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原帖由 井忘川 于 2006-5-8 07:55 发表
2 x) ~8 ]5 ^, K) L0 @/ \1 }* X键盘辐射最大是没错的。
& V7 j5 a$ ~- |( [' M% G: _1 x你知道计算机的辐射量是多少吗?7 b F$ o9 |$ q7 t1 r2 ~1 V
1.键盘1000V/m
) N: M* S/ p: K, S4 [" J$ E- `: Q2.鼠标450V/m
9 X, l) J: w' f3.屏幕218V/m
! F+ D. t2 _% W$ M4.主机170V/m。 . X7 h& ~. `$ E* L+ C& M
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+ A$ P' C+ G/ O) c/ P, w国际标准 TCO’99对CRT显示器的电场强度要求是:
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! j1 ?( E1 E* k* R/ b% i+ _Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30* N" a' ]5 O0 V1 i) d! s
cm in front of the VDU and at 50 cm in front of it.
8 T) D+ o7 M- m; Q- \Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
- Z! P! F9 z5 ]2 k$ W50 cm around the VDU and at 30 cm in front of it.
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0 z% z% X5 s# h; W' f: w& b& \; xref: http://www.d-silence.com/downloads/99crt.pdf
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7 h4 B" A5 Y- P; G你这218v/m有何科学依据?
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+ K; B8 q h& Xgoogle了一把,源头是这:
1 k% u& D# _7 }0 [: e: Rhttp://www.daniweb.com/techtalkforums/thread10489.html& p/ {7 {6 w5 I1 a! ]; y
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估计就这样以讹传讹了。
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# p7 f- e$ C4 U c& R; p9 ~[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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