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MIXED POTENTIAL SENSORS FOR CO MONITORING

机译:用于CO监测的混合电位传感器

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摘要

A carbon monoxide sensor based on the phenomenon of "mixed-potential" has been developed. The sensor consists of platinum and gold wire-electrodes embedded in a Ce_(0.8)Gd_(0.2)O_(1.9) electrolyte. The sensor response to 500 ppm of CO in room air is ≈ 100 mV at 400℃. The response time to 90% of level is < 5 sec and the response is stable over a period of several months. Moreover, the sensor to sensor reproducibility of these controlled-interface sensors is excellent. The sensor in combination with an activated carbon filter shows great promise for application as a room air CO monitor.
机译:已经开发了基于“混合电位”现象的一氧化碳传感器。该传感器由嵌入Ce_(0.8)Gd_(0.2)O_(1.9)电解质中的铂和金线电极组成。在400℃下,传感器对室内空气中500 ppm CO的响应为≈100 mV。达到90%水平的响应时间<5秒,并且响应在几个月内保持稳定。而且,这些受控接口传感器的传感器到传感器的可重复性非常好。该传感器与活性炭过滤器相结合,显示出作为室内空气CO监测器的广阔前景。

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