PDSH 1017 Samples selection (family products)

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小型摆管淋雨试验机

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E12灯头量规

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IEC60335试验指甲

PDSH 1017 2 j5 V" V! m, i1 b# R' R

Samples selection (family products)

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60921(ed.1);am1;am2 & 60921(ed.2);am1 & 60923(ed.2);am1 & 60923(ed.3);am1 & 61347-2-9(ed.1);am1;am2

* |1 @4 |/ D9 mStandard(s):
& T& B) ?% T1 P+ ~IEC 61347-2-9
IEC 60921
IEC 60923 All editions
' L: u5 E2 Q4 j, E4 I6 ~Subclause(s): General
No. Year PDSH 1017 2010
Category: LITE Developed by: ETF5 OSM/LUM
! H7 d+ A  u$ n2 p. s! S0 ^, OSubject:
" S% d8 w7 k' }% g- ]5 s" xSamples selection (family products
Key words:
# Y6 n2 i" x2 r. a9 q; ~1 ?- Samples selection
- Family products
- Ballasts
To be approved at the 49th CTL Plenary Meeting, in 2012
Question:
What samples are to be selected in case of family products?
6 ?  H; L' w/ x# x( {Decision:
Ballast for tubular fluorescent lamps and discharge lamps. In general it is necessary to carry out the tests
0 F) R$ {( C# J* |7 V9 @6 ~% t+ Z: N; mon all the types of ballasts with the following exceptions:
- resistance to heat, fire and tracking - it is possible to test only one type of ballast if the
materials used are identical;
; X1 ~3 g: n6 m' Y: e7 _. q8 i: X6 t- thermal endurance of winding, (clause 13 IEC 61347-2-8/2-9) – for ballasts of the same
0 s8 j: d2 J0 s. Xseries is sufficient to carry out the test on samples of minimum rated wattages and on the
+ S+ e$ o7 S( H3 zmaximum one. All the intermediate wattages are considered extensions.
The ballasts are considered of the same series if:
$ j" {2 v$ K0 y  ^  ]- they are covered by the same standard, (e.g. IEC 61347-2-8/2-9);
- they are of the same construction. It means that they have laminations or cores with identical
pattern range, with the same insulating material;
9 z& D2 K& I7 F4 n, e( ]2 p- they have an equal assembly technology;
- they have the same "tw" value. In some cases of ballasts for discharge lamps, for different
* J% j, S: Y- ?5 V6 b% e9 B, Utypes of lamps, (e.g. Hg, HPS, MH) may be of the same series.

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