Vatech A9

Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098
137 / 214
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Chapter 5. PANO Image Evaluation
1. Line Pair Resolution evaluation
1.1. Resolution standards
Parameter LSL (Lower Specification Limit) USL (Upper Specification Limit)
Lp/mm 3.1 -
1.2. Phantom Specification
QUART Phantom QUART - Ball Phantom
1.3. Test Method
1. Run the Console Software and click the PANO button to go into PANO mode.
2. Choose HD Mode/MAN/Normal mode/exposure condition 70 kVp, 7 mA as the image option and
click the Confirm button.
3. Attach PANO BALL Phantom + Quart Phantom Ass'y on Chinrest.
4. Attach 1 .8 mm Copper Filter on X-Ray Tube.
5. Click the READY button, and acquire/save the image according to the Console Software
guidance.
6. Open the 2D Viewer and save the image.
7. Make sure that the lines can be seen clearly at 3.1 lp/mm.
1.4. Test Result
Parameter LSL Measurement value USL Pass/Fail
Lp/mm 3.1 -