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原帖由 井忘川 于 2006-5-8 07:55 发表) V' t+ `- O6 U$ G' C5 ~& Y g
键盘辐射最大是没错的。5 q: p. B% a9 @5 c/ Q: i; b
你知道计算机的辐射量是多少吗?
' h. P% h8 ~$ ^8 X1.键盘1000V/m
4 F' j2 {; }& ^! p2.鼠标450V/m
, g1 R' P M* q* K, d: S& i3.屏幕218V/m
" A9 Z6 ?" Z$ ]4.主机170V/m。 : K. k- h; n7 |0 q% ^% J2 T
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国际标准 TCO’99对CRT显示器的电场强度要求是:
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! I9 K. W8 ?; W8 ^& W0 IBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
5 C. w" Y) W! W- K, u: xcm in front of the VDU and at 50 cm in front of it.& \/ h4 M# h6 k2 {( {1 l; @
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at- ]& ?# l6 B' h2 V- C- `+ }
50 cm around the VDU and at 30 cm in front of it.
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8 b9 Y3 {' v9 H6 Mref: http://www.d-silence.com/downloads/99crt.pdf7 k' d$ r2 O- n0 m6 d p
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你这218v/m有何科学依据?
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1 j4 f a# j/ X5 d) ]google了一把,源头是这:
4 ^" W" v6 r/ ^4 l! h( j+ }% \http://www.daniweb.com/techtalkforums/thread10489.html
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估计就这样以讹传讹了。# z0 U b9 I: p, T
! }! L$ l: x+ @! u[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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