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2016年全国省级法定计量检定机构开展便携式制动性能测试仪的比对工作,笔者发现无论从数学模型的引入、绝对误差的与相对误差的转换、重复性测量引入的标准不确定度、不确定度分量的选择、合成不确定度报告形式以及数字修约中,常见被忽视和不规范的表达问题。通过便携式制动性能测试仪的比对案例分析使比对工作更加规范化。
In 2016, the provincial statutory metrological verification institute carried out comparison of portable brake performance tester. The author finds that no matter from the introduction of mathematical model, the conversion of absolute error and relative error, the standard uncertainty introduced by repetitive measurement, The choice of certainty component, the form of report of synthetic uncertainty and the neglected and non-standard expressions commonly found in digital reductions. Comparison of portable brake performance tester case study to make the work more standardized.