2023 What is 1% Dimming?

JR Krauza, Coronet LED and Michael Hawkins, Stan Deutsch Associates

March 7, 2023

9:30am – 10:30am EST

Room Location: Gramercy

Credit: 1 LU / Elective

We’ve all seen it on cut sheets. 1% Dimming Driver. But what does that really mean? 1% light output? 1% energy usage? 1% Perceived light? The answer is simple. Yes. Well, and No. Join JR Krauza (Coronet) and Michael Hawkins (SDA) for a demonstration and discussion about the true meaning of 1% dimming and what it means for designers and manufacturers in the field.

Learning Objectives

  1. Explain the difference between perceived an measured light output as it relates to 1% dimming.
  2. Explain why designers and manufacturers think differently about 1% dimming.
  3. Predict the light output at 1% based on photometric data on a cut sheet.
  4. Verify if a fixture has a 1% or .1% driver based on a cut sheet and light meter readings.


JR Krauza
VP Product, Coronet LED

JR is a 23 year industry veteran. He spent 13 years as a Principle Designer at Focus Lighting taking home several Lumen and IES awards. He has spent the last 10 years working in Product Development bringing revolutionary fixtures to the design community.

Michael Hawkins
Specification Sales, Stan Deutsch Associates

With degrees in theatrical and architectural lighting Mike has been working with and thinking about light for decades. He worked in lighting design before moving to his true passion, the gear.
Mike now works as a sales rep in the NYC market.


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