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The EMF (Electromagnetic Field) measurement at the highest level component for the sample with a 30cm measuring distance was shown as below: 1 {/ Y$ J" S8 t, j; O4 v9 s, n
Weighted Result (W) Limit Pass/Fail 1 m! S; N# T6 B* F- t0 H. G
0.01877 <=1 Pass
8 ~* B$ M5 \3 I* q% q8 O' F
8 ^) q% d7 F, g: h" S nNotes: The weighted result is obtained from the sum of the frequency components using the following formula: W = a*r*B1/B2 - w9 H. }& l: g2 |& z5 F: J! W9 X
Where 3 ^+ K; r7 V6 X3 x$ g: p; E
W is the weighted result;
3 U; C* I8 d* {- y7 q& WB1. is the r.m.s. value of the magnetic flux density;
" o+ F4 ~. S! I5 ^9 H0 ~9 WB2 is the reference level of the magnetic flux density at 50Hz; . i! L0 Y S& _) ?
a*r is the coupling factor. |
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