View our selection of light meter operators manuals, product datasheets, application notes, light measurement online calculators, light measurement glossary, light sources FAQ, light measurement FAQ, and light meter software and drivers.


ILT Datasheets Datasheets
Information about our current products.
null ILT Instrument Manuals Manuals and Documentation
Guides to the function of our light measurement systems.
ILT Software
Download software to be used with our light measurement systems.
ILT Application Notes Application Notes
Information about the typical uses of some of our products.
FAQ Light Measurment FAQs (Light Measurement)
Frequently asked questions about light measurement.
FAQ Light Sources FAQs (Light Sources)
Frequently asked questions about light sources.
ILT Light Measurement Tutorial ILT Light Measurement Tutorial
Tutorial based on the popular ILT Light Measurement Handbook.
ILT Light Measurement Glossary Light Measurement Glossary
Definitions of terms used in light measurement.
ILT Light Caculators Light Calculators
Easy online tools for conversion between light measurement units.

ILT Lighting Division Partner Resources
Links to ALL LED Lighting Division Documents