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一、电路及光学系统故障调修检查光路时,如发现无光,干涉条纹消失,一般是由于电路及光学系统的故障,如开关、电池、灯泡接触不良,断线或灯泡烧坏、变位等原因引起的。先打开光源盖检查灯泡,若灯泡损坏应及时更换;若灯泡正常,应更换电池;若发现灯光暗红,则说明电池用得太久,应及时更换。光学零件的误差主要表现在平面镜、折光镜表面度差,使干涉条纹弯曲,且无法用调整方法消除。
First, the circuit and optical system fault repair inspection light path, if found no light, interference fringes disappear, usually due to circuit and optical system failure, such as switches, batteries, poor light bulbs, broken or bulb burnout, displacement And other causes. First open the light source cover check bulb, if the bulb damage should be promptly replaced; if the bulb is normal, the battery should be replaced; if the light dark red, then the battery used too long, should be promptly replaced. Optical parts of the error is mainly reflected in the plane mirror, refractometer surface roughness, interference fringes curved, and can not be eliminated with adjustment methods.