两种压力标准装置对浮球式压力计浮球有效面积的测量  

Research on measurement of effective area of pneumatic ball by different pressure standard systems

作　　者：姜毅韡 乔家广 周宇仁 冯齐斌[1] Jiang Yiwei;Qiao Jiaguang;Zhou Yuren;Feng Qibin(Shanghai Institute of Measurement and Testing Technology)

机构地区：[1]上海市计量测试技术研究院

出　　处：《上海计量测试》2021年第3期17-20,共4页Shanghai Measurement and Testing

摘　　要：利用数字压力计组与气体活塞式压力计作为压力标准装置,分别对浮球式压力计浮球有效面积进行了测量。测量数据表明,合理选用数字压力计组也能满足浮球有效面积的测量工作。Ganged digital pressure gauge and gas piston gauge is used respectively to measure the effective area of pneumatic ball.The result shows that ganged digital pressure gauge is also suitable for the measurement of effective area of pneumatic ball.

关 键 词：浮球有效面积 数字压力计 气体活塞式压力计 不确定度 

分 类 号：TH823.2[机械工程—仪器科学与技术]