°C
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