About ILT Light Measurement Systems

A Leader in Light Measurement


International Light Technologies (ILT) has been a leader in developing light measurement systems for over 50 years. Since we introduced the first light meter in 1965, our team of mechanical, electrical and optical engineers -- lead today by director Jill Fowler -- has delivered the most accurate light measurement devices available. Starting in 2015 an entire new suite of upgraded products, with new features, capabilities and design, has been released.   These products incorporate the latest technology including touch screen displays, internal data storage, rechargeable batteries, Wi-Fi compatibility, user friendly software apps and more, to meet the broadest range of light measurement applications.


We offer an array of light measurement products including light meters, radiometers, spectrophotometers, and spectroradiometers, in addition to supporting accessories including, detectors, filters, input optics, integrating spheres and calibrations. We engineer our products to withstand the many harsh applications required from underwater applications to direct exposure to high levels of UV, to last years of use.


Looking for a customized solution?  Our technical staff works directly with our customers, both in large and small volumes, to offer customized light measurement solutions, often designed from off-the-shelf components, for rapid product design and delivery. Most ILT products are available in OEM and private label, with both custom and standard configurations.


ILT's Calibration Lab offers both NIST traceable and ISO17025 accredited calibrations. All ILT products are manufactured using the guidelines, practices and procedures that conform to ISO9001. (ISO9001:2015 pending for 2017).


ILT knows that measurement is a critical step in validating any process where light is used – from medical, to industrial, to scientific to manufacturing applications and more. If delivered in the wrong dose, e.g., too much or too little, the entire process can be rendered ineffective. Depending upon the process, this breakdown can have dire consequences including product failures, personal injury and/or increased production costs. Our sales team is trained to help customers select the right equipment to meet their measurement and monitoring needs and ensure accurate light levels are confirmed.


We invite you to browse our section of the website to learn more about our products. If you’d like more information, or would like to speak with us about a custom or OEM solution, please contact us today. We look forward to serving you.