Emc Testing Honeycomb Waveguide Air Vents Faraday Cage Material High Shielded Effective
Honeycomb Vent
Honeycomb Vent is a special but indispensable part of a MRI/ RF shielding room
and shielded cabinet. It is usually using for air pass. Its shielding range is ≤20GHz.
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Material
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Thickness
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Cell Hole Size
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Outer Size
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Frame
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Stainless Steel
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25mm, 50mm, Customized.
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3.2mm, 4.8mm, 5.2mm, 6.2mm, 8.2mm
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300*300, 300*600, 600*600, Customized
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H type, C type, without frame.
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Tin Plate
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Brass
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Aluminum
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Product features
the cut-off waveguide ventilation window is composed of hexagonal honeycomb core material with frame.
On the premise of ensuring efficient ventilation, the principle of high pass and low resistance of cut-off waveguide
is used to effectively shield electromagnetic wave. Generally speaking, the cut-off principle of cut-off waveguide is:
l ≥ 5D (L: waveguide length, D: maximum diameter of waveguide section), Therefore, the shielding effectiveness of
the cut-off waveguide ventilation window depends on the length of the waveguide (i.e. the thickness of the honeycomb
core and the size of the aperture of the honeycomb core)
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