LED Classroom Lighting


Shanghai Sansi Electronic Engineering Co Ltd

Verify ID:


Expiration date:

October 26, 2020 - October 25, 2021

Verification Mark

Applicable To:

CJSA300 36W

Marketing Claim Verified by UL

Corrected Unified Glare Rating (UGR) for classroom lighting less than 14

Verification Method

In accordance with Section 10.0 of IESNA LM-79, IES Approved Method For The Electrical And Photometric Measurements Of Solid-State Lighting Products, the light intensity distribution was measured. The theoretical Corrected Unified Glare Rating (UGR) was then calculated according to CIE 190:2010, Calculation and Presentation of United Glare Rating Tables for Indoor Lighting Luminaires. Room dimension: X = 4.35H, Y = 3.5H; Spacing to height ratio (S/H) = 1.42 (endwise) & 1.36 (crosswise); Reflectance (Ceiling/Wall/Floor) = 70%/50%/20%; Where, H= 2m

About the Company

SANSI Technology: A Global Leader in LED Displays and Lighting Since its founding in 1993, SANSI has been dedicated to technological innovation in a wide range of LED applications, from commercial displays to home lighting. We fully integrate product design, production, sales, installation, and customer support in our effort to provide affordable, state-of-the-art LED technology. With over 480 in-house engineers, 2000 employees, and three advanced factories, SANSI has reached over 40 nations on five continents, and continues to grow. Having successfully launched dozens of cutting-edge projects, SANSI’s mission is to raise the bar for LED applications.

What is UL Verification?

UL Verification is an objective, science-based assessment that confirms the accuracy of marketing claims. Our independent assessment process scrutinizes the validity of specific advertising or promotional statements, giving you a way to separate verified fact from fiction.