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原帖由 井忘川 于 2006-5-8 07:55 发表
8 s% G' b; {7 U6 j) s键盘辐射最大是没错的。2 r! Q; G. ^ P% ]! T, h
你知道计算机的辐射量是多少吗?
: d, J6 Q* T7 N& T& g0 x1.键盘1000V/m% J' @+ l9 N" e
2.鼠标450V/m* F/ R' ]* O* b2 C/ ?' P# N
3.屏幕218V/m; u2 {$ l6 D( z L
4.主机170V/m。 ' s. `1 a7 S. K7 G0 y. y/ j
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s' j6 _- c5 }& ^. Z4 L国际标准 TCO’99对CRT显示器的电场强度要求是:" w7 |3 y0 v8 f, F7 C
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
8 d7 ^$ U4 T+ @ j+ u* mcm in front of the VDU and at 50 cm in front of it.( T5 B8 y; \+ S$ r
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at- C h- T1 Q+ D2 `3 A& f' x" x; W3 t3 F
50 cm around the VDU and at 30 cm in front of it. f4 Z: q2 r6 `. _, _3 }! e1 \# g
8 Z5 f8 b+ p" H8 B+ {0 Y# d# }ref: http://www.d-silence.com/downloads/99crt.pdf$ g3 k, b4 C$ y% x8 e5 s
* |& V1 E: R$ o: r你这218v/m有何科学依据?+ @$ L* ?' ] d- I/ r
P. j f7 f' z' ^google了一把,源头是这:
& \) j; u2 Q0 R& yhttp://www.daniweb.com/techtalkforums/thread10489.html
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估计就这样以讹传讹了。; s2 t. x0 E7 h1 z
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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