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本帖最后由 zhangfc 于 2015-6-26 19:16 编辑
. G; M% y; z* \% ^6 E8 w让梦飞翔 发表于 2015-6-26 16:58 
. t2 i1 S( h" @0 v: h- [ w% Q还没查到哪里有的买? . Z/ R/ x/ D( }& h+ E' G+ D
这个东西,我们实验室有。好像从顺德商检局或质监局买的。
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这玩意只能测220V以上的,120V左右的测不了。8 M0 n- S% r) }% O8 v
DSH-0716 g2 n g& L! F% R9 M& A! v+ K
If the relevant standard does not contain contradictory requirements, a voltage probe% O% E' d9 W/ i+ H8 L
having an input impedance of 100 MΩ or greater in parallel with an input capacitance of2 @7 @$ K; J; y
25 pF or less, shall be used for this test.
/ L7 S* {/ H4 L! @For other (automatic) equipment with special measurement techniques equivalent ?0 Z( h5 D: O/ p% @ g
measures shall be taken to ensure comparable results.- U7 [5 l# I2 s9 J" a, \
Explanatory Notes:3 c1 e& R6 g' ~5 z0 e; s% ^3 T4 G
This issue was raised at the 2008 CTL meeting after discussing the proficiency testing
$ U: {5 X- @, ^* K/ x- @program on plug discharge 2007/2008. Participants used several different probe( C0 o" l, T3 ^( `% _' v
impedances, which caused inconsistent results. |
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