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本帖最后由 小米 于 2012-9-4 14:24 编辑
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& I9 L: o' I! F: J3 r |  DSH 586 | Three Phase Power Supply for CB Testing Laboratories
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| CB product categories CONT & PROT& G$ g5 e* m3 k. k1 i! O
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Question:7 s/ l4 k2 J* e
Must a CBTL be equipped with the three phase power supply even though its current testing does not
: z1 Y3 D* E4 A7 D/ G, D3 Z! Xcomprise products that shall be subjected to testing with a three phase power supply?; t K6 l# @% ]% G4 d: Q E
Decision:5 L- x4 ]( P4 v8 ^+ q- {3 s
A CBTL must have the three phase power supply for the relevant standards in its scope for categories1 h0 O( b5 D* T9 {# q
CONT and PROT.
/ Z5 E2 N# J3 |9 x) |3 bA limitation of the scope to a single standard for a CBTL is not foreseen in the rules of the CB Scheme.
3 [6 h# q7 C! bThe following is a list of standards for the CB categories PROT and CONT where a three phase power% U4 l; O+ x. c
supply is necessary or not to fulfil the requirements of the standard.
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发表于 2012-9-4 14:22
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