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本帖最后由 zhangfc 于 2015-6-26 19:16 编辑
" t1 K. k! T$ |让梦飞翔 发表于 2015-6-26 16:58 
& N- _3 @' l5 R( t7 v还没查到哪里有的买?
0 ^% T* c" L3 t这个东西,我们实验室有。好像从顺德商检局或质监局买的。8 a- M! V% a# l6 ]$ A7 \. K- Y/ B
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这玩意只能测220V以上的,120V左右的测不了。% I6 f0 X* Y5 s% J1 b9 z
DSH-0716
/ f$ e" S* [' j* s7 vIf the relevant standard does not contain contradictory requirements, a voltage probe
" |* @- `! f4 L3 Mhaving an input impedance of 100 MΩ or greater in parallel with an input capacitance of0 F1 H( _0 Y" q2 w! |
25 pF or less, shall be used for this test.2 n9 i4 q- k8 x0 i2 Q1 ]
For other (automatic) equipment with special measurement techniques equivalent
9 h2 N2 L4 {6 }' | k6 v, K% gmeasures shall be taken to ensure comparable results.3 [' X5 J$ ]8 D; a/ d! T) B1 o" E. j
Explanatory Notes:4 S$ M& v% H" y: q3 b
This issue was raised at the 2008 CTL meeting after discussing the proficiency testing
' j# _- R; u* u# I$ w- Bprogram on plug discharge 2007/2008. Participants used several different probe# o2 p5 x( c4 Y& X# a9 A* Z
impedances, which caused inconsistent results. |
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