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"Penelitian ini bertujuan untuk menigkatkan pengawasan terhadap tingkat radiasi linkungan dengan merancang bangun sistem instrumentasi detektor radionuklida berbasis kristal sintilasi CsI(Na) terintegrasi stasiun cuaca dengan uji karakteristik akuisisi detektor radionuklida terhadap sumber radiasi Eu-152, Cs-137, K-40 dan perubahan parameter cuaca. Uji karakteristik terhadap sumber radiasi menghasilkan data perbandingan hubungan perubahan laju dosis terhadap jarak sumber radiasi berdasarkan posisi penempatan detektor kristal sintillasi , dan perbandingann dengan instrumen standar gamma surveymeter. Uji karakteristik terhadap perubahan cuaca mendapatkan data perubahan laju dosis dan laju cacah terhadap perubahan parameter udara yaitu: suhu; kelembapan relatif; dan tekanan.

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This research purposes are to increse environmental radiation monitoring by designing and developing an instrumentation system radionuclide detector CsI(Na) scintillation crystal integrated with a weather station by radionuclide detector cquisition characteristic testing with Eu-152, Cs-137, K-40 as radiation source and changes in weather parameters. Characterization test using radiation source produced data comparing the relation between changes in dose rate and distance from the radiation source based on the placement position of the scintillation crystal detector, as well as comparisons with a standard gamma survey meter instrument. The characterization test under varying weather conditions provided data on changes in dose rate and count rate in response to changes in air parameters, including temperature, relative humidity, and pressure. "