Perbandingan Daya Tangkap Dosis Radiasi Menggunakan Dosimeter Aktif Perorangan
DOI:
https://doi.org/10.25077/jfu.13.3.351-357.2024Keywords:
dosis radiasi, dosimeter aktif, dose area product (dap), pesawat sinar-XAbstract
Telah dilakukan penelitian tentang perbandingan daya tangkap dosis radiasi menggunakan beberapa dosimeter aktif perorangan. Penelitian bertujuan untuk membandingkan tangkapan dosis radiasi pada dosimeter aktif dengan hasil bacaan Dose Area Product (DAP) dan mengetahui dosimeter aktif yang lebih sensitif untuk menangkap dosis radiasi. Pengambilan data dilakukan dengan menyinari dosimeter aktif di bawah sumber pesawat sinar-X dengan faktor eksposi tegangan tabung (50, 60, 70, 81, 90 dan 102) kV serta arus tabung sebesar 8 mAs. Dosimeter aktif disusun di isosenter dengan luas lapangan penyinaran radiasi sebesar (30 x 30)cm. Hasil pengujian menunjukkan bahwa dosimeter aktif memiliki respon yang berbeda-beda. Dosimeter aktif yang memiliki nilai bacaan dosis radiasi yang mendekati bacaan DAP berdasarkan persamaan garis linear dengan R2 = 0,9768 yaitu dosimeter PDM-127. Dosimeter aktif yang memiliki sensitivitas yang tinggi yaitu dosimeter aktif PDM-122 dengan persentase error yang lebih rendah untuk tegangan tabung 50 kV yaitu sebesar 36,67%, 70 kV sebesar 37,28%, 81 kV sebesar 41,49% dan 102 kV sebesar 25,65%, sedangkan pada tegangan 60 kV sebesar 10,68% dimiliki oleh dosimeter DMC-3000 dan tegangan tabung 90 kV dosimeter aktif  rata-rata memiliki nilai error lebih besar dari 50%.References
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