一、测量电阻法用三用表的电阻档来检查电子仪器电路中的元器件和有关电路的对地电阻,是查找仪器故障的有效方法之一。对电路中的虚焊、电位器滑动接点接触不良以及电感线圈等的断路或短路故障,通过这种方法也能发现。对接触电阻或通路电阻的测量,应使用三用表中电阻档 First, the measurement of resistance method Three-table resistance file to check the electronic equipment circuit components and the resistance of the circuit, is to find an effective method of instrument failure. Weld on the circuit, Potentiometer sliding contacts poor contact and inductance coil, etc. Open circuit or short circuit fault can also be found by this method. On the contact resistance or path resistance measurement, should be used in the three resistance table file