【摘要】 以自制调理电路、DAQ卡和计算机,开发了基于LabVIEW 8.0的测定溶液中离子的虚拟仪器系统.该虚拟仪器具有界面友好、操作简单、功能易扩展等优点,实现了实验数据自动采集、实时显示、数据处理和结果生成,避免了常规人工操作的繁琐和人为误差,提高了测试结果的准确性、重现性.测定结果与标定结果对比,测量结果的平均误差为0.546%,结果令人满意.更多还原

【Abstract】 The virtual instrument system based on LabVIEW 8.0 for ion analyzer which can determine ion in the solution is developed by homemade adjusting circuit,data acquiring board and computer.The virtual instrument has advantages of friendly interface,easy operating,easy expandability of function,etc.The automatically acquiring,real-time displaying,processing of experimental data and receiving results are realized.And the complexity of manual operating and personal error are avoided;the veracity and repeatability of testing result are improved,with satisfyirg results.更多还原