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该仪器是核测试领域中测量干样品αβ的2π发射率的仪表,它由2π零屏栅高效αβ探测器(发明专利:ZL92 1 11938.0)与反符合探测器组成的箱式探头,并同反符合技术合理结合,组成整机。其特点是:在探测器内能稳定测量面导电性差(面电阻<10~(13)Ω)的干样品的αβ发射率;既能直接测定出αβ共存发射样的β发射率,又能同时鉴别出α和β发射率,它是
This instrument is a 2π emissivity measuring instrument for measuring αβ in dry samples in the field of nuclear testing. It is composed of a 2π zero screen grid-efficient αβ detector (invention patent: ZL92 1 11938.0) and an anti-coincidence detector, In line with technical and reasonable combination of the whole machine. The invention is characterized in that: the αβ emissivity of a dry sample with poor conductivity (surface resistance <10 ~ (13) Ω) can be stably measured in the detector; the β emissivity of the αβ coexisting emission sample can be directly measured, It identifies alpha and beta emissivity