kVp estimate intercomparison between Unfors XI, Radcal 4075 and a new CDTN multipurpose instrument
A T Baptista Neto1, B B Oliveira1, L O Faria1
1Nuclear Technology Development Center - CDTN/CNEN, Av. Presidente Antônio Carlos, 6627 - Campus UFMG, Pampulha, Belo Horizonte 31270-901, MG, Brazil.
Abstract:
In this work we compare the kVp estimate between CDTN multipurpose instrument, UnforsXI and Radcal 4075 meters under different combinations of voltage and filtration. The non-invasively measurements made using x-ray diagnostic and interventional radiology devices show similar tendencies to increase the kVp estimate when aluminum filters are placed in the path of the x-ray beam. The results reveal that the kVp estimate made by the CDTN multipurpose instrument is always satisfactory for highly filtered beam intensities.
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