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本帖最后由 zhangfc 于 2015-6-26 19:16 编辑 # d" o9 T# T' G3 [0 B
让梦飞翔 发表于 2015-6-26 16:58 
$ d% k$ n$ N4 Y2 D4 c5 a* Y- {* s还没查到哪里有的买？
0 J5 Q0 ^* G- \% ~& g5 o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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4 N: g5 _" M( D- o' I这玩意只能测220V以上的，120V左右的测不了。
: L* |1 ]) E6 A- ]DSH-0716
+ ]& K2 I. b e7 L- ~7 h/ O* Y8 YIf the relevant standard does not contain contradictory requirements, a voltage probe
- S. Z. v z# {0 u9 shaving an input impedance of 100 MΩ or greater in parallel with an input capacitance of
8 O, V$ F2 v1 N- \& B F5 b! X25 pF or less, shall be used for this test." c3 R$ r" n' {9 D9 A
For other (automatic) equipment with special measurement techniques equivalent. t+ _$ ]1 b; E- v( R/ ?5 j) Z( }
measures shall be taken to ensure comparable results.; T* w! o3 ]+ Z# f; n0 |# `9 V7 b
Explanatory Notes:
) y% _$ N3 H( i$ }# K) \4 X m Y; GThis issue was raised at the 2008 CTL meeting after discussing the proficiency testing
0 T9 [- I+ @1 q6 Aprogram on plug discharge 2007/2008. Participants used several different probe5 E" H& e0 p5 G+ D3 o/ K* ^
impedances, which caused inconsistent results. |
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发表于 2015-6-26 16:59
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