WANG Bing, TANG Sheng-wu, LIU Hui. Pt resistor automatic test system based on LabVIEW[J]. 2012, 31(12): 124-125+129. DOI: 10.13873/j.1000-97872012.12.041.
基于LabVIEW的铂电阻器自动测试系统
摘要
设计了一种基于LabVIEW的铂电阻器自动测试系统
用于多路铂电阻器的自动、精确测量。采用PXI系列机箱和板卡、四线制测量电阻的方法
进行电阻的测量和通道的切换
应用LabVIEW软件进行数据的采集和信号的滤波。经测试
本系统可有效消除引线电阻和热电动势等误差
测量精度优于0.01%
实现测量的高效率和高精度。
Abstract
Pt resistor test system based on LabVIEW is designed for automatic and precise measurement of multi-path Pt resistor.The PXI series chassis
board block and the method for resistor measurement by four-wire system is used to measure resistors and switch channels.LabVIEW software is applied to collect datas and filter signal.The system can effectively eliminate error caused by resistor of down-lead and thermal electromotive force
the precision is superior to 0.01 %
and high efficiency and precision measurement is implemented.