Use this fixture in a lighting design

Open in CircadianLab to place this fixture in a room and calculate melanopic lux (EML), illuminance, UGR glare, and WELL v2 compliance — with radiosity simulation and real IES photometry. Free, no signup.

Open in CircadianLab
Mark Architectural(Acuity Brands)•Generic Profile•3 variants

Mark Architectural WHISPER LED LUMINOUS CENTER 2X2 4800LM 4000K 90CRI W/ SOFT-WHITE CENTER LENS

WHSPR LCTR 2X2 4800LM 40K 90CRI SWC

Select Variant

CRI 80
CRI 90
Lumens
4,072lm
Peak Candela
1,550cd
CCT
4,000K
Beam Angle
105°

Polar Plot (2D)

Loading photometric data…

Goniometer (3D)

Loading photometric data…

Beam Analysis

Loading photometric data…

Photometric Specifications

Total Luminous Flux4,072 lm
Peak Intensity1,550 cd
Correlated Color Temperature4,000 K
Color Rendering Index90
Beam Angle (50% peak)105°
Symmetryfull
CatalogWHSPR LCTR 2X2 4800LM 40K 90CRI SWC
Open in CircadianLabDownload from SourceIES file via ieslibrary.com

About this Photometric File

This page presents the IES photometric distribution for the WHISPER LED LUMINOUS CENTER 2X2 4800LM 4000K 90CRI W/ SOFT-WHITE CENTER LENS from Mark Architectural, a Acuity Brands brand. This product line is published as 3 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 WHISPER LED LUMINOUS CENTER 2X2 4800LM 4000K 90CRI W/ SOFT-WHITE CENTER LENS or any other Mark Architectural 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 (Acuity Brands) directly.

← Browse the full IES fixture library in CircadianLab