ETC Desire Series General Information Manual page 5

ETC
®
p H o t o m e t r i C S
D40 Vivid
™
Mode Degree
˚
Boost - Cold
17
˚
regulated
17
metric Conversions: for meters multiply feet by .3048
for lux multiply footcandles by 10.76
8˚
throw Distance (d) 10'
3.0m
Field Diameter
3.1'
0.9m
illuminance (fc) 1,019
illuminance (lux)
10,968
for field diameter at any distance, multiply distance by .308
for beam diameter at any distance, multiply by 0.145
D40 Lustr+
™
Mode Degree
Boost - Cold ˚
17
regulated ˚
17
metric Conversions: for meters multiply feet by .3048
for lux multiply footcandles by 10.76
8˚
throw Distance (d) 10'
3.0m
Field Diameter
3.0'
0.9m
illuminance (fc) 1,215
illuminance (lux)
13,078
for field diameter at any distance, multiply distance by .301
for beam diameter at any distance, multiply by 0.145
candela Field Beam
Lumens Lumens
115,088 2,705 1,208
96,152 2,234 996
17˚
15' 20' 25'
4.6m 6.1m 7.6m
4.6' 6.2' 7.7'
1.4m 1.9m 2.3m
453 255 163
4,875 2,742 1,755
candela Field Beam
Lumens Lumens
144,207 3,102 1,488
129,832 2,788 1,333
17˚
15' 20' 25'
4.6m 6.1m 7.6m
4.5' 6.0' 7.5'
1.4m 1.8m 2.3m
540 304 194
5,813 3,270 2,093
Lumens
per Watt
26.7
26.5
319'
97m
–
1
10.76
Lumens
per Watt
30.3
29.8
348'
106m
–
1
10.76
5 of 8
Desire
cosine candela plot
120000
100000
80000
60000
40000
20000
0
-15 -10 -5 0 5
Degrees
iso-illuminance Diagram
(Flat surface Distribution)
Y
X
.056
cosine candela plot
120000
100000
80000
60000
40000
20000
0
-15 -10 -5 0 5
Degrees
iso-illuminance Diagram
(Flat surface Distribution)
Y
X
.056
D40
™
Series
™
X
Y
10 15
10%
50%
% illuminance
foot candle
or lux
.111 .167
X
Y
10 15
10%
50%
% illuminance
foot candle
or lux
.111 .167