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本帖最后由 小米 于 2012-9-4 14:24 编辑 , I7 P; G" l! ]6 F/ {
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|  DSH 586 | Three Phase Power Supply for CB Testing Laboratories. O6 a; }" H8 @4 [; ~) r+ W# |, B# x
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| CB product categories CONT & PROT* o$ m- G5 b$ p/ Z% K* X T
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Question:9 L1 m" R$ f0 @& d( H
Must a CBTL be equipped with the three phase power supply even though its current testing does not
1 d0 W& g8 G( |1 Mcomprise products that shall be subjected to testing with a three phase power supply?7 X0 h4 k- K2 ?$ M
Decision:/ W9 a7 [ T {0 M9 b; w9 h, K
A CBTL must have the three phase power supply for the relevant standards in its scope for categories8 H1 [6 z; Y6 F$ c( n0 ~; X6 z) @4 ]9 ~
CONT and PROT.
* R; Y2 J) u, \4 s0 E" x1 dA limitation of the scope to a single standard for a CBTL is not foreseen in the rules of the CB Scheme.8 c; L+ B7 l ], v, U
The following is a list of standards for the CB categories PROT and CONT where a three phase power1 K1 x, H7 u0 u0 i
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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