شرکت سنجش پرتو مهر آرشیدا

This phantom embedded in PMMA. 7 step copper wedge, 4 low contrast elements. Markings to determine the size and position of the effective radiation field. 

            Acceptance and constancy tests of digital radiography, equipment.

-           Collimation- beam alignment

-           Position and size of the effective radiation field

-           Dynamic range

-           Spatial resolution

-           Contras resolution

-           Homogeneity