采用干簧继电器方式来测量、控制液位,因其简单、可靠、便宜以及使用维护方便,所以在国外得到了普遍应用。国内近几年来虽有采用,但由于干簧管的寿命、可靠性等问题的影响,应用不广。本文对国内外干簧式液位计进行了比较全面的分析与对比,可供从事这方面工作的同志参考。 The use of reed relays to measure the level of control, because of its simple, reliable, cheap and easy to use and maintain, it has been widely used abroad. Although the domestic use in recent years, but due to the life of reed switch, reliability and other issues, the application is not widely used. In this paper, a comprehensive analysis and comparison of the reed-type liquid level gauge at home and abroad is made available to the comrades engaged in this aspect.