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|  DSH 716" @$ E( f8 h& d" K g2 B
; S5 A ], g! d! x7 {7 q
| Probe impedance for plug discharge test+ `9 x, i$ A+ }6 {+ A$ v- c
| 9.1.6 (IEC 60065) 22.5 (IEC 60335) 2.1.1.7 (IEC 60950) 6.1.2, 6.10.3 (IEC 61010) + any other as applicable; E: I/ E$ c/ A# v. t$ C0 }
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Standard(s): No. Year6 ~" e5 V$ g, S1 S V
IEC 60065
3 Q* Q% c' e/ U( |/ [2 `IEC 60335$ ] j, l; k$ W( z
IEC 60950
X# m9 n3 ]* _4 \! X. rIEC 61010
2 ~$ `1 E8 ], N( _( ~4 _1 E+ any other as applicable
% Z5 |% w/ W7 m% |, X ADSH-0 z) }. b) [! h& H) l
07164 J% i4 \1 z2 Z
2008
- L0 y$ ~( _- {( iCategory:8 a: u1 `; Q B* |7 _
HOUS, MEAS, OFF, TRON,. s6 `% ^2 ?. u" F
Various…
9 M) }* h: l3 @- @! p) A4 ESubclause(s):
# @* Q7 ?7 ]- O; m T/ l5 P- w9.1.6
I7 d* w5 D5 m22.5! i7 W9 b. X, _- ^
2.1.1.7
' Q$ d* d0 S6 y& v7 |. [6.1.2, 6.10.3
* C L5 U7 s9 D% f" e. H…
' g, W9 `6 L! F& n, d& uDeveloped by: WG2
# Z( H/ H% o- ^7 M3 i: vWG4
' T( k [3 V/ fSubject: Probe impedance for
`+ \; Y# z$ T6 Eplug discharge test% n$ t. T5 }* ]: e2 b
Key words:
* h6 @5 ~! S8 F+ j: A6 n3 ^+ |5 R; G- Probe impedance
+ G4 G& m, o6 l" H( o- Plug discharge5 V, n0 W! M. B$ a
- >= 100 M
; j$ A2 N9 x) m5 u9 m; P% P- 25 pF or less! T. D" ]) D4 G5 o) ?! U( b
Decision approved at the/ ?; o2 F7 h! d" @
2009 CTL Plenary Meeting
9 {! L$ J( k& ^( i' J2 m" {Question:+ N9 D* [" l2 n# N, o5 {
When the plug discharge test is performed using a voltage probe and oscilloscope for
" Q0 V' m! d8 u! f( g! ^6 Ydirect measurement of the voltage decay, what probe impedance shall be used to ensure8 j K1 a; @! ^7 W H+ p) R' y
uniform and comparable results?
5 {" K+ ]4 |. N" S+ bNote: IEC 60950-1/2005 specifies 100 M ± 5 M in parallel with an input capacitance of 20pF ± 5 pF.+ ~& F1 Z- D, k) R" D
Decision:2 M- I1 G, ~6 H. {
If the relevant standard does not contain contradictory requirements, a voltage probe
9 @: {8 y7 `- x2 Hhaving an input impedance of 100 M or greater in parallel with an input capacitance of! X+ W7 G8 o2 h. R0 O7 T! d
25 pF or less, shall be used for this test.
# d1 ]3 x8 d0 e. N2 SFor other (automatic) equipment with special measurement techniques equivalent4 [* y4 B! M% D/ s: p
measures shall be taken to ensure comparable results.
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) }- W* s# S# N3 J P! q% d
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