一、引言本文分析研究了光照度量值复现方法之一:光轨标定法——JJG245-2005《光照度计》检定规程中规定的标准溯源方法,并应用于2009年度一级光照度计示值校准能力验证。本次能力验证由中国计量科学研究院作为主导实验室,共26家实验室参加,历时4个月。参加实验室的范围涉及各省市计量院(所)20家、质检系统2家、国 I. INTRODUCTION This paper analyzes and studies one of the methods of light intensity recurrence: Track Calibration Method - Standard trace method stipulated in JJG245-2005 “Luminometer” verification protocol and applied to the calibration of the first grade illuminance meter in 2009 Ability verification. The capacity verification by the China Institute of Metrology as a leading laboratory, a total of 26 laboratories to participate, which lasted 4 months. Participate in the scope of the laboratory involving provinces and municipalities Institute of measurement (20), quality inspection system 2, the country