【摘要】 本文简要介绍了用超声方法测定NaOH溶液浓度的原理,浓度、温度及声时关系的测量结果,以及智能化超声波NaOH溶液浓度在线检测仪的结构、提高精度方法。研制的在线式NaOH溶液浓度检测仪经现场使用证明其精度优于±0.1％。更多还原

【Abstract】 The principle of NaOH concentration measurement using ultrasound, the relations between NaOH concentration, temperature and sound transit-time, the structure of our intelligent ultrasonic on-line NaOH concentration meter as well as its precision improving method are presented. It is proved by on-site usage that the on-line measuring precision of the NaOH concentration detected by this meter is higher than ?.1%.更多还原