( s3 q. a' s. _( V" A* I. iStandard: IEC 60335-1:1991, 3rd Ed. * }5 y) x9 b' K0 P. o& CSub clause: 4.128 R8 Z. t7 e. m! ~ {
Sheet No. DSH-4747 u p Y5 ?! Z9 C3 U- O
Subject: General conditions for the tests 2 N( a( A: p* f1 W3 | ~+ w! hKey words: - supply voltage ) K" B$ e5 n* S4 F. zDecision taken at the 40th CTL meeting 2003 ; O$ W8 t* X6 wQuestion: ( C8 p1 B7 W% r4 V, A! R0 bIn the case of heating elements without appreciable positive temperature coefficient of( F7 o+ t2 W5 h
resistance, should the supply voltage be adjusted during performance of the test? & ^8 i2 |2 \: N. m! G5 h) s! y7 w0 _Rationale: 0 n0 s+ E" s5 `8 I! o! fSee question.4 w) k2 o \2 f" d! m% _1 O2 ?0 i
Decision:' ~1 V- N" E: {5 _8 x
The voltage shall be continuously adjusted to obtain the intended input. , D& o5 Y9 V8 ?1 g$ t7 v" e& e/ O5 n; u7 G$ d
[attach]75859[/attach]% k7 f, s! C D5 E' x0 W! \
DSH 4748 M- d7 n, x6 t% v0 X8 a8 Y