General information
Allgemeine Informationen
General Information 299
Light output (Im W)
Lifespan
Light colour Kelvin
Explanation technical terms
Lumen
Luminous flux (lumen; Im) describes the useful power
emitted light source all directions adjusted for the
international standard established for human eye sensiti-
vity.
Lux
The value for illuminance (lux; lx) denotes how much light
falls unit area surface. For example, incandescent bulb
with its warm white light may have colour temperature
of 2,700 bright white fluorescent lamp 4,000 and a
fluorescent lamp producing near daylight conditions
around 5,000 K.500 5.
Light colour
The light colour lamp can defined terms of
’colour temperature` which measured using the Kelvin (K)
temperature scale.
WOFI LED Lights
Incandescent lamp
Classic LED Daylight
3.
Incandescent
lamp
Halogen lamp
Energy saving
lamp
LED
0 10,000h 20,000h 30,000h
Lifespan
up to
Incandescent
lamp
Halogen lamp
Energy saving
lamp
Fluorescent lamp
LED
8,000h
20,000h
30,000h
3,000h
1,000h
. The luminous flux values for light sources are given in
the product lists lamp manufacturers.000 6. The illuminance values
required for artificial lighting are established German In-
dustrial Standards.
Luminous efficacy
Luminous efficacy measure the efficiency light
source.500 K
10
25
60
100
0 100
Light output (Im/W)
approx. Air bubbles within the
glass are sign manual craftsmanship and are reason
for rejection. tells how many lumens per Watt are produced
by lamp: the higher the lumen/Watt ratio (Im/W), the more
efficient the light source.
Glasses
Hand blown glasses
Hand blown glasses are individually made skilled
craftsmen and each glass unique
