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  Ledalite Architectural Products Inc.   Apex  

Apex - Page 19

   

Apex

Apex 55 Asymmetry™   2T8 - Direct / Indirect

PHOTOMETRY

OPTICAL SETTING A:

Lower wall brightness plus maximum uniformity on wall

Report # 2100613
Efficiency 70.5%
Peak Candela Value 1445 @ 125°
Peak : Zenith Ratio 1.8:1
Asymmetric Effectiveness 41.8%

 

OPTICAL SETTING B:
Higher wall brightness with maximum efficiency & more backlight

Report # 2100614
Efficiency 80.1%
Peak Candela Value 1474 @ 132.5°
Peak : Zenith Ratio 1.4:1
aSYMMETRIC eFFECTIVENESS 45.8%

 

CANDELA DISTRIBUTION
Vert.  Angle Horizontal Angle Zonal Lumens
0    45 90 135 180
0 242 242 242 242 242  
5 227 231 240 252 256 24
15 187 202 228 262 267 64
25 134 157 200 233 229 89
35 135 108 157 172 163 93
45 97 64 54 92 66 58
55 14 11 2 10 4 9
65 5 1 0 0 3 1
75 5 3 0 0 5 3
85 4 3 0 1 5 3
90 2 2 0 0 0  
95 220 210 31 115 99 163
105 764 735 150 338 418 486
115 1260 1037 284 405 511 648
125 1445 1081 414 464 543 663
135 1391 1084 529 533 579 607
145 1287 997 629 608 623 503
155 1091 950 706 681 677 373
165 957 886 762 735 733 229
175 840 821 789 778 774 78
180 794 794 794 794 794  

CANDELA DISTRIBUTION

Vert.  Angle Horizontal Angle Zonal Lumens

 

0    45 90 135 180
0 230 230 230 230 230  
5 214 218 229 240 244 22
15 176 188 217 253 263 62
25 128 146 189 232 233 87
35 132 100 149 175 167 90
45 81 57 53 97 75 55
55 7 8 2 16 9 10
65 0 0 0 5 9 4
75 0 0 0 5 9 4
85 0 0 0 5 6 3
90 0 0 0 5 5  
95 185 187 44 126 121 160
105 724 710 200 339 418 488
115 1230 1044 380 448 530 683
125 1465 1147 555 565 623 744
135 1466 1207 716 687 721 718
145 1431 1178 852 812 819 627
155 1301 1176 961 927 921 483
165 1213 1146 1034 1008 1011 304
175 1114 1095 1076 1058 1065 106
180 1080 180 180 180 180  

 

COEFFICIENTS OF UTILIZATION (%)
Ceiling Wall RCR 80 70 50 0
70 50 30 10 70 50 30 50 30 10 0
0 68 68 68 68 59 59 59 42 42 42 5
1 62 59 57 55 54 52 50 37 36 35 5
2 57 52 48 45 49 45 42 33 31 29 4
3 52 46 41 38 45 40 36 29 26 24 4
4 47 41 36 32 41 35 31 26 23 21 4
5 43 36 31 27 38 31 27 23 20 18 3
6 40 32 27 23 34 28 24 20 18 15 3
7 37 29 24 20 32 25 21 18 16 13 3
8 34 26 21 18 29 23 19 17 14 12 2
9 31 24 19 16 27 21 17 15 12 10 2
10 29 21 17 14 25 19 15 14 11 9 2

Based on a floor reflectance of 0.2

COEFFICIENTS OF UTILIZATION (%)
Ceiling Wall RCR 80 70 50 0
70 50 30 10 70 50 30 50 30 10 0
0 77 77 77 77 67 67 67 47 47 47 5
1 71 67 65 62 61 58 56 41 40 39 5
2 64 59 54 51 55 51 48 36 34 32 4
3 59 52 47 42 51 45 41 32 30 27 4
4 54 46 40 36 46 40 35 29 26 23 3
5 49 41 35 30 42 35 31 26 22 20 3
6 45 36 30 26 39 32 27 23 20 17 3
7 42 33 27 23 36 28 24 21 17 15 2
8 38 29 24 20 33 26 21 19 15 13 2
9 36 27 21 17 31 23 19 17 14 12 2
10 33 24 19 15 29 21 17 15 12 10 2

Based on a floor reflectance of 0.2

SPECIFICATIONS

Optical system:

Optical system constructed of highly specular aluminum to produce a direct/indirect distribution. Aluminum parabolic louver shall have 16 cells per 4 ft to produce 55 degree cutoff in all zones.

Row ends:

Mitered aluminum extrusion end caps.

Joints & Intersections:

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

Mounting:

Brackets attach to existing structure anywhere behind fixture. Fully adjust-able mounting brackets to provide up to 1/8" wall variance and allow for certical fixture leveling.

Electrical:

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

Ballast:

Electronic: rapid start, instant 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.

*Asymmetric effectiveness refers to the percentage of lamp lumens distributed on the room side of the luminaire, above 90 degrees.

©1996 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  This sheet is available on disk or at our Web site, referenced by Catalog number. Note: Specifications subject to change without notice. 



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