介绍了以8031单片机为中央处理器的温／湿度测试仪的硬件电路结构和软件设计原理。
A temperature-humidity measuring instrument based on 8031 microcontroller is introduced. The hardware structure and principle of the software design of the instrument are given.
该便携式湿度发生器利用分流法湿度发生原理，采用微控制器和质量流量控制技术实现了自动发生不同流量、不同露点气体的功能，可为露点测试仪检定和校准提供动态标准湿度气体。
The portable humidity generator had the function of automatic generating standard gas of different flow and dewpoint by using the microprocessor and the technology of mass flow controlling.
本文介绍了基于8031单片机的仓库温度与湿度自动测试仪的工作原理，并给出了系统的硬件和软件模块。
This paper introduces the characteristics and work principle of sensor AD509 and sensor MS01 based on SCM 8031, and gives system module of hardware and software.
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