Light Measurement Instruments

With over 50 years of experience in developing light measurement instruments, Gamma Scientific is trusted by the world’s leading organizations to provide accurate results.

Based in San Diego, Gamma Scientific manufactures laboratory grade spectroradiometers, spectrometers, spectrophotometers and integrating spheres.

Gamma Scientific also operates an ISO 17025, NVLAP accredited laboratory performing ENERGY STAR, LM-79 and LM-80 tests for LEDs.

Gamma Scientific systems are designed to handle 24 hour operation on the production floor and feature near real-time measurement and powerful analysis software.

Custom configurations are available to meet your unique testing requirements.

Light Measurement Instruments from Gamma Scientific

  • Spectroradiometers: As the inventors of the first high-performance, computer-controlled LED spectroradiometers, Gamma Scientific has continued to set the standard in spectroradiometer accuracy and reliability. RadOMA spectroradiometers are trusted by the world’s leading organizations to provide accurate measurements.
  • Spectrometers: RadOMA 1190 Spectrometers have been designed to provide maximum performance at an affordable price for industrial grade LED testing applications.
  • Integrating Spheres: With over 40 years of experience in designing integrating spheres, Gamma Scientific has the expertise to build custom integrating spheres and sphere systems to meet your testing requirements.
  • Spectrophotometers: Gamma Scientific handheld spectrophotometers are designed for lighting installers, designers and engineers who require accurate, low cost spectral measurements.
  • Thin Film Measurement Systems: Industry leading technology that allows manufacturers to perform single sided inspection on the first surface of any glass or polished, transmissive element while excluding the second surface.
  • Calibration Light Sources: Gamma Scientific manufacturers a full range of calibration light sources that are traceable to NIST. LED light sources offer linear programmable drive circuitry and active optical feedback.
  • Goniophotometers: Gamma Scientific’s 940 LED-1250 Goniophotometer is designed to analyze angle dependent spatial radiation properties of LED luminaires, lamps and modules.
  • Reflectometers: Complete your inspections faster, and achieve higher standards of quality with accurate, repeatable reflectometer systems from Gamma Scientific. Using non-destructive testing, you can measure complete spectral and colorimetric properties on substrates as thin as 0.5 mm, with a scan time of less than 0.2 seconds.
  • LED Testers and Sorters: As the inventors of the first high-performance, computer-controlled LED spectroradiometers, Gamma Scientific has continued to set the standard in LED spectroradiometer performance.

Optical Test and Measurement Systems from UDT Instruments

  • Optometers: UDT Instruments, a division of Gamma Scientific, offers an extensive selection of photometers, radiometers, lux meters, luminance meters and illuminance meters for photometric and radiometric testing applications.
  • Colorimeters: The SLS-9400 Tri-Stimulus Colorimeter is the first handheld colorimeter to provide laboratory grade accuracy and precision at an affordable price.
  • Photodetectors: UDT Instruments designs the most accurate photometric filters in the world, with an unsurpassed ability to match the human eye’s sensitivity to color and light intensity.
  • Electronic Autocollimators: Compact optical instruments designed for measuring the angular position of reference surfaces. They are used wherever flatness, angle, or parallelism must be measured very accurately.
  • Position Sensing Instruments: Our extensive selection of optical position sensors, position amplifiers/indicators and accessories allows our applications engineers to assemble and configure a tremendous variety of position-sensing systems.