水份检测是粮食收购入库过程中必不可少的常规检验，也是影响因素复杂、难以实现准确测量的计量参数。近20年来，国内外研究生产了许多种水份快速测定仪器，但由于普遍存在测量误差大与重复性差等问题，未能得到用户的首肯和国家有关部门的认可。因此，长期以来粮食收购的现场 Water testing is an indispensable routine test in the course of warehousing and warehousing. It is also a measuring parameter with complicated influence factors and difficulty in accurate measurement. In the recent 20 years, many kinds of rapid measuring instruments have been researched and produced at home and abroad. However, due to the common problems of large measuring error and poor repeatability, the user’s approval and the approval of the relevant state departments have not been obtained. Therefore, the long-term food acquisition site