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本文叙述一种用于对Ｘ射线探伤机的辐射参数进行检定测试的多参数综合检测仪。采用指形电离室为主测量电离室。透射型电离室为监督电离室。由８０３１微处理器根据键盘操作指令控制双道测量主机的不同工作状态。采用智能驱动器控制步进扫描架或半值层片架的移动。仪器测量能量范围：１００～４００ｋＶＸ射线；主电离室能响：≤±３％；不确定度：４％。可按照ＪＪＧ４０—９３《射线探伤机》国家计量检定规程对Ｘ射线探伤机检测；输出量、半值层、焦点、射束均匀场、辐射圆锥角、射束中心轴与几何中心轴偏离量等参数。
This paper describes a multi-parameter integrated detector used to test the radiation parameters of X-ray flaw detection machine. The use of finger-based ionization chamber-based measurement of ionization chamber. Transmission ionization chamber for the supervision of ionization chamber. By the 8031 microprocessor according to the instructions of the keyboard to control dual-channel measurement of different host operating status. Smart drives control the movement of step gantries or half-value pallets. Instrument measuring energy range: 100 ~ 400kVX ray; the main ionization chamber can ring: ≤ ± 3%; Uncertainty: 4%. According to JJG40-93 “ray flaw detector” national metrological verification procedures for X-ray inspection machine testing; output, half-value layer, focus, beam uniform field, radiation cone angle, beam center axis and geometric center axis deviation parameter.