Universal Radiographic System
Service Manual
SM-0524R4
34
6. Place the Small Tool included in the SID Stand Test Tool with two straight
narrow wires crossed on the center of circle at top SID Stand Test Tool.
Place a small signal on the circle in order to mark the position.
Illustration 4 -12
Light Field over SID Test Stand T ool
7. Load on the cassette film Tray with a cassette film of 24 x 30 cm centered
and insert it.
8. Make an exposure at 60 kVp, 1 mAs.
9. Process film and check the following measurements known (Refer to
Illustration 4-13):
a. Measure the height h, it is the height of the SID Test Stand Tool
plus the distance from the Table-Top to the Film.
b. Measure the radius of window (d/2) on the SID Test Stand Tool.
Illustration 4 -13
SID Calculation
FOCAL SPOT
X-RAY TUBE
COLLIMATOR
WINDOW CIRCLE
SID TEST
FILM
D
d
h
(x) TO CALCULATE
SID ?
STAND TOOL
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