 鲜花( 0)  鸡蛋( 0)
|
原帖由 井忘川 于 2006-5-8 07:55 发表, H$ _4 v. U% N
键盘辐射最大是没错的。6 J7 I2 V: S" O' L; f$ \0 w% M
你知道计算机的辐射量是多少吗?7 L( `( D" n: o( K. q! a& E* S
1.键盘1000V/m. Y8 ~0 a( E: L* o; _# W
2.鼠标450V/m
& `9 v4 M3 i' n, }3.屏幕218V/m' L4 B: S6 Q8 u+ X5 U$ c* @
4.主机170V/m。 9 L* p+ _" Q% z6 j( k6 R4 z1 d
# F# J/ h2 J4 E5 J6 k; `9 H8 N; E' V1 ?- {# V* d1 p0 v4 g
国际标准 TCO’99对CRT显示器的电场强度要求是:& L& I- ~) [+ h8 T- G
0 M5 {6 s( h. P* DBand I: 5 Hz to 2 kHz, <=10 V/m, measured at 30; d- T3 j: Z6 }- X& `# G
cm in front of the VDU and at 50 cm in front of it.
) \: B, r* m& v" `* |Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at6 g( U, A$ R+ V6 X/ r
50 cm around the VDU and at 30 cm in front of it.
3 k6 T, ?7 i% w: I4 _! J8 i; s* m2 I$ p3 Q& o! U
ref: http://www.d-silence.com/downloads/99crt.pdf% Q- P; z& a; H% h
) k) v! e, _' p' q! V. \# |8 c
你这218v/m有何科学依据?" r" j4 F3 w' b" ~* }3 y3 ~
' T5 G& B+ v; d7 O7 v3 O7 `google了一把,源头是这:/ {0 ^9 ~/ v/ M( K0 q
http://www.daniweb.com/techtalkforums/thread10489.html9 J" c) {1 c- x+ n5 C
0 w5 z/ `% z* c E
估计就这样以讹传讹了。
* k: g+ u* T+ S
6 d3 g o. G) h7 K( f[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
|