摘要
介绍了基于 89C2 0 5 1单片机、溅射金属薄膜压力传感器、AD7714、DS18B2 0和AT 4 5D0 81A研制的高性能自容式下井计 ,论述了其工作原理、硬件电路设计及系统软件设计。该仪器可广泛应用于测量工作温度 - 4 0～ 85℃ ,工作压力 60MPa以下的各种流体介质的压力。
Introduces the working principle, the hardware circuit and the system software design of the High Performance Downhole Gauge System, based on 89C2051 single chip microcomputer?sputtered metal film pressure transducer?DS18B20?AD7714?and AT45D081A. The gauge can be widely applied in pressure measurement of various fluid mediums where the working pressure is under 60MPa and the working temperature is between-40℃ and 85℃.
出处
《仪表技术与传感器》
CSCD
北大核心
2002年第2期18-20,24,共4页
Instrument Technique and Sensor
