
VL6C+ ™ SPOT LUMINAIRE USER MANUAL 53
Photometric Data
VL6C+ Luminaire with 700W Short Arc Metal Halide Lamp
1
Multiply throw distance by Tn to determine coverage.
To calculate center beam illuminance (I) at a specific distance (D):
-- if (D) is in feet, (I) is in foot candles
-- if (D) is in meters, (I) is in lux
* All data taken with seasoned light source at 20 hours of life.
ZOOM LENS
POSITION
CANDELA*
(cd)
BEAM ANGLE
(degrees)
BEAM DIAMETER
(Tn)
1
FIELD ANGLE
(degrees)
FIELD DIAMETER
(Tn)
1
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
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