酸度计是工厂、农村和实验室中最重要和最经常使用的化学测试仪器之一。随着工农业生产和科学技术的发展,酸度计在各方面的需要量越来越大。目前国内已有多种型号酸度计生产和供应,但仍不能满足日益增长的需求。因此,研制一种结构简单、成本低谦、生产容易、并具有足够精度(一般要求不低于0.1级)的酸度计,以利于普及和推广,是有着一定的 Acidity meters are among the most important and frequently used chemical testing equipment in factories, rural areas and laboratories. With the industrial and agricultural production and the development of science and technology, the need for acidity meters is growing in all aspects. Currently there are many types of acidity meter production and supply, but still can not meet the growing demand. Therefore, the development of a simple structure, low cost Qian, easy production, and with sufficient accuracy (generally not less than 0.1 level) acidity meter, in order to facilitate the popularization and promotion, there is a certain