一、前言钢弦式传感器具有结构简单、使用方便,在长期荷载作用下测试性能稳定,抗干扰性能强,防水、防锈等优点。目前已广泛应用于水利、水电、水运及其它工程建设的现场试验中。但长期以来,缺乏一种理想的与之配套使用的自动化多点巡回检测装置。为了改变这种现状,根据以往试验中提出的要求,我们研制成了与等幅振荡型钢弦式传感器配套使用的多通道电脑振弦仪(Ⅰ型)。它是采用微处理器和集成电路的智能仪器。能实现自动接收、自动测量、自动打印。既可测量振弦振动的频率值;又可测量传感器内电磁线圈的 First, the preface Steel string sensor has the advantages of simple structure, easy to use, stable performance under long-term load test, strong anti-interference performance, waterproof, anti-rust and the like. Has been widely used in water conservancy, hydropower, water transport and other construction projects in the field test. However, for a long time, there has been a lack of an ideal automated multi-point circuit detection device to be used with it. In order to change this situation, according to the requirements of the previous experiments, we developed a multichannel computer vibrating wire instrument (Type Ⅰ) which is used with the constant amplitude oscillating steel chord sensor. It is a smart instrument that uses microprocessors and integrated circuits. Can automatically receive, automatic measurement, automatic printing. Can measure the vibration frequency of the vibrating wire value; Also can measure the electromagnetic coil in the sensor