DT1384 datasheet(9/82 Pages) OSRAM

9 / 82 page

1. General

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

Compact Fluorescent Lamps OSRAM DULUX®

Technical Guide

To this figure must be added the savings in relamping costs. An OSRAM DULUX® lamp

used with conventional control gear will last around eight times as long as an incan-

descent lamp, and around ten times as long if it is operated with electronic control

gear. The extra cost of purchasing an OSRAM DULUX® lamp will be offset by reduced

electricity costs after as little as 1000 hours of operation, depending on the wattage.

Cost/benefit analyses can also be carried out with the OSRAM ECOS program (see

OSRAM Lighting Programme on CD-ROM).

1.3

Economy

Compared with incandescent lamps of similar luminous flux, OSRAM DULUX® lamps

consume only one quarter to one fifth of the electrical energy.

OSRAM DULUX® lamps are particularly economical in applications where the lamps

remain switched on for long periods. The following table shows the clear cost savings:

Lamp

OSRAM

Incandescent

DULUX® T/E 18 W

DULUX® T 18 W

lamp

Lamp wattage

18 W

100 W

CCG losses

6 W

ECG losses

2 W

Total wattage

20 W

24 W

100 W

Luminous flux

1.150 lm

1.200 lm

1.380 lm

Lamp life

10.000 h

8.000 h

1.000 h

(average life for a 3 h

switching cycle)

Hours burned

8.000 h

8 x 1.000 h

Power consumption

160 kWh

192 kWh

800 kWh

during 8.000 hours of operation

Electricity costs at

€ 0,13/kWh

€ 20,80

€ 24,96

€ 104,00

8.000 h

Savings over the life of one

OSRAM DULUX® lamp:

8.000 h

€ 83,20

€ 79,40

Operated on QT-T/E 1 x 18/230-240

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