IS 11472 : Part 1 : 1985 Artificial day light for the assessment of colours: Part 1 Illuminant for colour matching and colour appraisal

1 Scope

1.1 This standard (Part 1) specifies an illuminant representinga phase of daylight, and the tolerances in both chromaticity andspectral distribution to which artificial light sources shallconform. This illuminant is suitable for colour matching and colourappraisal.

2 References

IS 2 :1960 Rules forrounding off numerical values

IS 2418 Specification fortubular fluorescent lamps forgeneral lighting service:

Part 1 :1977 Requirements and tests

Part 2 :1977 Standard lamp data sheets