Robust acoustic humidity sensor for industrial drying

L. Zipser, H. Franke, W. Bretschneider
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引用次数: 2

Abstract

Most conventional humidity sensors are unfortunately sensitive to extreme process and environmental conditions. This paper concerns the development of a robust acoustic humidity sensor which can be used even under extreme conditions, such as high temperature up to 300/spl deg/C, aggressive, explosive or toxic pollutions in the gas to be analysed, dust, electromagnetic disturbances, nuclear radiation or very fast changes of the humidity concentration. An important application of the sensor is the in-situ measurement of humidity in the exhaust air of industrial driers for paperboard production.
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坚固的声学湿度传感器,用于工业干燥
不幸的是,大多数传统的湿度传感器对极端过程和环境条件敏感。本文关注的是一种坚固的声波湿度传感器的开发,它可以在极端条件下使用,例如高达300/spl℃的高温,待分析气体中的腐蚀性,爆炸性或有毒污染,灰尘,电磁干扰,核辐射或湿度浓度的快速变化。该传感器的一个重要应用是对纸板生产用工业干燥机排气湿度的现场测量。
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