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ILT2500 Light Measurement System

Product information "ILT2500 Light Measurement System"

The ILT2500 is a powerful, all-in-one light measurement solution designed for professionals who need precision, flexibility, and ease of use. Whether you're working in the lab, the field, or on the production floor, the ILT2500 delivers high-performance measurements for both steady-state and pulsed light sources. With its modular design, intuitive apps, and accredited calibration, it’s ideal for a wide range of photometric and radiometric tasks.


Key Features

  • Combines handheld portability with lab-grade measurement capabilities
  • Supports steady-state and pulsed light profiling (including flash and strobe)
  • NIST-traceable and ISO/IEC 17025:2017 accredited calibration
  • Multiple apps for specialized tasks: Meter, Flash, Beacon, Trend, and more
  • Compatible with a wide range of sensors, input optics, and integrating spheres
  • User-friendly interface with portrait and landscape display modes
  • Built-in data logging, graphing, and customizable alerts


Applications: UV and visible light source testing; LED and laser characterization; Xenon flash and strobe measurement (e.g., NFPA72 compliance); Environmental and workplace light monitoring; Research and laboratory photometry; Quality control in manufacturing and product development


Manufacturer "International Light Technologies"
For over fifty years International Light has been developing products and solutions that meet a broad range of needs and solve a variety of challenges. ILT combines technical lighting and light measurement expertise to provide products and services that shine. International Light Technologies was formed when Gilway Technical Lamp merged with International Light. Gilway and International Light have long and proud reputations for delivering exemplary customer service, on-time delivery, and technical expertise. Formed in 1969, Gilway Technical Lamp has provided customers with off-the-shelf and customized solutions for a full spectrum of light sources. Since 1965 International Light has been solving the inherent difficulties in light measurement through the design and manufacture of a wide range of light measuring instruments, including the most accurate light meters on the market. In 2024, ILT became a division of Labsphere, Inc., while retaining its name and brand. International Light Technologies offices, R&D efforts, certified state-of-the-art testing and calibration lab, warehousing and much of its manufacturing are located in Peabody Massachusetts, just 15 miles north of Boston. Countries of representation:  Denmark, Finland, Iceland, Italy, Norway, Sweden
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