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 Ledalite Architectural Products Inc.  Cresendo  

Cresendo - Page 3

 

 

Crescendo 11"

1 T5 - Indirect

PHOTOMETRY (Meets RP-1)
Report# 2100548
Efficiency 87.4%
Peak Candela Value 679 @ 127.5°
Peak: Zenith Ratio 1.4:1

CANDELA DISTRIBUTION

Vert. Angle

Horizontal Angle

Zonal lumens
0 22.5 45 67.5 90
0 0 0 0 0 0  
5 0 0 0 0 0 0
15 0 0 0 0 0 0
25 0 0 0 0 0 0
35 0 0 0 0 0 0
45 0 0 0 0 0 0
55 0 0 0 0 0 0
65 0 0 0 0 0 0
75 0 0 0 0 0 0
85 0 0 0 0 0 0
90 0 0 0 0 0  
95 17 93 8 1 0 54
105 81 250 407 471 437 343
115 163 269 483 601 638 436
125 246 301 487 641 670 421
135 321 356 428 553 617 351
145 385 407 443 484 504 280
155 435 447 467 486 492 214
165 469 475 481 488 490 136
175 486 487 489 490 490 48
180 490 490 490 490 490  

COEFFICIENTS OF UTILIZATION (%)

Ceiling Wall RCR

80

70

50

0
70 50 30 10 70 50 30 50 30 10 0
0 83 83 83 83 71 71 71 48 48 48 0
1 75 75 69 66 64 61 59 42 40 39 0
2 68 62 58 53 58 53 50 36 34 32 0
3 62 55 49 44 53 47 42 32 29 27 0
4 57 48 42 37 48 41 36 28 25 22 0
5 52 43 36 31 44 36 31 25 22 19 0
6 47 38 31 27 40 32 27 22 19 16 0
7 44 34 27 23 37 29 24 20 16 14 0
8 40 30 24 20 34 26 21 18 15 12 0
9 37 27 21 17 32 24 19 16 13 11 0
10 34 25 19 15 29 21 16 15 11 9 0

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 an 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" configura-tions, shall be mitered aluminum extru-sion.

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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