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原理测定容重的标准方法。圆锥型的装粮料斗以保证粮食有规律的流入容器中。Nilema-litre容重测定仪满足法国标准：NF V03-719 优点一壹升的容器和杠杆秤都经过有资质的计量服务处检验－使用简单快捷－可将全部器具放进一个手提箱内－壹升容器和料斗均为黄铜镀铬
