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9 g0 Z/ @( S9 {: }8 w: E8 ? | Probe impedance for plug discharge test" O3 @) p, Q$ f* \ A) m* 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
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Standard(s): No. Year5 @9 I, X; U# |; ]4 N: K+ [3 M
IEC 60065% ~! s. U% Q6 P! H' V
IEC 60335$ ^7 s+ u) X' k# @1 H6 T: q
IEC 60950$ S# b i. G& P. Y
IEC 61010
( x. o. t9 ]3 w, [+ any other as applicable1 Y- ^6 r% Q; g' A
DSH-( X" V3 p* P2 a
0716
4 S/ d8 G3 @2 G& w/ L2008
+ G) r+ {5 A: g3 J/ G" M1 BCategory:8 H7 K' B. |% @% t; N/ n
HOUS, MEAS, OFF, TRON,
) w9 {' F1 H1 G( M A8 AVarious…& R, G! \$ M. ~6 }, ]2 m* F; }& k
Subclause(s):
" [9 C0 d! ?# U0 _% d9.1.6
3 F+ w+ n8 f5 _* Y z p22.5+ `+ N0 d0 b+ e. A8 @* `" o A
2.1.1.7
0 K, V" C* ~2 i2 u6.1.2, 6.10.3
& R. w& |1 ? n5 V3 D) h9 W…
8 ^/ p. @' }4 t/ VDeveloped by: WG2' T2 Q/ D0 Z" ~3 G) K# @6 F) `& h
WG4" Z. e6 c0 ? S# ? E5 Z+ O7 K: r
Subject: Probe impedance for$ G1 A# s7 q! ^# y" r
plug discharge test
1 `) C+ e' a6 |: h- j1 T/ kKey words:
# f6 j) I4 ^1 }% b- Probe impedance
2 j$ Y! L" C# ?9 a4 F) M$ a- Plug discharge
2 D* L+ a% m3 H- >= 100 M$ W" X% L8 v0 j \3 E6 r
- 25 pF or less O' M6 p0 u) b6 s
Decision approved at the8 P4 V1 U5 C& C" ]& s n
2009 CTL Plenary Meeting' D+ q6 u* r6 d( D/ w0 I
Question:
5 d5 e" N$ U; zWhen the plug discharge test is performed using a voltage probe and oscilloscope for' K+ C1 x) E# D9 A
direct measurement of the voltage decay, what probe impedance shall be used to ensure+ p! F/ \1 |' r. n3 n
uniform and comparable results?
# l+ M, F' G' D% `Note: IEC 60950-1/2005 specifies 100 M ± 5 M in parallel with an input capacitance of 20pF ± 5 pF.
# V+ U* r" M3 x* X+ LDecision:
+ o; u. d. b: \& F: gIf the relevant standard does not contain contradictory requirements, a voltage probe
- H4 g D2 \: o! s4 thaving an input impedance of 100 M or greater in parallel with an input capacitance of
2 C0 T6 Y: G# i25 pF or less, shall be used for this test.
3 m5 L" U8 K$ F/ sFor other (automatic) equipment with special measurement techniques equivalent
% _3 y* h) r4 j+ u' C" rmeasures shall be taken to ensure comparable results.
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