 鲜花( 0)  鸡蛋( 0)
|
原帖由 井忘川 于 2006-5-8 07:55 发表' Q. n6 p! `, H2 d
键盘辐射最大是没错的。: S- [7 y; T9 @/ d7 T4 g
你知道计算机的辐射量是多少吗? L9 D( _% A0 ]) n, j
1.键盘1000V/m
# C* J# S7 ]# N& H9 ~, B2.鼠标450V/m5 i' @6 w' z$ c) r
3.屏幕218V/m
0 c' z; U0 w- |# M4.主机170V/m。
3 @* H6 H# i8 K0 P5 C2 N: C) d4 H r7 |) e! y. y6 ^
4 _# U C4 I" q% Z% h. F国际标准 TCO’99对CRT显示器的电场强度要求是:! l6 R, t/ y {2 K9 S) i
4 L/ Y8 J# L7 b+ N4 N o3 M, X: G
Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 30' ?( `* [/ j% y/ h1 S
cm in front of the VDU and at 50 cm in front of it.
7 p' {( k" T7 d" p" iBand II: 2 kHz to 400 kHz, <=1.0 V/m, measured at4 g9 k! R( `7 x0 R
50 cm around the VDU and at 30 cm in front of it.
& `2 J, N# a" i U
! s) f/ x, ~1 kref: http://www.d-silence.com/downloads/99crt.pdf
. G. Q- q/ F$ e; g3 R- C8 _9 Q8 ^5 K4 ^0 B
你这218v/m有何科学依据?
7 \4 U- {7 B8 r2 h, ?; N( O* Q( G F& n2 n. _. G
google了一把,源头是这:
# b; S! X- L9 bhttp://www.daniweb.com/techtalkforums/thread10489.html/ M( Y. b" _6 K4 ]' v
+ o9 n' x4 L9 b; F: }估计就这样以讹传讹了。3 j, @( e4 F) F2 ` H7 J
4 y6 R0 H2 K: A; t+ `8 b[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
|