DSH 757 Surface tension requirement for wet leakage current test

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DSH 757

Surface tension requirement for wet leakage current test

10.15.2.a)

61215(ed.2) & U6 i$ z( `  p4 y# q

Standard(s)- (incl. year)
IEC 61215:2005 Ed.2
. p1 f+ p% o# g, N: w2 X4 DSubclause(s):
10.15.2.a)
No. Year
, v/ r9 v0 k. ~0 uDSH
0757
0 \( I1 F( \/ C: t/ ?! |2010
Category:
; H' n* g8 s8 w/ L6 vPV
Developed by:
  q" s% _3 v$ Y2 gETF 9
Subject:
Surface tension
requirement for wet
6 q& y7 O6 q4 P' @- X! Aleakage current test
, s( W0 B) y5 O0 Y" S0 PKey words:
Surface tension, Wet
Leakage Current Test
# x5 K1 m! J* b6 E1 k, JApproved at the 2010
2 z1 J7 u( n! f9 ]( K% ~5 Y$ ZCTL Plenary Meeting
Question:
* s9 O$ e' D1 _7 T7 l0 aIEC 61215:2005 Ed.2, Clause10.15.2.a) requires certain surface tension of the water
1 p' Y0 @- z% Z8 \" afor the wet leakage current test, however, the newer standard IEC 61646:2008 Ed.2
' u5 R. T8 v% W0 r  _Clause 10.15.2.a) does not. The water surface tension measurement was required
0 z6 n( e% p( G3 O" @! qalso in the IEC 61646 Ed.1, but this requirement was deleted in the second edition.
7 v" p6 A4 G4 a( hThe WG2 of TC82 has made the same decision for the upcoming IEC 61215 Ed.3
+ L4 `- L6 E% J1 Xstandard. This standard, however, is not due to be released until 2010 or later. It is,
! R9 K3 G% t: K/ O4 Utherefore, suggested to resolve this discrepancy by this decision sheet.
Decision:
4 _0 N! x4 [( Y  _- O2 sInstead of IEC 61215:2005 Ed.2 Clause 10.15.2.a) use IEC 61646:2008 Ed.2 Clause
+ M1 b7 t5 U9 D10.15.2.a)
3 p) V( F6 l0 @# p
( V' H5 M. ~3 ]: ^6 H