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  Ledalite Architectural Products Inc.   Cresendo  

Cresendo - Page 19

   

Cresendo

Crescendo 11"   

2T8 - Semi-Indirect
PHOTOMETRY
Reports# 2100516
Efficiency 74.7%
Peak Candela Value 1167 @ 140°
Peak:Zenith Ratio 1.3:1

CANDELA DISTRIBUTION

Vert. Angle

HorizontalAngle

 Zonal Lumens
0 22.5 45 67.5 90
0 196 196 196 196 196  
5 196 196 196 196 195 19
15 186 188 187 188 186 52
25 172 173 172 171 170 79
35 149 151 151 151 150 94
45 123 123 125 123 124 96
55 91 93 95 96 96 84
65 57 61 65 67 68 63
75 23 30 37 35 34 36
85 1 7 10 10 10 10
90 0 0 0 0 0  
95 35 70 59 51 49 75
105 157 352 411 373 372 368
115 310 538 697 771 798 626
125 462 615 872 976 1019 715
135 600 675 947 1100 1143 692
145 720 754 897 1078 1139 574
155 811 832 877 951 987 412
165 876 889 900 9214 921 255
175 913 917 917 920 924 89
180 920 920 920 920 920  

COEFFICIENTS OF UTILIZATION (%)

Ceiling Wall RCR 80 70 50 0
70 50 30 10 70 50 30 50 30 10 0
0 73 73 73 73 64 64 64 46 46 46 9
1 66 63 61 58 58 55 53 40 39 38 7
2 60 55 51 47 52 48 45 35 33 31 6
3 55 48 43 39 48 42 38 31 28 26 5
4 50 43 37 33 43 37 33 27 24 22 4
5 46 38 32 28 40 33 28 24 21 19 4
6 42 34 28 24 36 29 25 22 18 16 3
7 39 30 24 21 34 26 22 19 16 14 3
8 36 27 22 18 31 24 19 17 14 12 2
9 33 24 19 16 29 21 17 16 13 11 2
10 31 22 17 14 27 20 15 14 11 9 2

Based on a floor reflectance of 0.2

SPECIFICATIONS

Housing:

6063 T5 extruded aluminum.

Optical system:

Optical system constructed of highly specular aluminum to produce a semi-indirect distribution.

Row ends:

Mitered aluminum extrusion sculptured end caps.

Joints & Intersections:

All joints shall be accomplished using TwinLock™ joining system. Optional intersections in "L", "T", or "X" configurations, shall be mitered aluminum extrusion.

Mounting:

All mounts shall have tamper proof infinite vertical adjustment capability. Mounts shall be independently certified up to Zone 4 seismic requirements and able to accept loads up to 1000lb.

Electrical:

All luminaire sections shall be factory pre-wired to section ends, utilizing segregated raceways. Optional quick connect plugs are available.

Ballast:

Electronic: rapid start or dimming.

Approvals:

Certified to UL & CSA standards.

Finish:

Thermosetting polyester, electrostatically applied meeting AAMA 603.8. Available in Ledalite standard white and in a full architectural spectrum of colors. Medium gloss finish as standard.

©1998 Ledalite Architectural Products Inc. 9087A - 198th Street, Langley, B.C., Canada, V1M 3B1

Phone: 604-888-6811 Toll Free Fax: 1-800-665-LEDA (5332) Email: info@ledalite.com  WWW: http://www.ledalite.com  

Note: Specifications subject to change without notice.



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