便携式总α测量仪研制

Nuclear Electronics & Detection Technology(2021)

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Abstract
文章介绍了便携式总α测量仪的研制.通过探测器选型、光电倍增管选型以及集成设计,并进行了本底、探测效率、稳定性、环境适应性等试验.研制的总α测量仪本底计数率为0.23 min-1、对239Pu电镀面源的2π探测效率大于90%,在温度为0~50℃和相对湿度小于90%%的环境条件下性能稳定,仪器体积小、总质量约10 kg,便于携带,可用于多种应用场景.
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