Radcal Leeds Test Object – Accessories – TO FSJ MAMMO
A focal spot measurement jig with star test pattern (0.5° angle spokes, 0.03mm Pb foil).
Description
Radcal TO FSJ MAMMO
A focal spot measurement jig with star test pattern (0.5° angle spokes, 0.03mm Pb foil). The FSJ Mammo affords a magnification factor of 2.5 x for an F.F.D. of 600mm and includes a centre-marker to indicate when the jig is aligned correctly with the central beam axis.
Key Features:
- TO FSJ Mammo consists of a cassette holder able to be angled 20° above the horizontal
- Magnification factor of approximately 2.5 x for an F.F.D. of 600mm
- A tower mounted on the cassette holder holds a 1° star pattern (supplied with the jig)
- A centre-marker at the base of the tower indicates whether jig is accurately aligned with the central beam axis