T
ECHNICAL
S
PECIFICATIONS
:
B
0 2 . 9 6 7 3 . 0 0 0 1 A
22 - May- 0 1
105
Photometric
VL2201 Spot Luminaire - 400W Metal Halide
(All data taken with a seasoned light source at 20 hours of life.)
* Multiply throw distance by Tn to determine coverage.
To calculate Illuminance (I) at a specific distance (D):
VL2202 Spot Luminaire - 700W Metal Halide
(All data taken with a seasoned light source at 20 hours of life.)
* Multiply throw distance by Tn to determine coverage.
To calculate Illuminance (I) at a specific distance (D):
LENS
CANDELA
(cd)
BEAM
ANGLE
(degrees)
BEAM
DIAMETER
TN*
FIELD
ANGLE
(degrees)
FIELD
DIAMETER
TN*
NFOV
(Peak Field)
556,000
5.0
°
.087
13.0
°
.228
NFOV
(Flat Field)
369,600
5.5
°
.096
15.5
°
.272
MFOV
(Peak Field)
128,800
9.5
°
.166
23.5
°
.416
MFOV
(Flat Field)
98,400
12.0
°
.210
29.0
°
.517
WFOV
(Peak Field)
86,000
13.0
°
.228
31.0
°
.555
WFOV
(Flat Field)
52,400
19.0
°
.335
34.5
°
.621
LENS
CANDELA
(cd)
BEAM
ANGLE
(degrees)
BEAM
DIAMETER
TN*
FIELD
ANGLE
(degrees)
FIELD
DIAMETER
TN*
NFOV
297,000
15.0
.263
18.5
.326
MFOV
104,000
25.0
.443
30.5
.545
WFOV
50,000
34.5
.621
42.5
.777
I =
cd
D
2
I =
cd
D
2