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* ^. f# X$ Q( T& i | Probe impedance for plug discharge test o0 n( S) n4 A8 g2 u
| 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 applicable1 C# Y! T9 A4 d; b& E% u# u& c/ N- Z
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Standard(s): No. Year
, U9 o5 w9 ]- @% f- K7 u; | s" yIEC 600653 I! G1 M: n8 v) V4 _7 p
IEC 60335' s' `% z( s% n% N+ o3 `0 V
IEC 60950
( i( s4 a3 r* @IEC 61010
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5 X0 u0 r! F, `+ p8 DDSH-
/ M9 y" M/ ?" ^" O07166 C& G: ~# q! y
2008
8 x! X( _$ j% k t$ [Category:
7 f" D) w( S7 S' z# x* O! E" W$ mHOUS, MEAS, OFF, TRON,5 E% M7 D. o W n) }/ [
Various…
: a ]# s% X0 v. w5 vSubclause(s):- g# {- X8 T- I' a$ p
9.1.6( O6 |" q/ Q# T) Y$ B" V8 y5 C
22.5+ P- L5 W A, }" R- r# U# A# Y
2.1.1.7, E3 y' D8 x: a/ r+ B, l3 W( o3 k
6.1.2, 6.10.32 F* d; X, {3 c8 H. ~' m
…
7 X0 D# o# ^4 x' r- PDeveloped by: WG2
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. s* `8 j) f4 { H* N2 N0 X: c7 pSubject: Probe impedance for
/ O. b% R& ~ a, Y+ o: C- Yplug discharge test$ ]$ j3 S( @7 ~ n4 m% `8 _% O
Key words:' R% x- h# d+ |& L
- Probe impedance
2 f- W' l' H) H8 A- Plug discharge
9 ]" z) O: }+ A5 Q! e- >= 100 M0 H) K# m o, k& }" u" z' \* ^. q
- 25 pF or less8 h) A; u0 t( u+ s
Decision approved at the/ r( D, \# n1 I8 e$ e2 G
2009 CTL Plenary Meeting
& G1 r9 V4 }' o: R' t6 ^Question:
& A1 B7 t9 I) iWhen the plug discharge test is performed using a voltage probe and oscilloscope for% Q& l N9 K% ~) w/ W
direct measurement of the voltage decay, what probe impedance shall be used to ensure
" e% Q. J, v7 K9 runiform and comparable results?
, V* }! S/ k+ O) V! F3 QNote: IEC 60950-1/2005 specifies 100 M ± 5 M in parallel with an input capacitance of 20pF ± 5 pF.
- ]) X# k3 g7 q# H7 _) Q" @Decision:' }2 W# w- V7 |! m3 Z
If the relevant standard does not contain contradictory requirements, a voltage probe
, {2 m/ p. m5 O: hhaving an input impedance of 100 M or greater in parallel with an input capacitance of" |& V/ I2 b$ O2 d6 Q9 T
25 pF or less, shall be used for this test.
8 r; x( Q2 Z6 H* PFor other (automatic) equipment with special measurement techniques equivalent3 a* t( g9 y( q" l# M0 p" V* n) y
measures shall be taken to ensure comparable results.0 X D& s, @; o K
+ L+ ?( i% H4 \$ V" k. ^0 L
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