一种宽量程高精度气压表的研制
首发时间:2011-04-06
摘要:针对目前气压表普遍存在的量程小,精度低的特点,本文提出了一款宽量程高精度气压表。通过合理的器件选择和标定、电源模块处理、调理电路设计、软件滤波,该表的测量范围为0.000KPa至400.0KPa(绝对气压),测量精度可达满量程的千分之一。
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A Kind Of Barometer With Wide Range And High Precision
Abstract:Due to the narrow range and low precision of the present barometers, this paper brings up the design of a kind of barometer with wide range and high precision .By the scientific selection and adjustment of the pressure sensor , the design of measurement circuit and power supply as well as software filter , the barometer can detect absolute pressure ranging from 0.000KPa to 400.0KPa , at the same time , the precision reaches up to 1‰fs.
Keywords: barometer wide range high precision
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No.4417672574426130****
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