본질안전 방폭의 단순 기구

Simple apparatus in Intrinsic Safety type of protection IEC 60079-11 / 5.4 2.5 Simple apparatus In general, intrinsically safe apparatus is certified; usually by an independent body such as an Accredited Certification Body (ACB) under the IEC Ex scheme. Self-certification by the manufacturer of ‘ic’ equipment is also quite commonly accepted. The exception to the rule is ‘simple apparatus’, which is considered not to appreciably affect the intrinsic safety of the system. This apparatus is exempted from the requirement for certification. The simple requirements are clearly specified in the a..........

원문링크 : 본질안전 방폭의 단순 기구