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TEST TOOL, DELUXE FOCAL SPOT
Determines tube focal spot size accurately. If a tube is damaged, the change is
readily apparent on the test film.
Consists of an 07-509-2000 Star Test Pattern and a test jig. The set is placed on a
film cassette, the collimator is lowered to the face of the jig, and a
radiograph is taken. The resulting film displays the focal spot size by yielding
an interference image of the star pattern. A simple measurement of the location
of the broken radial pattern correlates directly to the focal spot size. The
system allows measurement of focal spots as small as 0.1 mm x 0.1 mm.
Size: 6" x 6" (a5 cm x a5 cm) at base x 12" (30 cm) high, and 2-1/2" x
4-1/4" (6.4 cm x 11 cm) at top.
Net weight: 1/2 lb. (225 gm).
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