Ziehm Imaging, Inc.
Vision Installation Manual
MAN 06-0015, Rev. A
Page 33
M a i n t e n a n c e R e p o r t : C a s s e t t e F o r m a t
Fig. 22
Measuring the Exposed X-Ray Field
Cassette to X-Ray Field
The following tests must be conducted with the C-Arm in the three positions as
described in “Check the central x-ray beam.”
1. Select Fluoroscopy.
2. Place the C-Arm in the
Basic
position.
3. Insert film into the cassette (10 x 12 inches).
4. Lay the cassette onto the image intensifier and fully open the iris diaphragm.
5. Select Radiography.
6. Set kV to 60.
7. Set exposure time long enough to fully expose the film without over-exposing.
8. Initiate an exposure by pressing the hand switch.
9. When the exposure is finished, release the hand switch.
10. Develop the film and measure the shading of the film edge as shown in Figure 22.
Write the results in the box below.
Exposed x-ray field:
Length (A)________ cm
Width (B)________ cm
