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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。4 Y+ u1 G( I. ^% Y. F
2 x& G+ W/ T: s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：: l9 `+ H( F! ]9 |( o# Z* C: T/ n; s
1. Environment:
6 p% t% |( f/ A+ f1 b; }6 yAccommodations 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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2. Equipment:+ b1 g m! z' R1 L/ P* ]
Testing is being conducted within the test equipment calibration dates. (See Test Instrument Information Page and ISO/IEC 17025 5.6.2.2)7 h5 k. m# N) z2 ?
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3. Critical Consumables:( s+ e" C( w7 d( ^
Critical consumables are compliant with test standard requirements. (ISO/IEC 17025 Clause 4.6)! E. x8 L" o. R( j
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4. Sample Identification:
! a1 C' {; T8 E; N. f& fIdentification 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). G3 Y3 J( P5 N6 |" D
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最后得出如下结论：
" _0 [2 x# }4 w/ o8 i% W* CSummary:
$ G5 F0 p5 F9 l: Y" RThe 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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