This system realizes data sampling from densitometer by a data-sampling board based on EPP,thus overcoming the errors brought by manual operation.

• 为此设计一种基于增强型并行口(EPP)的数据采集卡,实现了对密度计测量数据的直接采集,克服了人工操作带来的误差,具有较高的实用价值和推广意义。