CAHN－2000磁天平的调试与数据处理系统的研制

叙述了CAHN-2000磁天平(美国)调试过程中如何解决液氮温区的测试,自制了磁天平与计算机的接口,编写了数据采集、处理和控制等方面的软件,节省了几万美元,部分指标超过原配套水平.三年来仪器在对国内外开放过程中,液氮温区的工作一直正常,实测了上千个样品,提供的数据已撰写数十篇文章在国内外刊物上发表.由此说明,要充分发挥进口仪器的使用效率,必须对仪器的工作原理、结构特点有透彻的了解,同时要有相当的自制配套能力.

Adjustment of CAHN-2000 Magnetic Balance and Studies on Data Process System

In thes paper the adjustment of CAHN-2000 Magnetic Balance is reported. The low temperature(-196℃) measurement and the manufacture of an interface between Magneter Blance and the computer are introduced. Several programs, such as, the dare collection program, the data processing program and the control program were compiled. The functions of the improved instrument were better than the original set. During the past four years, all the parts including the progams of the improved at worked well and over 10 articles which used the data obtained with this improved set have been published on internal and abroad scientific journals.Our experience illustrates that it is important both to understand the fundamentals and the construction of an instrument and to have the ability of making fittings by ourselves.