Luminous flux definition

Luminous flux means the measure of the perceived power of

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Luminous flux means the light power emitted by a source, as defined by the International Commission on Illumination (CIE).

Luminous flux means the light given by a light source or a luminaire or received by a surface irrespective of the directions in which it is distributed and the unit of the luminous flux is the lumen (lm);

Examples of Luminous flux in a sentence

Luminous flux lm 500 ± +10% / –10% Reference luminous flux at approximately 13.2 V 465 lm Reference luminous flux at approximately 13.5 V 500 lm 4 To be checked by means of a "Box-System"; sheet PSX26W/3.
Luminous flux 1,100 ± 15% 1,700 ± 15% Reference luminous flux at approximately 12 V 800 1,200 13.2 V 1,100 1,700 16/ The ends of the filament are defined as the points where, when the viewing direction is direction A as shown on sheet H13/1, the projection of the outside of the end turns crosses the filament axis.
Luminous flux H6W 125 – 12 % HY6W 75 – 17 % Reference luminous flux at approximately 13.5 V White:125 lm Amber:75 lm CATEGORIES H21W AND HY21W Sheet H21W/1 The drawings are intended only to illustrate the es sential dimensions (in mm) of the filament lamp HY21W 5/, 6 / H21W Dimensions in mm Filament lamps of normal production St andard filame nt lamp min.
Luminous flux H6W 125 ± 12 % HY6W 75 ± 17 % Reference luminous flux at approximately 13.5 V White:125 lm 2/ In the area between the outer legs of the angles γ1 and γ2, the bulb shall have no optically distorting areas and the curvature of the bulb shall have a radius not less than 50 per cent of the actual bulb diameter.
Luminous flux 270 21 ± % 20 20 Reference luminous flux at approximately 13.5 V White: 440 lm and 35 lm Amber: 270 lm and 21 lm 1/ These dimensions shall be checked by means of a "box-system".

More Definitions of Luminous flux

Luminous flux means the measure of the quantity of light. For a lamp or luminaire it normally refers to the total light emitted irrespective or the directions in which it is distributed.

Luminous flux. , which means a quantity derived from radiant flux (radiant power) by evaluating the radiation according to the spectral sensitivity of the human eye;

Luminous flux. (Φ) means the quantity derived from radiant flux (radiant power) by evaluating the radiation in accordance with the spectral sensitivity of the human eye. Without further specification it refers to the initial luminous flux;

Luminous flux means the measure of the perceived power of the light in lumens.

Luminous flux means the power emitted from a source of electromagnetic radiation, such as a light bulb, in the form of visible light. Luminous flux is measured in lumens and is typically specified by the manufacturer for a given lamp or luminaire.

Luminous flux means lumens generated by a lamp in rated voltage and stable operation, in lumens (lm);

Luminous flux means the measure of the rate of emission or reflection of light from an object or surface and is measured in lumens;