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CR22-20L-40K-S Datasheet(PDF) 3 Page - Cree, Inc |
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CR22-20L-40K-S Datasheet(HTML) 3 Page - Cree, Inc |
3 / 3 page T (800) 236-6800 F (262) 504-5415 US: www.cree.com/lighting T (800) 473-1234 F (800) 890-7507 Canada: www.cree.com/canada © 2015 Cree, Inc. and/or one of its subsidiaries. All rights reserved. For informational purposes only. Content is subject to change. Patent www.cree.com/patents. Cree®, TrueWhite®, Cree TrueWhite®, and the Cree TrueWhite Technology logo are registered trademarks, and the Cree logo, CR22™ and the Quick Ship logo are trademarks of Cree, Inc. The UL logo is a registered trademark of UL LLC. Lutron®, Lutron EcoSystem®, EcoSystem®, and the Lutron EcoSystem Enabled logo are registered trademarks of Lutron, Inc. The DLC QPL logo is a registered trademark of Northeast Energy Efficiency Partnerships, Inc. CR22™ 2' x 2' Architectural LED Troffer Open Space Spacing Lumens Wattage LPW w/ft2 Average fc 8 x 8 2000L 22W 90 0.35 28 3200L 32W 100 0.55 44 8 x 10 2000L 22W 90 0.28 23 3200L 32W 100 0.44 37 10 x 10 2000L 22W 190 0.22 20 3200L 32W 100 0.35 31 10 x 12 2000L 22W 90 0.19 16 3200L 32W 100 0.29 25 9' ceiling: 80/50/20 reflectances; 2.5' workplane, open room. LLF: 1.0 Initial Open Space: 50' x 40' x 10' Coefficients Of Utilization – Zonal Cavity Method RC %: 80 RW %: 70 50 30 10 RCR: 0 119 119 119 119 1 110 105 101 98 2 100 92 85 80 3 91 81 73 67 4 84 72 63 57 5 77 64 55 49 6 71 58 49 43 7 66 52 44 38 8 61 48 39 33 9 57 44 36 30 10 53 40 32 27 Effective Floor Cavity Reflectance: 20% Zonal Lumen Summary Zone Lumens % Lamp Luminaire 0-30 923 N/A 28.1% 0-40 1,527 N/A 46.5% 0-60 2,704 N/A 82.5% 0-90 3,280 N/A 100% 0-180 3,959 N/A 100% Average Luminance Table (cd/m2) Horizontal Angle 0° 45° 90° 45° 3,575 3,864 3,972 55° 3,164 3,656 3,758 65° 2,498 3,133 3,347 75° 1,620 2,348 2,051 85° 366 252 168 Photometry CR22-32L-30K BASED ON LTL REPORT TEST #: 24292 Luminaire photometry has been conducted by a NVLAP accredited testing laboratory in accordance with IESNA LM-79-08. IESNA LM-79-08 specifies the entire luminaire as the source resulting in a luminaire efficiency of 100%.. Reference www.cree.com/Lighting/Products/Indoor/Troffers/CR-Series for detailed photometric data Application Reference Based on CR22-32L-30K Luminaire 0 15 30 250 500 750 1000 1250 1500 90 75 60 45 0° 90° |
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