摘要
介绍新型的单线数字温度计ＤＳ１８２０的特点及其工作原理，给出了用ＤＳ１８２０构成的单线多点温度测量系统的硬件和软件。在－５５～＋１２５℃测温范围内，与其它各种通用的现场总线分布式测量系统比较，该系统具有很大优势。
This article describes the characteristics and principle of DS1820 one wire digital thermometer and the hardware and software of the one wire multi drop temperature measurement system based on DS1820 are given. In the range of -55 degree C to +125 degree C, this system has overwhelming advantage in comparison to the existing general purpose field bus distributed measurement systems.
关键词
温度传感器
温度
测量
temperature sensor, temperature measurement
