ETC S4 Fresnel Specs

ETC
®
Fresnel Series
PHOTOMETRICS
3 of 6
Source Four Fresnel - Narrow Focus (115V)
Degree Candela
Field
Lumens
Beam
Lumens
Lumens per
Watt
20°
124,300 3,990 1,930 5.3
For field diameter at any distance, multiply distance by 0.42
For beam diameter at any distance, multiply distance by 0.21
Throw Distance (d)
10.0’
3.0m
15.0’
4.6m
20.0’
6.1m
25.0’
7.6m
Field Diameter
3.5’
1.1m
5.2’
1.6m
6.9’
2.1m
8.6’
2.6m
Illuminance (fc)
1,243 552 311 199
Illuminance (lux)
13,380 5,946 3,345 2,141
Beam Angle
Field Angle
9˚ 20˚
X
Y
Iso-Illuminance Diagram
(Flat Surface Distribution)
Degrees
Candela
Candela Plot
140000
120000
100000
80000
60000
40000
20000
0
X
Y
010-10 -5
51
5-15
10%
50%
.059 .118 .176 .235