I believe that Clause 7.2 contains an error.
Clause 6.2.1 requires the field variation be no more than +/- 3 dB over the
volume of the EUT. For a 1 m square loop, the test volume is 0.6 m x 0.6 m x
0.5 m (h) with the loop centered on the test volume. Therefore, a vertically
oriented loop would be spaced at least 0.2 m above and below an EUT that
would fit within the test volume.
However, the first paragraph in Clause 7.2 requires that the equipment be
raised 0.1 m above the ground reference plain. - no more and no less. But,
the third paragraph of Clause 7.4 says that 0.1 m is the minimum distance.
It appears that Clause 7.2 is in error and Clause 7.4 is correct (it to is
wrong for a 1 m loop, but would be correct for a 0.5 m and smaller loop).
Comments?
Richard Woods
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