Light Field Relative To The X-Ray Field - Siemens MOBILETT Plus HP Service Instructions Manual

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Light field relative to the X-ray field

Equipment required: Cassette, X-ray film and coins
NOTE
•
Load a 35 x 35 cm (14" x 14") cassette with film.
•
Place the cassette on a table or a similar surface.
•
Set a SID of 100 cm (39"). Use a measuring tape.
•
Switch the main switch to position "B".
•
Switch on the collimator lamp and align the cassette. Collimate the light field to 25 x 25
cm (10" x 10").
•
Mark the four corners with coins and mark one of the corners with two coins (Fig. 13).
•
Set 52 kV, 2.0 mAs on the control panel.
CAUTION
•
Release an exposure.
•
Develop the film and measure the deviation between the light and the radiation field.
Acceptable deviation ± 1.7% of SID (Fig. 14).
E
E
Fig. 15
MOBILETT Plus HP
Replacement and repairs on the collimator
If the MOBILETT is equipped with a DAP measuring system,
remove the DAP ionization chamber first.
X-ray radiation!
If not observed, risk of radiation exposure.
Use radiation protection!
SPR8-220.061.03
Rev. 03
Page 8 of 10
09.03 CS PS 24
E
E
Rotary flange
Siemens AG
Medical Solutions
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