)
2–2
Filters
,
*
%
'!*
!
!
3!
!
!
The filters are installed on a disk driven by a stepping motor which moves from one filter to
the other.
Three different filters are supplied:
D
Molybdenum: 0.03 mm,
D
Rhodium: 0.025 mm,
D
Aluminum: 1 mm.
Note:
The Column electronics control the filters according to operator requirements in
1-point or 2-point mode, or to software requirements in 0-point mode.
4#
)+
3#
C4#
!/H! !.
&%&
.$-%
&%&
&%&
-&
&%&
&%&
The minimum filtration permanently installed in the useful beam of the X–ray tube is 0.008
mm Al equivalent (8 micrometers Al) at 30 kV (corresponding to 0.69 mm of Beryllium).
Note:
Fixed Layers of Material in the X–Ray Beam incident to the Patient.
The values obtained at 30 kV are given in the table below:
3&B-1 #,(-.' *? ,;-.&,+ &< ;%- 79,( $-,
&<0&1-<; ;* ;%- /,;&-<;
C4#
;F 2
",&% B!
!*%&/&#!&% B!
C#. 3,, B!
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