CISPR-16-4-2 Specification for radio disturbance and immunity measuring apparatusand methods - Part 4-2: Uncertainties, statistics and limit modelling - Measurement instrumentation uncertainty

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CISPR 16-4-2:2011+A1:2014 is a basic EMC publication. It specifies the method of applying Measurement Instrumentation Uncertainty (MIU) when determining compliance with CISPR disturbance limits. The material is also relevant to any EMC test when interpretation of theresults and conclusions reached will be impacted by the uncertainty of the measurement instrumentation used during testing. This secondedition includes significant technical additions about methods of conducted disturbance measurements on mains and communication portsand about methods of radiated disturbance measurements using a FAR in the ranges of 30 MHz to 1 000 MHz and of 1 GHz to 18 GHz. The annexes contain the background material used in providing the amountof MIU found in generating the CISPR values shown in the main document and hence provide valuable background material for those needing both initial and further information on MIU and how to take individual uncertainties in the measurement chain into account. The annexes, however, are not intended to be a tutorial or user manual or to be copied when making uncertainty calculations. For that purpose, the references shown in the bibliography, or other widely recognized documents, may be used. Measurement instrumentation specifications are given in the CISPR 16-1 series, while the methodsof measurement are covered in the CISPR 16-2 series. Further information and background on CISPR and radio disturbances is givenin CISPR 16-3. The other parts of the CISPR 16-4 series contain further information on uncertainties in general, statistics and limit modelling. This consolidated version consists of the second edition (2011) and its amendment 1 (2014). Therefore, no need to order amendment inaddition to this publication.



To find similar documents by classification:

33.100.10 (Emission)

33.100.20 (Immunity)

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Document Number

CISPR 16-4-2 Ed. 2.1 b:2014

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Publication Date

Feb. 1, 2014

Committee Number