|
The EMF (Electromagnetic Field) measurement at the highest level component for the sample with a 30cm measuring distance was shown as below:
- Y- Z; V: F! P7 x+ I3 yWeighted Result (W) Limit Pass/Fail
( r( y2 I! c1 s 0.01877 <=1 Pass
% @+ j4 \: P- |2 Q! x" ^1 W: `, U4 H6 o1 _" L3 ]$ k4 h
Notes: The weighted result is obtained from the sum of the frequency components using the following formula: W = a*r*B1/B2
. Q Q4 i8 f& `% gWhere 7 c5 ~# i/ ]) J. K
W is the weighted result; , `7 v$ n) ^. Z D! B0 l( s+ c
B1. is the r.m.s. value of the magnetic flux density; 6 I5 n h2 b* e* w+ [
B2 is the reference level of the magnetic flux density at 50Hz; U7 C: m# `9 ?/ ]* G J
a*r is the coupling factor. |
|