Brand: Leeds Test Objects | Category: Nuclear Medicine & Imaging

A routine mammography test object supplied with a 7 cm attenuator stack, offering two resolution limit patterns rather than one. It covers sensitometry, low and high contrast detail detectability and simulated micro-calcifications.
| Parameter | Value |
|---|---|
| Specification | Ten step grey scale plus two points for sensitometric measurements |
| Specification | Resolution limit 1.0 to 20.0 LP/mm x 2 |
| Low contrast large detail detectability | 12 details, 5.6 mm diameter |
| High contrast small detail detectability | 11 details, 0.5 and 0.25 mm diameter |
| Specification | Irregular shaped particles on a step wedge background, median sizes 125, 225 and 325 microns |
| Specification | Low contrast resolution pattern, 1.8 to 5 line pairs/mm |
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Contact Vvon Technologies Limited about Leeds Test Objects equipment requirements in Bangladesh.
Phone: +8801805987890 | Email: info@vvon.com.bd
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A PMMA cylinder phantom for constancy testing of dental cone beam CT systems to DIN 6868-161. It carries soft tissue equivalent, bone equivalent and air sections, and the CBCT-161-A accessory extends it to acceptance testing.
A routine mammography test object supplied with a 7 cm attenuator stack. It covers sensitometry, resolution limit, low and high contrast detail detectability and simulated micro-calcifications, so a simple score can be recorded at each test session.
A smaller version of the CBCT-161 phantom for constancy testing of small field of view dental cone beam CT systems, designed in accordance with DIN 6868-161. It comes with a tripod and levelling platform for repeatable positioning.