机械式温湿度表不确定度评定  

Uncertainty evaluation of mechanical temperature and humidity meter

作　　者：宋媛[1] 吴丽娜[1] 第五朋朋 Song Yuan;Wu Lina;Diwu Pengpeng(Gansu Meteorological Information and Technical Equipment Support Center,Lanzhou 730020)

机构地区：[1]甘肃省气象信息与技术装备保障中心,兰州730020

出　　处：《气象水文海洋仪器》2021年第1期51-53,共3页Meteorological,Hydrological and Marine Instruments

摘　　要：由于机械式温湿度表测量误差不可避免,其测量不确定度的评定是计量检定工作的重要内容。为确保测量数据的准确可靠,文章依据JJF 1059.1-2012《测量不确定度评定与表示》的要求,介绍了机械式温湿度表测量结果不确定度评定的一般方法和详细步骤。以精密露点仪、LF-300X温湿度检定箱和自校式铂电阻数字测温仪为标准器,以WS-1型机械式温湿度表为被检表,通过实例具体说明评定方法,并给出具体的扩展不确定度评定值。As the measurement error of mechanical temperature and humidity meter is unavoidable,the evaluation of its measurement uncertainty is an important content of measurement verification.According to JJF 1059.1-2012 Evaluation and Expression of Uncertainty in Measurement,in order to ensure the accuracy and reliability of the measurement data,this paper introduces the general methods and detailed steps of uncertainty evaluation in measurement results of mechanical temperature and humidity meter.With precision dew point meter,LF-300X temperature and humidity test chamber and self-calibration platinum resistance digital thermometer as the standard,and taking WS-1 mechanical temperature and humidity meter as check meter,the evaluation method is described in detail through an example,and the specific evaluation value of extended uncertainty is given out.

关 键 词：机械式温湿度表 计量检定 测量不确定度 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]