摘要
本文对721型分光光度计的电路部分工作原理及常见的故障原因进行了分析,重点分析了钨灯工作失常及微安表工作不稳定两大类故障。
The paper gave an account of the working principle of electric circuit of 721 spec-trophotometer and the reason for its common breakdowns with emphasis on two major breakdowns - the unusual working state of the tungsten lamp and the unstable working condition of the microammeter
出处
《淮北煤师院学报（自然科学版）》
1994年第3期63-65,共3页
Journal of Huaibei Teachers College(Natural Sciences Edition)
关键词
分光光度计
电路
故障
721 spectrophotometer
electric circuit
breakdown.
