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原帖由 井忘川 于 2006-5-8 07:55 发表( _( q3 a; Z0 y# i9 V
键盘辐射最大是没错的。* n0 M0 Y. y7 q: @
你知道计算机的辐射量是多少吗? x ]' V: P& q$ B
1.键盘1000V/m
3 x% { y# R- `( `" D: Y2.鼠标450V/m
, N7 @$ f. C4 _8 n3.屏幕218V/m
+ z2 @5 L4 p2 J' B. J# v+ h4.主机170V/m。 / p, ]0 H1 u* q4 P: s
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$ }6 Y. A* D) U% C: i, j8 y国际标准 TCO’99对CRT显示器的电场强度要求是: h9 N9 v6 S; T5 Y8 t
2 N2 ^* l9 u, FBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
3 _0 u4 S; ?2 i: ^& |/ \. @0 fcm in front of the VDU and at 50 cm in front of it.- d# M8 |2 f8 [0 V# `
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
8 Q3 k8 R5 ?* }# _1 |0 A. N9 e% e50 cm around the VDU and at 30 cm in front of it.0 B% j, @9 a; ]+ m' Y6 Z J5 v
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ref: http://www.d-silence.com/downloads/99crt.pdf" S8 m _) O- M' v! m
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你这218v/m有何科学依据?# O8 I2 y0 C& a4 h, y$ |3 j
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google了一把,源头是这:
; ?# R6 }/ l3 p$ @http://www.daniweb.com/techtalkforums/thread10489.html
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估计就这样以讹传讹了。% [6 `6 u- b5 s3 B! b) L3 b+ N1 p+ C
3 s2 f0 |3 c! I5 p0 D$ ]- Q. D, v& y[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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