摘要
简要介绍钟罩式气体流量标准钟罩原理及结构,详细分析了尺寸测量法测量要求及步骤,最后对尺寸测量法进行了实例分析。
Bell introduced the principles and structure of bell type gas flow standard device, detailed analysis of dimensional measurement requirements and steps, and finally, give a example.
出处
《仪器仪表标准化与计量》
2015年第3期37-39,共3页
Instrument Standardization & Metrology
关键词
计量学
钟罩式气体流量标准装置
尺寸测量法
Metrology
Bell-type Gas Calibration Facility
Varying Temperature
Converter Technique