Analysis of calibration results of radiation survey meters used for area monitoring

Analyses of the results of calibration of survey meters carried out at the Secondary Standards Dosimetry Laboratory (SSDL) in Ghana over a period of 4 y (2008-2011) are reported. The calibration factors (CFs) of the set of survey meters indicated that ∼91.04 % were within the acceptable limit of ± 2...

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Bibliographic Details
Published in:Radiation protection dosimetry 2013-10, Vol.156 (4), p.506-513, Article 506
Main Authors: Adjei, D, Darko, E O, Annkah, J K, Amoako, J K, Ofori, K, Emi-Reynolds, G, Obeng, M K, Akomaning-Adofo, E, Owusu-Manteaw, P
Format: Article
Language:English
Subjects:
Algorithms
Calibration
Cesium Radioisotopes - analysis
Ghana
Humans
Lasers
Radiation Monitoring - instrumentation
Radiation Monitoring - methods
Radiation Protection - methods
Radiometry - methods
Reproducibility of Results
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Summary:Analyses of the results of calibration of survey meters carried out at the Secondary Standards Dosimetry Laboratory (SSDL) in Ghana over a period of 4 y (2008-2011) are reported. The calibration factors (CFs) of the set of survey meters indicated that ∼91.04 % were within the acceptable limit of ± 20.0 %. A higher percentage of the survey meters indicated CFs in the range of 0.95-1.15 except a few of them which indicated values 1.15. The degree of uncertainty in the measurements ranged from 0.03 to 17 % with the majority of them ranging from 0.03 to 6.0 % and a few of them >6.0 %. The results show that most of the survey meters calibrated were within the requirements of the regulations and may provide data for future development of calibration techniques in the country.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/nct087