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本帖最后由 小米 于 2012-9-4 14:24 编辑 + o1 t% z0 z9 s: V5 ?/ g) A
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|  DSH 586 | Three Phase Power Supply for CB Testing Laboratories
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2 p& t1 m' P$ w+ ]: Q) M | CB product categories CONT & PROT& y% _* }2 [- P, ?. o
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Question:
* S, c; H1 h: D! C% hMust a CBTL be equipped with the three phase power supply even though its current testing does not
, l2 U& L, O7 K# L+ {; @# |comprise products that shall be subjected to testing with a three phase power supply?+ }! Z& F9 w% R! m
Decision:
4 f1 m9 @. z0 `9 w' m( I( _A CBTL must have the three phase power supply for the relevant standards in its scope for categories6 @4 K8 Z Y9 N. D9 f
CONT and PROT.# [# S" F8 _0 |: `6 `+ o4 a
A limitation of the scope to a single standard for a CBTL is not foreseen in the rules of the CB Scheme.- A+ k- ~; G- P( J& j# K% i8 K) r
The following is a list of standards for the CB categories PROT and CONT where a three phase power
5 [/ h# r+ i) Hsupply is necessary or not to fulfil the requirements of the standard.& X8 A" ]6 \; M2 B" G' `
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发表于 2012-9-4 14:22
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