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Mark Architectural Lighting(Acuity Brands)Troffer8 variants

Mark Architectural Lighting Troffer / WHSPR Troffer — WHSPR_2x4_6000LM_30K_80CRI_YBC

WHSPR 2x4 6000LM 40K 80CRI YBC

Select Variant

CRI 80
CRI 90
Lumens
6,180lm
Peak Candela
2,458cd
Power
53W
CCT
4,000K
Beam Angle
52°

Polar Plot (2D)

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Goniometer (3D)

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Beam Analysis

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Photometric Specifications

Total Luminous Flux6,180 lm
Peak Intensity2,458 cd
Input Power53 W
Correlated Color Temperature4,000 K
Color Rendering Index80
Beam Angle (50% peak)52°
Symmetryfull
Lamp / SourceLED
CatalogWHSPR 2x4 6000LM 40K 80CRI YBC
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_2x4_6000LM_30K_80CRI_YBC 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_2x4_6000LM_30K_80CRI_YBC 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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