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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。
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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：4 Q5 B- D! |1 L4 H
1. Environment:
' y) |5 Q4 `" FAccommodations 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)
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3 g* {9 z. |& O7 F2. Equipment:
/ I9 J3 F; X( N- ^6 G6 xTesting 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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3. Critical Consumables:: V7 ^: v, m. f/ S, i; Z% h* E% G
Critical consumables are compliant with test standard requirements. (ISO/IEC 17025 Clause 4.6)
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. ^7 @; V" Y6 g' g# t) Q4. Sample Identification:# |9 ~* G Z+ m8 a8 j }
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)
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最后得出如下结论：+ ~9 ]5 l1 S2 _. k# A
Summary:
) W$ ~9 g' _7 B. v! A- kThe 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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