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本文介绍能广泛适用于金属带村、薄材压延生产线上无接触式连续测量材料厚度的辐射式测厚仪的研制。该测厚仪利用辐射穿透原理并采用单片机技术完成对测量数据的处理和实现各种特定功能，如厚度的绝对值和偏差值数字显示与输出、偏差量的直流显示与输出、测量状态的自动识别和全自动校正，机内工况的键盘检索等。
This article describes the development of a radiation thickness gauge that can be applied to the continuous measurement of material thickness without contact in the metal belt village and thin material calendering production line. The thickness gauge using the principle of radiation penetration and the use of single-chip microcomputer technology to complete the measurement data processing and the realization of a variety of specific functions, such as the thickness of the absolute value and deviation of the digital display and output, the deviation of the DC display and output, measuring the state Automatic identification and automatic calibration, keyboard search and other conditions within the machine.