Siemens POLYMOBIL Plus Service Instructions Manual page 39

Measurements
Evaluation:
•
Measure the deviations (X1, X2, Y1, Y2) between the edges of the light field and the
radiation field on all four sides, corresponding to Fig. 17.
•
Calculate the total deviations in the X and Y directions (disregarding the algebraic sign).
X
2
Fig. 17
•
The deviations in length (total Y) as well as the deviations in width (total X) must be
smaller than 1.6 cm respectively.
Siemens AG
Medical Engineering
Y
1
Y
2
SPR8-125.061.02
Rev. 01 01.00
Film
Light field
X
1
Radiation field
Page 17 of 20
TD SD 24
5 - 17
POLYMOBIL Plus