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原帖由 井忘川 于 2006-5-8 07:55 发表1 I" K% K$ b" _7 Q" m
键盘辐射最大是没错的。
2 R; q: S0 ~; ?5 j+ i/ G你知道计算机的辐射量是多少吗?* F2 S/ d+ r+ q
1.键盘1000V/m
- t. q7 E- w, n2 A5 v5 f2.鼠标450V/m
- e. ?3 c; ^) M% M3.屏幕218V/m+ |1 F" u* r0 } }4 b/ n0 W; o9 t
4.主机170V/m。 ' ^! m; ?7 T7 S n, ~
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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 30% [9 t' M" Z9 w+ K6 V, m
cm in front of the VDU and at 50 cm in front of it.( o* s) ^: B9 O8 m
Band II: 2 kHz to 400 kHz, <=1.0 V/m, measured at
' L6 a/ S* Z9 g/ H* P50 cm around the VDU and at 30 cm in front of it.
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ref: http://www.d-silence.com/downloads/99crt.pdf8 A/ e4 o; A1 S) p# V$ m
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你这218v/m有何科学依据?8 W3 @: w+ v" [7 Y* U, ^+ W
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google了一把,源头是这:8 x; A) K) y+ r7 D
http://www.daniweb.com/techtalkforums/thread10489.html/ G1 m0 c9 V8 F* g: W* X$ p; y; ~
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估计就这样以讹传讹了。
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3 _- O0 z; C) k) \0 y* Z6 o[ 本帖最后由 antelope 于 2006-5-8 10:28 编辑 ] |
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