for acceptance- and constancy tests in accordance with German standard DIN 6868, part
51 and part 5 at dental radiography equipment with digital imaging systems.
Consisting of the following modules:
- Centring aid and 6 mm Al-attenuator
- Elements for determination of the image quality (resolution test and contrast holes)
- Base part with recess for image- and dose detector
This test device includes elements for determination of the image quaIity at CR and DR systems.
- A Iinepair test (either 2.O - 6.3 Ip/mm at type U or 2,5 and 5 lp/mm at type G)
for determination of the resolution capabiIity.
- Drilled holes of 1 , 1 ,5, 2 and 2,5 mm diameter in a 0,5 mm thick aluminium
shift for determination of the contrast.
The test device aIso includes a 6 mm thick Al-attenuator so that the image detector dose can
be determined.
