论文部分内容阅读
UJ59型携带式直流电位差计与其它型号的携带式直流电位差计不同,它增加了一个内附标准电池电动势补偿盘(以下简称标准电池补偿盘)。在检定与使用时,要求标准电池补偿盘的示值与内附标准电池的电动势相一致,才能使电位差计的工作电流为正常的额定值3mA。如果由于某种原因或根本就不知道内附标准电池电动势值,致使工作电流偏离3mA,造成测量盘补偿电压严重超差。为了在不打开UJ59外壳,另外单独测量它的内附标准电池电动势值的前提下解决这个问题,我们曾通过UJ59的测量盘示值来确定
UJ59 type portable DC potentiometer with other types of portable DC potentiometer is different, it adds a standard battery emc compensation plate (hereinafter referred to as the standard battery compensation plate). In the test and use, the required value of the standard battery compensation plate with standard battery electromotive force is consistent, in order to make the work of the potentiometer current rating of 3mA. If for some reason or not at all, the standard battery electromotive force value is included, the operating current will deviate from 3mA, resulting in a serious over-compensation of the measuring plate voltage. In order not to open the UJ59 case, in addition to measuring its included standard battery electromotive force under the premise of this issue to solve this problem, we have UJ59 measuring plate to determine the value