高温气体传感器的毫秒响应时间测量

Proceedings of IEEE Sensors, 2004. Pub Date : 2004-01-01 DOI:10.1109/ICSENS.2004.1426282

P. Tobias, Hui Hu, M. Koochesfahani, R. Ghosh

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引用次数: 4

摘要

我们提出了一种新的仪器，用于测量毫秒级分辨率的气体传感器的响应时间，同时也捕获响应的较慢部分，如稳态值。激光诱导荧光(LIF)成像用于量化传感器周围气体的交换率。研究了用于含氢气体检测的高温(高达950 K)场效应SiC传感器的毫秒响应特性。

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Millisecond response time measurements of high temperature gas sensors

We present a new apparatus for measuring the response times of a gas sensor with millisecond resolution, while also capturing the slower components of the response such as the steady state value. Laser induced fluorescence (LIF) imaging was used to quantify the exchange rate of the sensor's ambient gas. The millisecond response of high temperature (up to 950 K) field effect SiC sensors for detection of hydrogen containing gases was characterized.

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Proceedings of IEEE Sensors, 2004.

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