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本帖最后由 zhangfc 于 2015-6-26 19:16 编辑
: j6 ]0 T3 K: J3 C. p让梦飞翔 发表于 2015-6-26 16:58 2 m s5 f1 N; \* B: D& Y6 l: s% c
还没查到哪里有的买? % y( X, `$ k) ~5 B5 b0 V a% R
这个东西,我们实验室有。好像从顺德商检局或质监局买的。* p1 u4 v9 f% p; m
- N! A. R2 w& q! q; k7 i7 C这玩意只能测220V以上的,120V左右的测不了。
! l2 _" m6 \- R7 J9 y! V4 ZDSH-0716; k3 }$ q1 w8 Z
If the relevant standard does not contain contradictory requirements, a voltage probe) t9 x/ ?7 M: Y' a/ G* {$ P
having an input impedance of 100 MΩ or greater in parallel with an input capacitance of
# l0 M1 }1 j1 u1 w0 o" b$ e& W5 v25 pF or less, shall be used for this test.6 F0 B! z, C5 |9 |3 J
For other (automatic) equipment with special measurement techniques equivalent
; m2 U0 E, M0 ?8 w5 @measures shall be taken to ensure comparable results.( T: @/ x" W' f" P$ x) F
Explanatory Notes:) o* {8 b3 | N4 {
This issue was raised at the 2008 CTL meeting after discussing the proficiency testing- m5 t3 P9 v/ h/ }
program on plug discharge 2007/2008. Participants used several different probe
4 U, k. {1 W2 ~7 u" Jimpedances, which caused inconsistent results. |
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