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  Ledalite Architectural Products Inc.   Cresendo  

Cresendo - Page 17

   

Cresendo

Crescendo 11"   

1T8 - Semi-Indirect
PHOTOMETRY
Reports# 2100514
Efficiency 78.6%
Peak Candela Value 625 @ 115°
Peak:Zenith Ratio 1.4:1

CANDELA DISTRIBUTION

Vert. Angle

HorizontalAngle

 Zonal Lumens
0 22.5 45 67.5 90
0 79 79 79 79 79  
5 79 78 78 78 77 8
15 74 75 75 74 73 21
25 67 67 68 67 68 31
35 59 59 59 59 59 36
45 48 49 49 48 49 36
55 35 36 37 37 38 33
65 21 23 25 26 27 24
75 8 11 13 12 12 13
85 0 1 4 3 3 3
90 0 0 0 0 0  
95 20 62 48 43 41 60
105 77 207 368 347 335 290
115 175 252 423 570 625 400
125 222 281 432 545 591 373
135 289 322 419 530 564 327
145 347 366 409 471 502 263
155 392 402 421 445 457 196
165 424 430 433 441 446 124
175 440 443 441 444 445 44
180 443 443 443 443 443  

COEFFICIENTS OF UTILIZATION (%)

Ceiling Wall RCR 80 70 50 0
70 50 30 10 70 50 30 50 30 10 0
0 76 76 76 76 66 66 66 47 47 47 7
1 69 66 63 61 60 57 55 41 40 38 6
2 63 58 53 49 54 50 46 36 34 32 5
3 57 50 45 41 50 44 40 32 29 26 4
4 52 44 39 34 45 39 34 28 25 22 3
5 48 39 33 29 41 34 29 25 21 19 3
6 44 35 29 25 38 31 26 22 19 16 2
7 40 31 26 21 35 27 22 20 16 14 2
8 37 28 23 19 32 25 20 18 15 12 2
9 34 25 20 16 30 22 18 16 13 11 1
10 32 23 18 14 28 20 16 15 12 9 1

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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