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 Lighting(Acuity Brands)•Troffer•6 variants

Mark Architectural Lighting Troffer / ChiselRecessed Luminaire 1x2 — CHSL_1x2_80CRI_30K_2000LM_MNML_1SD

CHSL 1x2 80CRI 40K 2000LM MNML 1SD

Select Variant

CRI 80
CRI 90
Lumens
1,976lm
Peak Candela
651cd
Power
19W
CCT
4,000K
Beam Angle
78°

Polar Plot (2D)

Loading photometric data…

Goniometer (3D)

Loading photometric data…

Beam Analysis

Loading photometric data…

Photometric Specifications

Total Luminous Flux1,976 lm
Peak Intensity651 cd
Input Power19 W
Correlated Color Temperature4,000 K
Color Rendering Index80
Beam Angle (50% peak)78°
Symmetryfull
CatalogCHSL 1x2 80CRI 40K 2000LM MNML 1SD
Open in CircadianLabDownload IES FileIES file via cooperlighting.com

About this Photometric File

This page presents the IES photometric distribution for the Troffer / ChiselRecessed Luminaire 1x2 — CHSL_1x2_80CRI_30K_2000LM_MNML_1SD from Mark Architectural Lighting, a Acuity Brands brand. This product line is published as 6 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 / ChiselRecessed Luminaire 1x2 — CHSL_1x2_80CRI_30K_2000LM_MNML_1SD 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.

← Browse the full IES fixture library in CircadianLab