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本帖最后由 小米 于 2012-9-4 14:24 编辑
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|  DSH 586 | Three Phase Power Supply for CB Testing Laboratories0 k- w% t6 @: B
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| CB product categories CONT & PROT
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Question:# o* y6 F# A+ p
Must a CBTL be equipped with the three phase power supply even though its current testing does not
! g, c6 R8 v) S/ W7 k2 Xcomprise products that shall be subjected to testing with a three phase power supply?: s! U D* E7 p8 O) N# i1 k( b3 [
Decision:
& D( C. ^" f: e# J5 A# [+ p8 ]A CBTL must have the three phase power supply for the relevant standards in its scope for categories
$ k! k4 K7 L9 r* ? s9 v5 M, dCONT and PROT.* I9 h( R5 z; {8 [# c: Y
A limitation of the scope to a single standard for a CBTL is not foreseen in the rules of the CB Scheme.
( K9 z. l+ o. Q% h- r3 _The following is a list of standards for the CB categories PROT and CONT where a three phase power
( H- O' P; J2 o5 m# z( }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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