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原帖由 井忘川 于 2006-5-8 07:55 发表' e& s$ e2 m6 o# s) Q6 C
键盘辐射最大是没错的。
0 Z4 y3 k# y7 Z. N) j你知道计算机的辐射量是多少吗?
& B* z6 @9 ~; }9 Q7 Z1 D2 k+ e! ]1.键盘1000V/m
9 E4 c: a& E) x; l% z1 K2.鼠标450V/m, @7 _' `$ x/ B2 G
3.屏幕218V/m) ^+ i7 K! J$ P5 r* ^( a
4.主机170V/m。
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0 a! N; o* {! N1 M7 a国际标准 TCO’99对CRT显示器的电场强度要求是:
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$ D2 d4 K/ z5 d( S3 I0 Y7 |" yBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30* x( q Y* \% v; G
cm in front of the VDU and at 50 cm in front of it./ n6 {7 i7 ?6 ?# C% _: |7 @
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
$ P( ~, g; ~8 M6 ?50 cm around the VDU and at 30 cm in front of it.
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2 j; C% B/ [- p2 q- P4 mref: http://www.d-silence.com/downloads/99crt.pdf
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! l5 a* j0 v: N$ S% a, V- D你这218v/m有何科学依据?1 O; P# u+ ]/ A. a9 [7 o
7 n/ |& f; S0 g6 pgoogle了一把,源头是这:
1 _4 S5 e# W: |, _& o% mhttp://www.daniweb.com/techtalkforums/thread10489.html
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. C2 d$ b0 S. V& [7 t2 Z6 p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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