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本文介绍了一种新颖的直接测量方式的静态应变仪,其测量结果与传输线路的参数无关,并直接用数字方式显示,可进行公里级的远距离测量,具有二一十进制8—4—2—1代码输出,可与打印机、计算机等相连。它既可与粘贴式(应变片)电阻传感器配用、又可与非粘贴式(卡尔逊)电阻传感器配用。它除了主要用于远距离测量应变外,还可与电阻温度计配合,测读远方的温度和作数字式毫欧计测量导线电阻、开关触点的接触电阻,取代电桥测读小电阻值,不受测量线的长短影响,此外还可当数字式微安计与微伏计等使用。具有性能稳定、精度高和操作方便等优点。
This paper introduces a novel direct measurement of static strain gauge, the measurement results and transmission line parameters have nothing to do, and directly displayed by digital, can carry out distance measurement kilometers, with a binary 8-4 -2-1 code output, can be connected with printer, computer and so on. It can be used with both adhesive (strain gauge) resistance sensors and non-stick (Carlson) resistance sensors. It is mainly used for long-distance measurement of strain, but also with the resistance thermometer to measure the temperature in the distance and for the measurement of digital milliohmmeter wire resistance, the contact resistance of the switch contacts, instead of the bridge reading small resistance value, Not affected by the length of the measuring line, in addition to digital microamount meter and micro-voltmeter and other use. With stable performance, high precision and easy operation.