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Category: Photometry

Unified Glare Rating (UGR)

You may have heard a lot of talk about glare in the past several months. One of the main reasons for this is that lighting products with higher energy efficiency often have a higher potential for glare. For example, one of the most common ways to reduce glare is to reduce high-angle light produced by…

DLC V5.0 and V5.1 Testing Done Right

New changes are coming to the DLC requirements in the form of new specification V5.0 and V5.1. What testing will you need to comply with these requirements? New changes are coming to the DLC requirements in the form of new specification V5.0 and V5.1. What testing will you need to comply with these requirements?

SPDX Files Are Here!

LightLab International Allentown, LLC will now include TM-30 SPDX files with every integrating sphere test report that is ordered. Read on to find out how to use SPDX files.

LM-79-19…… What’s New?

It’s hard to believe that it’s been more than 11 years since the original IES LM-79-08 was introduced to the lighting industry.The optical measurements have, for the most part, remained the same but some of the technological changes have necessitated changes in the way that solid state lighting products are operated in the test laboratory.

New Indoor Test Report Format

LightLab International Allentown, LLC is proud to announce the release of a new, easy to read indoor test report format.