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用半导体氧化物气敏传感器及微控制器89C51研制的手持式数显乙醇测试仪能对气体中的乙醇含量进行现场实时检测。该文从硬件、软件两方面介绍其优化电路和抗干扰技术。该仪器具有灵敏度高、选择性好、抗干扰能力强等特点 ,可用于交通安全检测、酒厂和食品工厂发酵监控。
Using semiconductor oxide gas sensor and microcontroller 89C51 developed handheld digital ethanol tester on the gas content of ethanol in the field of real-time detection. This article introduces its optimized circuit and anti-interference technology from hardware and software. The instrument has high sensitivity, good selectivity, anti-interference ability and other characteristics, can be used for traffic safety testing, winery and food factory fermentation monitoring.