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原帖由 井忘川 于 2006-5-8 07:55 发表
/ q; Y6 ^ d" L$ r( t+ C2 I& \键盘辐射最大是没错的。
$ f$ u" M6 Q! T3 I& U2 j+ P$ Z你知道计算机的辐射量是多少吗? e2 i' p5 t) u+ X5 B" s
1.键盘1000V/m
+ X1 E: X2 }1 C4 b3 @2.鼠标450V/m/ k. m3 D. {8 l$ j: @1 a$ i5 X, o
3.屏幕218V/m
0 ?, o$ P, O4 W4.主机170V/m。 ) m" C1 E6 o! [/ l, F/ m+ G. T
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" L( W; w) V/ A$ X! U5 _3 u国际标准 TCO’99对CRT显示器的电场强度要求是:
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30! O# \ P* t' C6 g" N8 L/ d
cm in front of the VDU and at 50 cm in front of it.
4 u2 N4 A$ V' i5 [9 [% n r1 V3 ^Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at& C) J$ i4 H0 h8 S- J
50 cm around the VDU and at 30 cm in front of it.
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ref: http://www.d-silence.com/downloads/99crt.pdf
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5 t l" b2 R4 B4 t8 X你这218v/m有何科学依据?, x3 Q2 e; m; g3 z! T6 I3 T* N- @3 a; e
5 ?# y# x3 ^8 ~ \google了一把,源头是这:/ W7 Z9 ]' u9 Z( k: ? Z( D
http://www.daniweb.com/techtalkforums/thread10489.html! p( |% U; Y; p; ~8 f1 @
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估计就这样以讹传讹了。
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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