This standard specifies the design principles, the lighting quantity and quality indexes.
This standard is applicable to the lighting design of the constructed, renovated and extended museums or the museums using historic buildings and old buildings.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest editions of the normative documents referred to apply.
GB 50034 Standard for Lighting Design of Buildings
GB 50054 Code for Design of Low Voltage Electrical Installations
3 Terms and Definitions
For the purpose of this standard, the following terms and definitions apply.
3.1
Optical radiation
The electromagnetic radiation with wavelengths between the transition region to X ray (λ≈1 nm) and that to radio wave (λ≈1mm)is short for optical radiation.
3.2
Visible radiation
The optical radiation which can directly cause a visual sensation. Generally, its wavelength range is limited between 380 nm ~780 nm.
3.3
Infrared radiation
The optical radiation with the wavelength longer than that of visible radiation. Generally, the infrared radiation with wavelength range between 780 nm and 1 mm is subdivided into:
