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)•Linear/Strip•9 variants

Mark Architectural Lighting Linear / Markline 101 — MKS101_U4_80CRI_27K_700LMF_15X30DEG

MKS101 U4 80CRI 40K 700LMF 15X30DEG

Select Variant

CRI 80
CRI 90
Lumens
3,612lm
Peak Candela
13,532cd
Power
37W
CCT
4,000K
Beam Angle
15°

Polar Plot (2D)

Loading photometric data…

Goniometer (3D)

Loading photometric data…

Beam Analysis

Loading photometric data…

Photometric Specifications

Total Luminous Flux3,612 lm
Peak Intensity13,532 cd
Input Power37 W
Correlated Color Temperature4,000 K
Color Rendering Index80
Beam Angle (50% peak)15°
Symmetryquarter
CatalogMKS101 U4 80CRI 40K 700LMF 15X30DEG
Open in CircadianLabDownload IES FileIES file via cooperlighting.com

About this Photometric File

This page presents the IES photometric distribution for the Linear / Markline 101 — MKS101_U4_80CRI_27K_700LMF_15X30DEG from Mark Architectural Lighting, a Acuity Brands brand. This product line is published as 9 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 Linear / Markline 101 — MKS101_U4_80CRI_27K_700LMF_15X30DEG 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