JJF 1989-2022 《Calibration Specification for Spectral Illuminance Meters》 Related products

The JJF 1989-2022 standard applies to the calibration of Light spectrum luminometers that obtain illuminance and chroma parameters by spectrophotometry measurement of Light spectrum Power distribution in the visible Light spectrum region. The standard refers to several related documents, including luminaire standards, luminous intensity standards, standard swatches, and photometer standard filters. Light spectrum luminometers are widely used in field lighting measurement and Light source Product Research & Development. The working principle covers spectroscopic systems, photodetectors and signal processing circuits. Measurement of Light spectrum Power distribution of light source to calculate illuminance and chroma parameters. Typical structures include cosine correctors, optical fibers, integrating spheres, and grating spectroscopic systems. Light spectrum information is obtained using arrayed photodetectors or non-arrayed photodetectors, and data processing and display results are carried out by microprocessors. The JJF 1989-2022 standard ensures the accuracy and Reliability of Light spectrum luminometer measurement results and is suitable for precise applications in various types of Optical inspection measurement and lighting engineering.