Fuente Marta, Rabago Daniel, Herrera Sixto, Quindos Luis, Fuente Ismael, Foley Mark, Sainz Carlos
School of Physics, National University of Ireland Galway, Ireland.
J Radiol Prot. 2018 Sep;38(3):1111-1127. doi: 10.1088/1361-6498/aad969. Epub 2018 Aug 10.
The purpose of this paper is to benchmark several different radon monitors, by quantifying their accuracy and response time. Radon monitors with different characteristics were tested in a purpose-built radon chamber under reference conditions. The radon concentration in the chamber was controlled and maintained at a stable radon concentration of (2648 ± 85) Bq m to evaluate the accuracy and precision of these monitors. The response time of the monitors was analysed for two time intervals. To assess the response time of the monitors, radon concentration was varied from a theoretical value of 0-6441 Bq m and then from 6441 to 2648 Bq m. The results from this study show that general purpose radon monitors are less accurate than those used by radon testing service providers and the research community. All monitors tested reported a mean radon concentration within the ±10% of the reference detector value at the radon equilibrium concentration. Different response time analysis methods were proposed and discussed, and for the particular time intervals analysed, response time was found to be slower for those radon monitors intended for general purpose applications.
本文的目的是通过量化几种不同氡监测仪的准确性和响应时间来对其进行基准测试。在参考条件下，于专门建造的氡气室内对具有不同特性的氡监测仪进行了测试。控制室内的氡浓度，并将其稳定维持在(2648 ± 85) Bq/m³，以评估这些监测仪的准确性和精密度。在两个时间间隔内分析了监测仪的响应时间。为评估监测仪的响应时间，将氡浓度从理论值0 - 6441 Bq/m³变化，然后再从6441变化到2648 Bq/m³。本研究结果表明，通用型氡监测仪不如氡检测服务提供商和研究团体使用的监测仪准确。在氡平衡浓度下，所有测试的监测仪报告的平均氡浓度在参考探测器值的±10%范围内。提出并讨论了不同的响应时间分析方法，对于所分析的特定时间间隔，发现通用型氡监测仪的响应时间较慢。
