 鲜花( 0)  鸡蛋( 0)
|
原帖由 井忘川 于 2006-5-8 07:55 发表
* i C! D* _3 O- Q- y8 K4 |键盘辐射最大是没错的。
% L5 i( {: }6 \. i# w你知道计算机的辐射量是多少吗?6 V- V# O$ g2 M
1.键盘1000V/m: `& k U" [* G- h0 ?0 o3 |
2.鼠标450V/m
$ r# R# W. ~. t1 p3 u4 M8 h3.屏幕218V/m
9 D5 b. h9 x/ q; N5 q2 P0 L4.主机170V/m。
( }0 H) i$ Q" Y2 J/ T3 I6 t- Y9 [6 g7 _- r4 Q0 C# Q. D
! S! S' @9 T2 @) m, H/ G/ b
国际标准 TCO’99对CRT显示器的电场强度要求是:
& J$ l4 c/ Q7 K7 a% @0 K( K3 p ?+ v# K0 p: I
Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30
+ X9 V6 g1 M' L% ~cm in front of the VDU and at 50 cm in front of it.+ v6 s, n o7 P
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
! y; m4 z- V6 C; a50 cm around the VDU and at 30 cm in front of it.
$ B, L1 o; z9 ^9 b1 [. F/ `2 A# B; q4 q+ r; T- L0 Y& C, m+ N1 L
ref: http://www.d-silence.com/downloads/99crt.pdf/ a6 G2 c) n6 p. A7 f7 s/ C u
2 }3 v- _* A5 h' X+ H! z4 y& [
你这218v/m有何科学依据?+ ~3 N) }1 N9 P) l
f" x7 `# X2 {& r( Mgoogle了一把,源头是这:
& p4 U7 l5 `! {, a+ p1 Y4 n1 ehttp://www.daniweb.com/techtalkforums/thread10489.html1 h) {8 x# r& `3 [3 C1 n9 V/ s% l+ {% N
& Q& R- c; u; W* O, n& z1 c9 F E估计就这样以讹传讹了。
/ c$ Z! _6 a- p" m& p# ^, o& q- C' r9 \$ P
[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
|