PTB220气压传感器模拟量调整方法  

Method for Adjusting Analog Values of PTB220 Pressure Sensors

作　　者：郭瑞宝[1] 边文超[1] 罗淇[1] 吕红梅[1] 王锡芳[1] 

机构地区：[1]山东省气象局大气探测技术保障中心,济南250031

出　　处：《气象科技》2011年第2期217-221,共5页Meteorological Science and Technology

摘　　要：通过对PTB220气压传感器工作原理的分析与研究,利用超级终端技术、Keithley 2000数字多用表、线性方程,实现了超差气压传感器模拟量的调整,并解决了数字量调整影响模拟量输出的问题。从而避免了自动站采集器通道误差影响校准精度,保证自动站气压观测数据的准确性,进一步完善了超差气压传感器调整方法。Through analyzing and studying the principles of PTB220 pressure sensors,the analog value adjustment of tolerance pressure sensors is achieved by means of super terminal technology,the Keithley 2000 Digital Multimeter,and the linear equation.The problem that the digital adjustment influences the analog output is resolved,so to avoid the effect of the channel errors resulted from the collectors in automatic weather stations on calibration accuracy,and thereby to ensure the accuracy of the pressure data from automatic weather stations.

关 键 词：气压传感器 测量误差 模拟量 调整方法 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]