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原帖由 井忘川 于 2006-5-8 07:55 发表. Q( O9 Z/ D5 V8 m; Q
键盘辐射最大是没错的。3 ~+ y: u: m+ S5 j
你知道计算机的辐射量是多少吗? E3 D6 J i7 U4 s# K; ~3 c' E
1.键盘1000V/m
) f/ ]2 g0 J1 j7 e7 f7 y2.鼠标450V/m
6 w) |3 \, l* Y+ z; }" u3.屏幕218V/m- l1 G, P6 O* @2 c( W, t
4.主机170V/m。
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$ J b }5 p, C( V, b/ u( p+ z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% s$ V$ D, g; S! O6 m/ w" ~% a
cm in front of the VDU and at 50 cm in front of it.
& D! r$ C; K. z# Z1 }, DBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
" d7 j( u3 r" b! [5 K4 L6 n7 r5 h50 cm around the VDU and at 30 cm in front of it./ q7 ?; p0 F& d' g1 ?
0 c" ~- X6 J3 iref: http://www.d-silence.com/downloads/99crt.pdf
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你这218v/m有何科学依据?' v( Z# A! {5 X' `8 e7 K+ P q6 J
: x; C5 i/ m' D- ugoogle了一把,源头是这:0 ^2 E c. \- c& _3 O: E/ @' w( G1 q
http://www.daniweb.com/techtalkforums/thread10489.html- D3 g2 m3 V* M
: H6 \, h) v5 j/ V+ F估计就这样以讹传讹了。, P- Z7 }8 n8 o8 z1 K
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[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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