The internal comparison test is a crucial measure for quality control and assurance in motor vehicle inspection agencies.It is primarily utilized to assess the reliability of internal detection methods,accuracy of re-sults,personnel proficiency,and equipment precision.Activities include planning,implementation,data analy-sis,and improvement.The internal comparison test is integral to the quality assurance system of testing organi-zations.By conducting these tests,motor vehicle testing organizations can continuously enhance their capabilities to provide customers with accurate and reliable results.En value has gained increasing attention as a means to e-valuate technical ability in internal comparison activities.Detailed evaluation results are provided through En val-ue analysis,offering guidance for the quality management of testing institutions.
关键词
En/值判断法/内部比对/机动车检测/HC/CO/NO
Key words
Evaluation method for En values/Internal comparison/Detection of motor vehicles/HC/CO/NO