|
|
lds08080808 发表于 2016-9-26 09:35 
' {" J6 b, F- }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 ...
65 Abnormal Operation Test
2 l+ C0 w: @9 n65.1 General
/ Z a3 f4 Y. J( ?7 W2 R; y8 y6 q65.1.1 If the conditions of normal operation are not representative also of abnormal conditions likely to be
5 o7 e/ N5 K6 O. a2 }0 r7 Qencountered in actual service, the product shall not cause a risk of fire, electric shock, or injury to persons2 n# e r1 B$ `3 v- i
when operated under such abnormal conditions.
+ ~6 X! i( p; v# J65.1.2 The conditions resulting from abnormal operation of a product shall be confined by the enclosure3 G7 @ `( |- `) t4 \8 w' C
when the product is subjected to tests such as blocked armature in a relay, transformer burnout, stalled7 Q7 r5 o) e( r
rotor, operation without liquids, or other conditions that may be encountered in service.
6 f1 D7 v' o% q% h" C65.1.3 An electrode-type product shall be operated as described in Clause 65.1.4 until ultimate results are
# j+ q4 l0 A; g. \6 }9 `( Zobtained. The results shall not be acceptable if a nonintegral branch-circuit protector trips during the test.3 M a9 |3 ?" r: r8 i
After the test, the product shall comply with the Starting Test, Clause 55 and the Input Test, Clause 56.) Q* a2 V# h3 t; V2 `
Exception: A product need not be subjected to this test if the water-level-limiting device operates for
! `* V% z& H$ M2 c% S1 u8 s100,000 cycles with no mechanical or electrical malfunction or significant pitting or burning of the contacts.
1 e7 m3 S/ t9 K. [65.1.4 The product shall be mounted as intended and connected to a source of rated voltage. The drain
\9 G k- _0 a) P s8 R$ Wvalve shall be blocked closed, the water-inlet valve blocked open, each water-level-limiting device shall
1 Z& b* {* q. ?" [% Qbe bypassed, and the electrodes are to be electrically connected. In addition, the product shall be
; t$ T: K5 q, u# Wmechanically and electrically isolated from any ground means. If the hardness of the water may be a- ^' H$ b: p2 Y' L" l. `5 z
factor, the test shall be performed with a solution of 0.5 g (0.018 oz) of calcium sulfate (CaSO4) per litre
0 A$ w, \1 F( Y. n1 Y5 V& Xof distilled water. The product shall be operated until ultimate results are obtained.
' P2 B9 |# G/ d65.1.5 A product that is permanently connected to a water supply shall be operated without water.
+ p/ w' ]$ c. ?" T
) n8 t, _) T4 D0 T( e4 U' Q |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2016-9-26 08:52
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
发表于 2016-9-26 08:56
楼主