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EVERFINE GONIOPHOTOMETERS SYSTEM TEST REPORT Page 3 Of 10
COEFFICIENT OF UTILIZATION CURVE
AND ISOLUX DIAGRAM
2 1 0 1 2 3 4
STREET SIDEHOUSE SIDE RATIO OF DISTANCE TO MOUNTING HEIGHT
0
10
20
30
40
50
60
70
80
90
100
STREETLIGHT COEFFICIENT OF UTILIZATION CURVE
CU(%)
TILT ANGLE
0.0(DEG)
5.0(DEG)
10.0(DEG)
15.0(DEG)
20.0(DEG)
-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 67
4
3
2
1
0
1
RATIO OF DISTANCE TO MOUNTING HEIGHT
STREET SIDE D/MH HOUSE SIDE
2.6 1.9 1.6 1.3 0.96
0.32 0.16 0.096 0.032 0.016
ROAD SURFACE ISOLUX DIAGRAM
ILLUMINANCE AT MH=10 m,Enadir = 3.21 lx
TO CONVERT TO OTHER MH,MULTIPLY BY FACTOR IN THE TABLE.
HEIGHT FACTOR
5 m 4.000
6 m 2.778
7 m 2.041
8 m 1.563
9 m 1.235
10 m 1.000
11 m 0.826
12 m 0.694
13 m 0.592
14 m 0.510
15 m 0.444
16 m 0.391
C Range: 0 - 360DEG
C Interval: 15.0DEG
Range: 0 - 90DEG
Interval: 0.5DEG
γ
γ
Test Speed: MEDIUM Test System:EVERFINE GO-2000B_V1 SYSTEM V2.0.291
Temperature:25.3DEG Humidity:65.0%
Test Distance:7.500m [K=1.0000]Operators:wxh
Test Date:2016-03-12 Remarks:
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