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C120-H007-05EN 59
CHAPTER 5 Electromagnetic Environment
and Static Electricity
1
This chapter explains the electromagnetic environment conditions and electrostatic
effects relevant to server systems.
5.1 Magnetic Fields
CRT displays could be influenced by the magnetic fields generated by nearby power
transformers, electric wires carrying large current, or any magnetized metallic objects.
5.1.1 Allowable magnetic field intensities of displays
CRT displays vary in allowable magnetic field intensity depending on the size of the
CRT, resolution, etc.
Typical values are:
z Allowable AC magnetic field intensity: About 1 μΤ
z Allowable DC magnetic field intensity: About 50 μΤ to 60 μΤ