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Mark Architectural Lighting(Acuity Brands)Troffer8 variants

Mark Architectural Lighting Troffer / WHSPR Troffer — WHSPR_1x4_4800LM_30K_80CRI_SWC

WHSPR 1x4 4800LM 40K 80CRI SWC

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CRI 80
CRI 90
Lumens
5,000lm
Peak Candela
1,985cd
Power
48W
CCT
4,000K
Beam Angle
49°

Polar Plot (2D)

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Goniometer (3D)

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Beam Analysis

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Photometric Specifications

Total Luminous Flux5,000 lm
Peak Intensity1,985 cd
Input Power48 W
Correlated Color Temperature4,000 K
Color Rendering Index80
Beam Angle (50% peak)49°
Symmetryfull
Lamp / SourceLED
CatalogWHSPR 1x4 4800LM 40K 80CRI SWC
Open in CircadianLabDownload IES FileIES file via cooperlighting.com

About this Photometric File

This page presents the IES photometric distribution for the Troffer / WHSPR Troffer — WHSPR_1x4_4800LM_30K_80CRI_SWC from Mark Architectural Lighting, a Acuity Brands brand. This product line is published as 8 variants — typically different CCT and CRI combinations of the same luminaire optic. Use the variant selector above to switch between them.

You can use this fixture in CircadianLab to design lighting layouts and calculate melanopic equivalent lux (EML), illuminance in lux or foot-candles, and UGR glare ratings — all in your browser, free, with no signup required.

Note on photometric plots: All plots on this page treat the luminaire as a point source emitting from its photometric center, which is the standard convention for IES LM-63 data.

Disclaimer: Innerscene does not manufacture, sell, or distribute the Troffer / WHSPR Troffer — WHSPR_1x4_4800LM_30K_80CRI_SWC or any other Mark Architectural Lighting products. This page is provided for informational and lighting-design purposes only, using publicly available photometric data. For product inquiries, pricing, or availability, please contact Mark Architectural Lighting (Acuity Brands) directly.

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