The system may be used with or without a computer and consists of a6- decade scaler/ timer with built-in Geiger-Mueller counter, sample positioning tray and11- piece radiation absorber set.

• 系统可以连接电脑工作也可以单独工作，内用G-M（革）数管和定标/定时器组成，有样品盘和11片放射吸收片。