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原帖由 井忘川 于 2006-5-8 07:55 发表
& B, }* u9 x/ F键盘辐射最大是没错的。1 J- U( y' {, N) y2 D$ T
你知道计算机的辐射量是多少吗?1 p* B/ @) [3 N$ E+ _7 J
1.键盘1000V/m
1 z8 {5 c: @2 J5 T$ E! r/ m2.鼠标450V/m. s g, r, G8 }; h
3.屏幕218V/m
5 [7 a; S7 L# r; ? l/ ~4.主机170V/m。 h( F3 W1 t+ G
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1 p @; n3 C5 Y) q国际标准 TCO’99对CRT显示器的电场强度要求是:
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Band I: 5 Hz to 2 kHz, <=10 V/m, measured at 302 u6 r( a; n$ C9 F% C# Q% u' q
cm in front of the VDU and at 50 cm in front of it.+ s& ]" s' N! U5 h
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at! T$ c9 Y5 |1 Y0 U$ L
50 cm around the VDU and at 30 cm in front of it.! ]! z8 l( o! A- ~* a
9 q, P2 k! Y+ |1 |) Eref: http://www.d-silence.com/downloads/99crt.pdf- W8 `' r; D, \8 I- ?
+ `# i3 N" U4 r8 G你这218v/m有何科学依据?
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google了一把,源头是这:2 W+ c' T e# T* a$ \' q% O
http://www.daniweb.com/techtalkforums/thread10489.html( f: _ t3 ]! J# Q$ M( U+ D& v
- k# J" [( j8 S' `' b估计就这样以讹传讹了。
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; C+ e: l% T- M( d; \[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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