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本帖最后由 zhangfc 于 2015-6-26 19:16 编辑
+ G% O/ k; b* Q1 e让梦飞翔 发表于 2015-6-26 16:58 
. o; a% w: U8 N \0 ]还没查到哪里有的买? 8 c: \0 x( p8 ~$ k8 e1 Z# I1 Z/ K3 S
这个东西,我们实验室有。好像从顺德商检局或质监局买的。- R7 E) ?/ t9 t0 u# A2 q% Q' J. W- I
3 D1 x" j; t6 i0 X, v( G) w, W这玩意只能测220V以上的,120V左右的测不了。
/ ^8 L p0 ^- V! PDSH-0716
/ q, o1 ^& m4 T9 b0 z m; x8 `If the relevant standard does not contain contradictory requirements, a voltage probe
( T- G, f! {' H2 j8 Mhaving an input impedance of 100 MΩ or greater in parallel with an input capacitance of5 I& }8 t2 @: m9 j
25 pF or less, shall be used for this test.: A4 d) a5 l7 d' p( l
For other (automatic) equipment with special measurement techniques equivalent
* s' H( [% I; B% jmeasures shall be taken to ensure comparable results.6 S+ S& |* m1 q( F0 n. F8 {1 F
Explanatory Notes:
" K* E5 Y, e5 L* E; x v) Y+ V, LThis issue was raised at the 2008 CTL meeting after discussing the proficiency testing
; y3 }! M! {- K% S1 Cprogram on plug discharge 2007/2008. Participants used several different probe
; p! Y8 K3 w+ x* ] X" Kimpedances, which caused inconsistent results. |
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