The GL Opti Sphere 205 offers an automated, easy to use alternative for measuring luminous flux and radiant power of LEDs and other small light sources. All measurements are compliant with the recommendation of the CIE Technical Committee published in the CIE 127:2007 Technical Report.
GL Opti Sphere 205 Usage
Simplified Luminous Flux
The Opti Sphere 205 was developed to simplify light measurement for single LED’s and small LED modules. Traditional systems are challenging to use, often sensitive to small physical changes and unintuitive software that make it difficult to obtain consistent results independent of the user. With peripheral integration, automated sequences are possible and make this issue a thing of the past.
Reliable Measurement of Light
Inner walls of the sphere are coated with barium sulfate (BaSO4) which ensures high reflectance properties up to 97%. All GL Optic spheres are universal and can be used with any GL Spectis series spectrometer with a corresponding adapter installed directly on the sphere or via an SMA fiber-optic cable.
GL Opti Sphere 205 Features
Precisely designed aperture
The port of the sphere is equipped with a precisely designed 50mm aperture which can be used in partial flux measurements of LEDs. For this application, the test LED is installed outside the sphere at a defined distance and the flux is measured inside the sphere.
Measurement of LEDs compliant with CIE 127:2007 and new CIE S 025/E:2015. This sphere also complies with other global standards and all American IES LM and European EN requirements for professional LED light measurement instrumentation.
Appropriate accessories are available for specific measurement purposes. The GL OPTI SPHERE 205 features an auxiliary light source to compensate the self-absorption effect of the test LED.
Automated Self-Absorbance Correction
The integrated LED auxiliary light source is fully controlled by the Spectrosoft software to enable quick corrections and deliver optimal results.
- Total Luminous Flux [ lm ]
- Radiant power [ W/nm ]
- Total Photon Flux
- PBAR and more.
- Correlated Color Temperature – CCT and Duv
- Color Rendering Indices – Ra, CRI, R1 to R14, TM-30
- Fidelity index Rf
- MacAdam Elypses.
- Color coordinates
- Luminous Efficacy [lm/w]
- Power Factor
GL Opti Sphere 205 Specifications
|Sphere inner diameter||205mm|
|Entrance aperture diameter||50mm|
|Outside dimensions||265mm x 270mm x 225mm|
|Spectral range||340-1700nm (determined by spectrometer)|
|Material (Sphere / Coating)||Aluminum / BaSO4|
|Auxiliary light source||White LED|