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原帖由 井忘川 于 2006-5-8 07:55 发表 l9 @ }$ W* G5 Q+ ^9 [; B
键盘辐射最大是没错的。
O7 w, A; G% X! l* Z你知道计算机的辐射量是多少吗?
4 [ a. L2 U7 T0 Q4 m! s3 h1.键盘1000V/m
% S$ H$ I& _7 Y$ _! Q$ ^' H2.鼠标450V/m; d2 \+ R, a, o( _- @
3.屏幕218V/m
O9 r" a$ O% v2 d6 T k4.主机170V/m。 8 y6 c" v4 s$ K E& u- g( Y1 k! J. p
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7 G6 P3 v/ H4 c$ @' b国际标准 TCO’99对CRT显示器的电场强度要求是:- d g( B) U& X# D0 `" x+ J' |
; S( q" Y0 e6 ]' i: \$ fBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 305 p. l2 S7 j1 ?$ g# v
cm in front of the VDU and at 50 cm in front of it.
4 {( `( e! F' d: v, b/ YBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at E: v+ K) r- C/ u! s5 c# U' P
50 cm around the VDU and at 30 cm in front of it.- w# `* ^. p% X. Z
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ref: http://www.d-silence.com/downloads/99crt.pdf1 u( i- G8 v/ x/ q% H' W
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你这218v/m有何科学依据?6 N3 W4 B i6 f* W* G* ]2 `! F! ^
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google了一把,源头是这:& J' ]. h; w! B8 a! ]8 J
http://www.daniweb.com/techtalkforums/thread10489.html
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估计就这样以讹传讹了。3 G/ F7 Q; b3 {( Q! H
1 H" z2 z% e; K[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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