不同测量原理的气体小流量标准装置的比对研究  

Study on the Comparison of Low Gas Flow Standards with Different Measurement Principles

作　　者：朱碧玉 陈超[1] 马力[1] 沈琼[1] Zhu Biyu;Chen Chao;Ma Li;Shen Qiong

机构地区：[1]上海市计量测试技术研究院

出　　处：《计量与测试技术》2019年第7期12-14,共3页Metrology & Measurement Technique

摘　　要：本文对钟罩式气体流量标准装置、活塞式气体小流量标准装置和层流式气体小流量标准装置三种不同测量原理的气体小流量标准装置进行了比对试验。通过归一化偏差En值对测量结果的一致性进行评判,发现比对结果可以接受,表明这三种计量标准的量值都是准确可靠的。In this paper,a comparison test is performed among three low gas flow standard devices with the different measurement principles. The standard devices include standard bell provers of gas flow,standard piston provers of low gas flow and standard laminar of low gas flow. The consistency of measurement results is evaluated by normalized deviation En. The comparison results are acceptable which show that the three standards are accurate and reliable.

关 键 词：气体小流量 标准装置 比对 

分 类 号：TH814[机械工程—仪器科学与技术]