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本帖最后由 zhangfc 于 2015-6-26 19:16 编辑 0 A9 ^- ?3 _+ ~: B- }- a& l7 }
让梦飞翔 发表于 2015-6-26 16:58 
* B7 X# _2 a1 E6 E3 \还没查到哪里有的买? : J9 u/ b' g: B8 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。" r4 G* @! S' P: [7 g
5 Q; ?8 H! c) e, B- e" H
这玩意只能测220V以上的,120V左右的测不了。
* j- s4 ] u; Y% ]) y" u$ zDSH-0716: R1 o5 C1 c. o; ^( ?! a6 |
If the relevant standard does not contain contradictory requirements, a voltage probe
& N8 a" Z: d3 {having an input impedance of 100 MΩ or greater in parallel with an input capacitance of
9 d5 P4 f4 }+ c25 pF or less, shall be used for this test.9 S3 ]9 t: |" c+ P$ w) A
For other (automatic) equipment with special measurement techniques equivalent
( t$ x; d8 m8 C. H) c( G) smeasures shall be taken to ensure comparable results.! P3 v( u9 n- X/ C M. M' y7 e0 C
Explanatory Notes:
4 o& E( N, ~0 v8 `This issue was raised at the 2008 CTL meeting after discussing the proficiency testing
0 H Y6 l8 d! }5 V' K; Q5 e0 Aprogram on plug discharge 2007/2008. Participants used several different probe: }, }& |0 G E* h* y
impedances, which caused inconsistent results. |
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