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Compact integrating sphere system

The GL OPTI SPHERE 500 was created especially for expanding lighting firms operating in the rapidly expanding LED retrofit market, who require a dependable and fast way to test and measure LED modules and medium-sized lights. It is a great option for any manufacturer of LED luminaires who wants to describe the caliber of their product. Instantaneous measurements of luminous flux, color temperature, luminous efficacy, and many other significant light parameters are produced by this 50-cm integrating sphere.

The GL OPTI SPHERE 500 is the ideal countertop instrument because of its compact size, which allows it to provide laboratory precision without requiring a specialized lab or highly qualified personnel. This calibrated system satisfies both American and European requirements for professional LED light measurement instrumentation, as well as CIE global standards. Make an easy-to-use, high-performing sphere spectroradiometer configuration by selecting one of our spectrometer options.

Install and measure

This sphere comes pre-installed with the most widely used lamp holders. The standard lamp post, positioned in the sphere’s center, facilitates expert light measurements and product installation. A mechanical breadboard is an optional feature that makes it simple to install various LED lighting fixtures or tiny luminaires.

Accelerate product development

This device is simple to install in a typical office setting, enabling engineers and R&D departments to measure lighting components on-site with speed and accuracy. Long lead times result from sending components and bulbs for laboratory testing, which eventually slows down the development cycle. They can now observe results right away upon the delivery of fresh LEDs or the fabrication of a new board.

Not just for the laboratory

This adaptable sphere system may be quickly and easily customized to fit the demands of individual clients. It can be used as a rapid production control unit or production tester to help measure lights, luminaires, and modules while they are being built. This is used by larger distribution organizations to test purchased products for quality compliance before releasing them into the market.


Your tabletop laboratory

The market for LED retrofit lamps is growing quickly, and testing and measuring small- to medium-sized LED items needs to be done quickly and accurately. This necessity led to the creation of the GL OPTI SPHERE 500 integrating sphere, which provides comprehensive optical assessment of LED retrofit or replacement lights with common sockets like E27, E14, GU10, and others. As we implemented the solution, it became clear that this small benchtop device is suitable for both R&D departments and lighting laboratories for fast component, prototype, and final product evaluation.

Professional light measurement now has an easier access point thanks to the GL OPTI SPHERE 500. It is not necessary to have a large, dark lab or a dedicated metrologist. In no time, set up the system and begin to comprehend your lamps. Even with limited test knowledge, the setup and operation guarantee that the engineering staff produces the correct findings. The fact that you can simply open the sphere, place the lamp inside, and measure is appreciated by our customers. This sphere has all the parts and accessories you require, and the GL SPECTROSOFT software interface will assist you in doing the task correctly.

LED modules, strips, lamps and more

Do you need to measure a lot of different things but lack the funds or room for a big sphere? A great way to get started in the laboratory testing and measuring LED modules, lamps, and other components used in lamp manufacture is using the GL OPTI SPHERE 500. Any of our spectrometers can be used in conjunction with this integrating sphere to provide precise color and flux testing. You may now regulate the impact of new electronic drivers, inspect diffusers and components, and generate reports often and instantly. Obtain photometric data for your prototypes, confirm the LEDs and other parts supplied by your suppliers, and take control of your light quality!

GL OPTI SPHERE 500 Features

Reliable measurement of light

When ordered with the measuring device, all GL Optic spheres are provided with a spectrally calibrated product. Our spheres are compatible with all GL optical spectrometers, making them universally useful. Barium sulfate (BaSO4) on the interior walls of the sphere ensures high reflectance qualities of up to 97%.

CIE compliant

LED measurement in accordance with CIE 127:2007 and the recently released CIE S 025/E:2015. This sphere also meets all American IES LM and European EN specifications for professional LED light measurement equipment, in addition to other international standards.


and 4π measurements of small lamps and modules, use the standard GL OPTI SPHERE 500 system with universal lamp posts and an optional mechanical breadboard. Additionally, every sphere has a side port for precise measurement of 2π sources.
On demand, extra adapters, temperature control mounts, or specialty holders are also offered. Kindly get in touch with us to discuss your needs.

Automated self-absorbance correction

The GL SPECTROSOFT software fully controls the integrated LED auxiliary light source to provide prompt corrections and the best outcomes.

GL OPTI SPHERE 500 Metrics

Integrated Quantities

  • Total Luminous Flux [ lm ]
  • Radiant power [ W/nm ]
  • Total Photon Flux
  • PBAR and more.

Colorimetric Quantities

  • Correlated Color Temperature: CCT and Duv
  • Color Rendering Indices: Ra, CRI, R1 to R14, TM-30
  • Fidelity index (Rf)
  • MacAdam Elypses.
  • Binning
  • Color coordinates

Optional Quantities*

  • Luminous Efficacy [lm/w]
  • Power Factor
  • Temperature Tp T amb etc

GL Optic ontwikkelt en produceert betrouwbare, nauwkeurige en intuïtief te bedienen spectrometers, en lichtmeetinstrumenten met oplossingen voor het meten van LUX, lumen, CRI, CCT, COLOR en luminanti...


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