This paper expounds the scopes and causes of the influenc e of the variation of the oxygen concentration on the indicating values of both op tical interference type catalytic combustion type gas detectors, and puts forwar d corresponding preventive measures.
阐述了氧气浓度变化对光干涉型和催化燃烧型瓦斯检定器检测示值的影响范围及原因,并有针对性地提出了防范对策。
Evaluation of uncertainty about indication error of AC sampling apparatus;
交流采样测量装置示值误差测量结果的不确定度评定
Uncertainty evaluation for measurement result of the indication error in electronic platform scale;
电子台秤示值误差测量结果的不确定度评定
Evaluation and Excel-based calculation of measurement uncertainty for indication error of precise pressure gauges;
精密压力表示值误差测量不确定度的评定及其Excel计算方法
The error of indication and pressure loss is the major indexes of AAM which are influenced by some key factors.
本文对研制的机械直读式液氨计量表进行了试验设计和探索性试验研究,找出了影响计量表计量示值误差及压力损失关键性因素的主次、优水平及优水平组合。
The measuring mathematics model for the method of calibration of the error of indication of the digital display height measuring instrument is established in this paper.
针对数显测高仪各校准点示值误差的校准方法,给出了示值误差的数学模型,并以某校准点为例,对该校准点示值误差的合成标准不确定度和扩展不确定度进行了评定。
It is pointed out that the error of indication E_0 for the calibrated test length which are measured when the offset length between the ram axis and the stylus tip is zero shall neither exceed the maximum permissible error MPE_(E0) nor exceed 1/3 of the probe error,that the repeatability of E_0 shall neither exceed the maximum permissible error MPE_R nor exceed the repeatability error of the .
提出探测轴探针针头零偏置长度的校准测试长度的示值误差E0应不超过最大允许校准测试长度的示值误差MPEE0,且不应超过测头误差的1/3;E0的重复性误差R不应超过最大允许重复性误差MPER,且不应超过测头的重复性误差。
Testing for dose output linearity and automatic analysis & disposal the data of dose inspect of LINAC;
医用加速器剂量监测系统示值线性的检测与数据自动化分析处理
The paper enumerates several reasons which cause the variation of indicatory values on scales,and introduces means to remove these variation.
本文列举了多种引起天平示值变动的原因,并介绍了消除这些原因的方法。
We analyses and compares the indication differences among Ⅲ level of scales which are presently widely used and have the same accuracy rank when they are weighing identical load according to JJG539-1997《Digital Indicating Scale》 verification regulation, in order to discuss the maximum indication difference among large electronic weighing instruments under different weighing.
本文依据JJG539-1997《数字指示秤》检定规程,对目前广泛使用的具有相同准确度等级的Ⅲ级秤之间,在称量同一载荷时,其间所产生的示值差做一定量分析、比较,以探讨大型电子衡器间在不同称量下的最大示值差。