Nov 20.2020
II. Photometry requirement
Table 4 – Coefficients of luminous intensity, CIL, for conventional reflectors
|
Colour |
Observation angle α |
Entrance angle β(in degree) |
|||
|
Vertical V Horizontal H |
0° 0° |
±10° 0° |
±5° ±20° |
||
|
White |
0°20’ |
|
1200 |
800 |
400 |
|
1°30’ |
|
20 |
11.2 |
10 |
|
|
Yellow |
0°20’ |
|
750 |
500 |
250 |
|
1°30’ |
|
12.5 |
7 |
6.25 |
|
|
Red |
0°20’ |
|
300 |
200 |
100 |
|
1°30’ |
|
5 |
2.8 |
2.5 |
|
Table 5 – Coefficients of luminous intensity, CIL, for conventional reflectors
|
Colour |
Observation angle α |
Entrance angle β(in degree) |
|||
|
Vertical V Horizontal H |
0° 0° |
±10° 0° |
±0° ±20° |
||
|
White |
0°12’ |
|
2500 |
1650 |
850 |
|
1°30’ |
|
26 |
18 |
11 |
|
|
Yellow |
0°12’ |
|
1560 |
1030 |
530 |
|
1°30’ |
|
21 |
15 |
10 |
|
|
Red |
0°12’ |
|
625 |
410 |
210 |
|
1°30’ |
|
9 |
6 |
4 |
|
Table 6 – Coefficients of luminous intensity, CIL, for wide angle reflectors
|
Colour |
Observation angle α |
Entrance angle β(in degree) |
||||||
|
Vertical V Horizontal H |
0° 0° |
±10° 0° |
±0° ±20° |
±0° ±30° |
±0° ±40° |
±0° ±50° |
||
|
White |
0°20’ |
|
1800 |
1200 |
610 |
540 |
470 |
400 |
|
1°30’ |
|
34 |
24 |
15 |
15 |
15 |
15 |
|
|
Yellow |
0°20’ |
|
1125 |
750 |
380 |
335 |
290 |
250 |
|
1°30’ |
|
21 |
15 |
10 |
10 |
10 |
10 |
|
|
Red |
0°20’ |
|
450 |
300 |
150 |
135 |
115 |
100 |
|
1°30’ |
|
9 |
6 |
4 |
4 |
4 |
4 |
|
Table 7 – Coefficients of luminous intensity, CIL, for wide angle reflectors
|
Colour |
Observation angle α |
Entrance angle β(in degree) |
||||||
|
Vertical V Horizontal H |
0° 0° |
±10° 0° |
±0° ±20° |
±0° ±30° |
±0° ±40° |
±0° ±50° |
||
|
White |
0°12’ |
|
2500 |
1650 |
850 |
750 |
650 |
550 |
|
1°30’ |
|
26 |
18 |
11 |
11 |
11 |
11 |
|
|
Yellow |
0°12’ |
|
1560 |
1030 |
530 |
465 |
405 |
340 |
|
1°30’ |
|
21 |
15 |
10 |
10 |
10 |
10 |
|
|
Red |
0°12’ |
|
625 |
410 |
210 |
185 |
160 |
135 |
|
1°30’ |
|
9 |
6 |
4 |
4 |
4 |
4 |
|
Table 8 – Coefficients of luminous intensity, CIL, for pedal reflectors
|
Colour |
Observation angle α |
Entrance angle β(in degree) |
|||
|
Vertical V Horizontal H |
0° 0° |
±10° 0° |
±0° ±20° |
||
|
Yellow |
0°20’ |
|
300 |
200 |
100 |
|
1°30’ |
|
12 |
9 |
6 |
|
Table 9 – Coefficients of luminous intensity, CIL, for pedal reflectors
|
Colour |
Observation angle α |
Entrance angle β(in degree) |
|||
|
Vertical V Horizontal H |
0° 0° |
±10° 0° |
±5° ±20° |
||
|
Yellow |
0°12’ |
|
450 |
700 |
400 |
|
1°30’ |
|
30 |
20 |
10 |
|
Table 10 – Coefficients of luminous intensity, CIL, for high values reflectors
|
Colour |
Observation angle α |
Entrance angle β(in degree) |
|||
|
Vertical V Horizontal H |
0° 0° |
±10° 0° |
±5° ±20° |
||
|
Red |
0°20’ |
|
1000 |
700 |
400 |
|
1°30’ |
|
30 |
20 |
10 |
|
“ISO 6742-2 Cycles-Lighting and retro-reflective devices-Part2: Retro-reflective devices”