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原帖由 井忘川 于 2006-5-8 07:55 发表' v5 s2 c/ a% g r
键盘辐射最大是没错的。
7 M# D4 ]0 E9 E你知道计算机的辐射量是多少吗?. j9 o: o' C/ i/ r! o0 L; {
1.键盘1000V/m6 G0 M: `9 V0 n5 y1 ~6 O, l& U
2.鼠标450V/m
3 G9 d8 a4 M" ~, U' x+ R5 x3.屏幕218V/m
9 G7 \7 r1 x* ]( L( p7 ?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:
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! m% m; o* C' L* @7 ^1 Q& aBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
& k. C; q2 Q- _% R, M" }8 Y, N7 Z9 ocm in front of the VDU and at 50 cm in front of it.# M r1 F9 C; ^9 [ b6 b
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at) E- r% L8 y; K6 E
50 cm around the VDU and at 30 cm in front of it.3 G8 m) u' X9 g/ i/ ?) f$ x) f
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ref: http://www.d-silence.com/downloads/99crt.pdf
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你这218v/m有何科学依据?/ ^8 N3 M5 I8 o" _
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google了一把,源头是这:
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! k( k, M. `; B; d0 x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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