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原帖由 井忘川 于 2006-5-8 07:55 发表
: ]$ e6 @. L- G+ ?; q7 a键盘辐射最大是没错的。: D7 R3 T& J7 z3 q5 o& p
你知道计算机的辐射量是多少吗?* K' ^. j _6 D0 e
1.键盘1000V/m
# P7 h: X9 i0 k+ a2.鼠标450V/m' b2 f. u% Y6 V' B# Z" w( k1 A% q
3.屏幕218V/m
2 B/ n6 X( E! G3 v v+ [4.主机170V/m。
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国际标准 TCO’99对CRT显示器的电场强度要求是:- `$ r3 M3 \$ _3 q$ H/ c
5 c, o1 D% u( M h4 C$ @Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
. W. C7 D, m$ l' g# H" Q. Y5 \cm in front of the VDU and at 50 cm in front of it.: ?) ]9 H- s! T7 M! G- Z
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
7 m" c) ^; k( A0 {50 cm around the VDU and at 30 cm in front of it.4 S+ ~8 E6 l- j' d; R. R* f# b
; L$ S9 [; t* G. t+ Z& [8 D3 Wref: http://www.d-silence.com/downloads/99crt.pdf
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* E% c9 b/ c' x' ^! x3 V" ^: j6 m你这218v/m有何科学依据?
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google了一把,源头是这:" P" I& \* V7 t# j( ~5 P! r
http://www.daniweb.com/techtalkforums/thread10489.html) D! v, y( q- y/ J2 ~/ W4 c
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估计就这样以讹传讹了。
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0 v+ w! R' t" E[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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