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lds08080808 发表于 2016-9-26 09:35 
0 \0 p I; l/ c2 c9 C) l% o老大，是UL998，平时做美标产品少，欧标做完非正常不会重加水去评估，对美标标准理解也不透彻，所以上来请 ...
: _6 d' x1 B# O. H s65 Abnormal Operation Test
# y7 c) ]+ e, h' ^2 X3 |* n) i65.1 General
" ~/ B* b5 r# V" w- S* ]3 b65.1.1 If the conditions of normal operation are not representative also of abnormal conditions likely to be: B/ c, T, n+ l% G# @
encountered in actual service, the product shall not cause a risk of fire, electric shock, or injury to persons
4 |! I p$ L# k0 Ywhen operated under such abnormal conditions.
* ?8 D( G# n8 u% J- v65.1.2 The conditions resulting from abnormal operation of a product shall be confined by the enclosure
% H" m) K% K3 ]/ P% ~+ D- Qwhen the product is subjected to tests such as blocked armature in a relay, transformer burnout, stalled/ c3 \3 g$ `' \5 i: ?
rotor, operation without liquids, or other conditions that may be encountered in service.2 t6 ^0 t! w; z' R
65.1.3 An electrode-type product shall be operated as described in Clause 65.1.4 until ultimate results are; E( ?! H( |7 l
obtained. The results shall not be acceptable if a nonintegral branch-circuit protector trips during the test.
" C/ F, e7 M" fAfter the test, the product shall comply with the Starting Test, Clause 55 and the Input Test, Clause 56.8 K: \( n1 }- P U4 X% y* r
Exception: A product need not be subjected to this test if the water-level-limiting device operates for" Q$ i! A4 ~+ l
100,000 cycles with no mechanical or electrical malfunction or significant pitting or burning of the contacts. j6 Z3 O: r9 R/ q5 l2 t* P% {
65.1.4 The product shall be mounted as intended and connected to a source of rated voltage. The drain
- D: F9 g; }; m( f/ \valve shall be blocked closed, the water-inlet valve blocked open, each water-level-limiting device shall4 Q+ P0 T5 W1 K# K
be bypassed, and the electrodes are to be electrically connected. In addition, the product shall be S0 i4 v0 b- s- n; N( V
mechanically and electrically isolated from any ground means. If the hardness of the water may be a5 M- R4 X) `1 @ r: C7 N
factor, the test shall be performed with a solution of 0.5 g (0.018 oz) of calcium sulfate (CaSO4) per litre
6 j) A6 s y# S t9 I4 e3 i$ L& Oof distilled water. The product shall be operated until ultimate results are obtained.
# L/ K! E. d! G& H: G/ H% ?65.1.5 A product that is permanently connected to a water supply shall be operated without water.5 z* \7 A" N; g) Q* K
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发表于 2016-9-26 08:52
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发表于 2016-9-26 08:56
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