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10
In the following we show a plot representing the 0.5 T, 1 T, 1.5 T, and 2 T iso-magnetic
contours at positions accessible to and relevant for the MR worker as far as the static mag-
netic field in the isocenter exceeds any of these values.
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
−
0.2
0
0.2
⊗
: At this location, the value of the magnetic field B
!
The iso-magnetic contour lines are accurate to a value better than 1%. There is very lit-
tle influence from the environment to the scanner. The graphic shows the cover in
nominal position. On a variety of scanners, the position can vary ±5 mm in the axial
direction. The maximum value therefore has a tolerance of ±10%, as small geometric
deviations can cause a significant change in the value.
Siemens AG Healthcare Sector
3.4 T
0.4
0.6
0.8
Z Axis (m)
1
1.2
1.4
is greatest.
o
11/12
Side view
Patient table
1.6
1.8
2
MR compatibility data sheet
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