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本帖最后由 zhangfc 于 2015-6-26 19:16 编辑 0 M5 c* Z+ j/ ~+ P( z" A5 c
让梦飞翔 发表于 2015-6-26 16:58 
& X' f5 z p. G$ ~; W还没查到哪里有的买?
$ }9 D* `& W5 B' M6 l8 C# p- J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 c# `, T3 d3 G4 ~* C3 z
; ~* V0 l2 G' \) D$ ]0 j+ m这玩意只能测220V以上的,120V左右的测不了。, i0 j+ ?+ Z6 m( q8 Z
DSH-07167 f4 N) n1 k& v1 i' t8 d0 k
If the relevant standard does not contain contradictory requirements, a voltage probe; M& f& ^; H( u4 Y
having an input impedance of 100 MΩ or greater in parallel with an input capacitance of
1 p ?5 X K7 M& q25 pF or less, shall be used for this test.+ v( o* f; ^$ M
For other (automatic) equipment with special measurement techniques equivalent
9 m& E J$ M k- Tmeasures shall be taken to ensure comparable results.# a8 L/ B2 t7 x% D! h! g
Explanatory Notes:- c, ~) V- q' T) T. {3 K! c
This issue was raised at the 2008 CTL meeting after discussing the proficiency testing
( e p9 S3 Y& B" [4 D# jprogram on plug discharge 2007/2008. Participants used several different probe
9 T) q) R6 J E: D- [, y# gimpedances, which caused inconsistent results. |
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