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关于UL的WTDP，不同的UL标准，或同一标准中不同类别的产品都需要先进行实验室审核；一般WTDP实验室审核需要在做WTDP之前完成，特殊情况可以和WTDP同时进行。0 W2 v5 b- B/ o! R! P8 }
$ o& y5 W9 V, j9 v某个UL标准通过WTDP审核之后，并不是每年进行审核，而是在每次WTDP的时候都需要对实验室的如下内容进行的审核：
; q/ E8 z$ c8 p S1 h1. Environment:4 o& N2 R `, C$ l: ~- W
Accommodations and Environmental conditions, including proper power source meet the requirements of the test standard or UL default criteria (ISO/IEC 17025 Clause 5.3.1, 5.3.2. 5.3.3)8 B' u" ?; e9 z6 z r, A
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2. Equipment:4 x5 d$ y! s. z) Z$ i
Testing is being conducted within the test equipment calibration dates. (See Test Instrument Information Page and ISO/IEC 17025 5.6.2.2)
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; v' j7 K( B% `" ]" \0 b3. Critical Consumables:
+ j/ m9 h! Y3 ~7 a! a L) V2 V7 XCritical consumables are compliant with test standard requirements. (ISO/IEC 17025 Clause 4.6)
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4. Sample Identification:8 P7 b5 H+ h/ O9 \5 G. ~& y
Identification of items to be tested has been made (e.g. model no., Serial No., etc.) (See Test Sample Identification page and ISO/IEC 17025 Clause 5.8.2)% l$ b% i) X4 Q( Z" d- ]% a9 A( e
! _) i$ x' G2 Q0 V1 r8 _: w; I3 C5 h! A最后得出如下结论：
; P$ E1 [- Z% J- K7 t% {Summary:
9 Y+ y6 V) Y9 L7 M* n: t8 NThe test facility was or was not deemed to have the environment and capabilities necessary to perform the tests included in this data package. |
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