DL2482 datasheet(23/82 Pages) OSRAM

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2. Lamp data

Economical long-life light sources with plug-in bases.

Compact Fluorescent Lamps OSRAM DULUX®

Technical Guide

2.3.2 Colour

specifications

The following table shows the various light colours in which OSRAM DULUX® lamps

are available, together with their principal colour parameters:

Light

Colour

colour

tempe-

rendering

rature

group

index (CRI)

Reference

DIN 5035

LUMILUX®

860

LUMILUX® Daylight

6000

≥ 80

840

LUMILUX® Cool White

4000

≥ 80

830

LUMILUX® Warm White

3000

≥ 80

827

LUMILUX INTERNA®

2700

≥ 80

LUMILUX® DE LUXE

950

LUMILUX® DE LUXE Daylight

5400

≥ 90

940

LUMILUX® DE LUXE Cool White

3800

≥ 90

930

LUMILUX® DE LUXE Warm White

3000

≥ 90

Special light colours1)

Red

Green

Blue

Lamps with chromaticity coordinates that do not lie in the vicinity of the reference radiators (Judd lines; see

CIE calculation method) cannot, by definition, be assigned a colour temperature and hence cannot be assigned

a colour rendering index.

OSRAM DULUX® compact fluorescent lamps are available in LUMILUX® and

LUMILUX® DE LUXE light colours. The most economical lighting is achieved with

LUMILUX®. These light colours fall into colour rendering group 1B, which means they

are ideal for most applications (including office and shop lighting, hotel and restaurant

lighting, living rooms and outdoors). In places where colour rendering is a particular

important factor (art galleries, museums, laboratories and graphical trades, for exam-

ple), OSRAM DULUX® lamps are also supplied in LUMILUX® DE LUXE light colours.

As group 1A lamps, these offer the best colour rendering. However, because their

luminous flux is lower than their LUMILUX® counterparts, more lamps are needed to

achieve the same lighting level.

Ultimately, the choice of light colour depends on the specific application, room con-

ditions and personal preference.

2.3.3 Chromaticity

coordinates

tolerance fields

Chromaticity coordinate tolerance fields are ellipses in the chromaticity table which

represent the permissible range for the relevant light colour.

The tolerances are five threshold units for all light colours (LUMILUX®, LUMILUX® DE

LUXE).

A threshold unit represents the minimum perceivable difference in colour between two

lamps (see also IEC 60901 and IEC 60081).

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