BriefMeasurement

 

permeability

 

 

mntsignal￿owisshowninFigure5-1.

Theory

magneticTheanalyzermaterialcanmeasure.

relativepermeabilityforatoroidalshape

 

 

analyzerFicalcugurelates5-1.theMagnecrelativeMaterialpermeabilityMeasurementfromtheimpedance.

 

Thecalculationformulais:

 

Whereo

 

Z

2￿

 

 

 

meahigsurehtofdMUT(MaterialUnderTest)

 

 

,

￿=j!￿

hln

+1

 

Zm

 

reltivepermeabiliy

 

 

 

 

impedance

 

￿

 

prmeabilityoffreespace

 

b

 

out

 

 

 

 

5-2MagneticMaterialMeasurementQuickcStart

innerdiameterofMUT

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