Beckman Coulter DU800紫外可见分光光度计的维修与保养

The TroubleShooting and Maintenance of The UV-VIS Spectrophotometer for Beckman Coulter DU800

Beckman Coulter DU800分光光度计是美国贝克曼·库尔特仪器有限公司出品的，DU系列可分为600，700及800等三个不同款式。该仪器社会有一定的用户量。目前，此型号的大多数仪器已进入故障的高发期。为了保证仪器的正常工作及延长仪器的使用寿命，如何保养及定期维护仪器就显得越来越重要。本文是笔者在仪器的使用及维修过程中经验的积累，针对仪器进入老化状态下，怎样保养仪器及维修仪器也作了比较详细描述。此外本文还介绍了故障维修实例、维修思路及采取的维修方法。为了降低维修成本，通常是对电路板中的元器件进行更换，特别介绍了用国产零件替代进口原装器件的方法及步骤，这对于经费短缺的用户更具有实际意义。本文可供仪器的管理者或仪器维修人员参考。

DU800 UV/VIS spectrophotometer for Beckman Coulter instrument company is produced in USA, and the DU series of instrument can be divided into three different types 600,700 and 800.The instrument has a large amount of society and many users. At present, the instrument has entered the frequent failure period. In order to guarantee the normal operating and prolong the service life of the instrument and how to periodically maintain the instrument is more and more important. This paper is the author accumulated in the process of the instrument experience .For the instrument is into aging condition, how to maintain the instrument and repair the instrument and a more description is done detailed in the paper. In addition, the article also introduces the trouble-shooting examples of instrument, repairing ideology and repair method. In order to reduce the instrument repair costs, usually the individual componet is replaced on the circuit board. In the paper, an special methods and steps which use home-made parts to replace import devices have been introduced. It has more practical significance for the shortage of funds for the user. The article could be used for instrument users and instrument service personnels for reference.