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|  DSH 716
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) N; s' e8 O+ L2 s v" N | Probe impedance for plug discharge test2 c; I7 h% N# ?
| 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
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8 a' m3 z6 T3 b {Standard(s): No. Year
# l6 B4 l% B, a2 `- @# V8 LIEC 60065
. O) {) C" U1 v* l% b- [2 VIEC 60335
- n4 s5 Y {7 Y- s7 OIEC 609501 D. f: X+ J) n6 ?- t0 R
IEC 61010$ \& U+ o ?& E. \6 e3 O0 D
+ any other as applicable. X9 W4 U' x0 Y5 u2 o
DSH-' Q# A, N* o: J$ R$ f
0716( W2 X5 d3 y; S" Y7 d8 Q* H- l: A+ X) q
2008
. m8 q* ~6 a) a- K2 M* sCategory:
9 \& v/ r5 x* B: q4 D7 e. m! L; GHOUS, MEAS, OFF, TRON,. l x- m/ e. t3 X9 N
Various…3 V. O3 v; M$ Z1 b: z% E
Subclause(s):& h% w4 H! @# ]9 \
9.1.6( J6 S! o4 C1 Q* Y
22.5
: u0 x" G4 ?! }' j4 i- B T2.1.1.7
+ o$ f6 }" I ?: X$ I8 b. N6.1.2, 6.10.3
3 ]% [+ k- |1 C…& D& G+ Y7 h1 g; `- N4 |
Developed by: WG2
+ Y; A. x$ a% X& P kWG4
0 F I( O+ T9 G2 E( z- ~/ p. i' lSubject: Probe impedance for
! ], \- X. q3 e$ d( R3 M; L4 Vplug discharge test
5 e+ Z" x* K5 Y1 VKey words:3 e- _! L/ O) G- ~7 w2 x# f) _8 _
- Probe impedance1 D$ k# u4 @( R( B* c3 D
- Plug discharge
/ i3 b. y1 J# F$ |- >= 100 M
% l0 D) R7 Q8 R- g- 25 pF or less5 `$ \$ B" U' T( \: e. v
Decision approved at the$ `0 L' u' X" e& J' B) _7 j8 }" U7 _3 h' d
2009 CTL Plenary Meeting( S" a" m" G, `* C9 {/ e% O3 ]5 ?
Question:
0 H. n( {# o4 p/ E/ e% ~! j4 h* EWhen the plug discharge test is performed using a voltage probe and oscilloscope for9 P" s( D4 h5 C( E$ z/ d! f( P
direct measurement of the voltage decay, what probe impedance shall be used to ensure1 e2 ?+ u* V: P/ j3 T1 |
uniform and comparable results?9 t# p. H( |) U# S' d' f
Note: IEC 60950-1/2005 specifies 100 M ± 5 M in parallel with an input capacitance of 20pF ± 5 pF.5 X$ S: g" o+ h9 [# S" ^8 h2 b, b
Decision:. ?4 |" A, k4 K
If the relevant standard does not contain contradictory requirements, a voltage probe* A: }( F% N# F3 [4 f
having an input impedance of 100 M or greater in parallel with an input capacitance of" s0 D$ b( z! T
25 pF or less, shall be used for this test.5 i% p" s7 x) B2 ~
For other (automatic) equipment with special measurement techniques equivalent( v3 |$ x/ l2 c7 F8 A: k
measures shall be taken to ensure comparable results.
# A! ]6 p p! Z+ Y4 x; V1 Q2 m8 d2 y/ c, e4 H# R, ?
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