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本文介绍了一种具有实用价值的型砂性能在线检测仪。研究中选取了既能较好地反映型砂成分变化又适宜于在线检测的五种性能作为检测项目，探讨分析了该五性能的自动检测方法。由于采用８０３１单片计算机控制整个检测过程，使本仪器能在１分钟内完成五性能的测定并达到满意的精度。
This article describes a practical value of sand performance on-line detector. In this study, five kinds of properties which can reflect the change of composition of sand well and be suitable for on-line detection are selected as the detection items. The automatic detection method of the five properties is discussed. As the use of 8031 single-chip computer to control the entire testing process, so that the instrument can be completed within 1 minute five performance measurement and to achieve satisfactory accuracy.