The utility model belongs to an instrument which can measure and display the temperature and humidity signals on the spot. It includes a central processor. There are three input signal source to the central processor; bidirectional connection central processor and an external memory, conveying the digital signal after linearization to external storage memory; at the same time, the central processor through a communication port of the digital signal after linearization, transmission to the host computer; it has a temperature output port and a humidity output port. The utility model has the advantages of accurate measurement, high precision, and can simultaneously process the temperature and the humidity signal, and can be widely applied to the occasions of high precision temperature measurement and humidity measurement in chemical plants, pharmaceutical factories, power plants, etc..
【技术实现步骤摘要】
【技术保护点】
一种智能数字温湿度显示变送器，包括一个中央处理器，其特征在于： 中央处理器有三个信号输入口：一个是单总线温湿度传感变送器输出的唯一编码的数字信号输入口，一个是温湿度变送器模拟量信号输出的输入口，一个是０－５Ｖ温湿度模拟信号输入口； 中央处理器与一个外置存储器双向连接，将处理后的数字信号输送到外置存储器中存储； 中央处理器与一个通讯口双向连接，通过通讯口将数字信号输送给上位计算机； 中央处理器还有一个温度输出口和一个湿度输出口，将经数模转换后的模拟量信号分别送到温度输出口和湿度输出口。
【技术特征摘要】
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