In multiple-channel scanning thermometrical system, the change of connectingresistance of tongue relay is the main factor which influences the system precision.
在多点温度巡回检测系统中，多路切换部件干簧继电器接触电阻的变化是影响系统精度的主要因素。
2
After presenting the principle of neutral point pulse width injection methods, the choosing methods of neutral point injected signal and the neutral point connectingresistance are discussed;
在介绍中性点脉宽注入法原理的基础上，讨论了中性点注入信号和中性点接入电阻的选取方法；
3
In order to minimize settling times when measuring high resistance values, keep shunt capacitance in the system to an absolute minimum by keeping connecting cables as short as possible.