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|  DSH 716
3 m& y& L( v i# L/ E8 t; G3 w/ M
| Probe impedance for plug discharge test/ p1 @+ P& ]! H
| 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
3 A: S# p: L1 t- d6 r" M! S |
4 x# F: l" @1 T) |, z. BStandard(s): No. Year p i+ n. g' `0 @9 W6 r8 _" D7 X
IEC 60065
/ u) X! q5 `4 A* k% O* sIEC 60335
* \( B- X. _: I+ KIEC 609509 Z) L7 S3 L4 k# S
IEC 61010
* N9 v! y3 e b- I( @% U9 x+ any other as applicable3 F2 p1 X8 {) v8 H' v
DSH-, H, \8 t" F0 g% p3 \. [
0716
& g( p9 v g" H* w6 x+ B2008
% ]! G% H: V$ B! z+ CCategory:
; s6 q6 r* z% _6 Y1 NHOUS, MEAS, OFF, TRON,
7 Q0 D) U, }: k: j8 y2 l) ~# ~7 Y0 AVarious…6 a$ s3 ^, G2 Q$ u
Subclause(s):
/ x- b3 P: n3 a# }4 @( k: D6 y2 j9.1.63 R: ^1 x* \5 a/ @
22.5( s7 {6 k0 U& D4 O" T! V3 x% a
2.1.1.7+ \; E+ X! d" a+ c# @) e6 j
6.1.2, 6.10.3, m8 b0 Y. ?3 r2 h2 I$ b
…% _ a8 z* V% M2 B( f+ V# b1 c: E8 }
Developed by: WG2
' C" G, m, P% _3 o6 \9 |) C0 j3 YWG4
# v m! W% j, z! a3 v) ASubject: Probe impedance for) P9 N0 E3 d( x$ G/ g" ]
plug discharge test# W2 c& Q* A- D" R' l& I, U
Key words:. h2 Q- Z4 h. E
- Probe impedance& y2 U% [( {. e3 @7 E
- Plug discharge
0 c$ R5 h' J e2 r9 p7 i7 H- >= 100 M4 X" R! Y% K4 f
- 25 pF or less
4 S" p' ?9 K1 y+ ]+ }3 ~Decision approved at the
3 a' ]9 L" }2 l4 j( L9 m5 g+ P2009 CTL Plenary Meeting
, x' S( C! R% r, B& v+ d5 Q$ oQuestion:
, t; C# h* { q# CWhen the plug discharge test is performed using a voltage probe and oscilloscope for
* N0 n0 [8 q5 |* y! D1 rdirect measurement of the voltage decay, what probe impedance shall be used to ensure
$ n3 c* V: s; Y2 j8 Kuniform and comparable results?7 D5 z6 S) J' o' ^0 V) S
Note: IEC 60950-1/2005 specifies 100 M ± 5 M in parallel with an input capacitance of 20pF ± 5 pF.
* R6 N+ Z1 d6 k( r" J8 g4 B; k5 N" pDecision:
1 }9 C6 \/ x2 fIf the relevant standard does not contain contradictory requirements, a voltage probe
; Y7 @7 A2 X/ L( A4 ~2 Fhaving an input impedance of 100 M or greater in parallel with an input capacitance of
" Q+ U" N- c" n" W l25 pF or less, shall be used for this test.
0 E v4 U# _: PFor other (automatic) equipment with special measurement techniques equivalent4 A0 }1 I- {2 d9 T
measures shall be taken to ensure comparable results.
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( k; ]& D/ ?* ^7 _4 E, F! p1 f, _7 r( s2 E" A: h; z2 O& e
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