New Product: Labsphere’s Three Meter Lamp Measurement Sphere
Posted: Thursday, July 12, 2012 Location: North Sutton, New Hampshire, USA
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LabX Member since May 2007.
In business since 1979.
Labsphere is a strong worldwide presence in light testing and measurement, and optical coatings. The company's products include LED, laser and traditional light source light measurement systems; uniform light sources for imaging device calibration; spectroscopy accessories; and high diffuse reflectance materials and coatings for applications in backlit panel displays, computed radiography, and system calibration.
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Meets LM-79 and LM-80 standards for complete characterization of large light sources
With lighting technology advancing to include larger and more complex devices, Labsphere has introduced the LMS-3M three meter integrating sphere for complete optical characterization of these larger lamps and luminaries. The sphere complies with IESNA LM-79 and LM-80 standards to deliver accurate and reproducible measurements of any lamp, up to 2m linear lamps and 30cm luminaries.
The three meter lamp measurement integrating sphere accommodates light sources positioned base up, base down, or longitudinally, to easily and efficiently measure virtually any lamp type, including fluorescents up to 2m in length. The design also allows for forward and partial flux measurements of test sources that are board mounted or heat-sinked.
The larger sphere better integrates light for more reliable testing of a device’s photometric and colorimetric performance with measurements of Total Spectral Flux, Luminous Flux, Correlated Color Temperature (CCT), Color Rendering Index (CRI), and Chromaticity. Measurement data relies only on the test device’s true power, not on the size, shape, or spectral distribution.
The near-Lambertian properties of the sphere’s Spectraflect® interior coating provide a uniform dispersion of light that integrates and reduces hotspots better than other available sphere coatings materials. Spectraflect exhibits reflectance values of 98% and is spectrally flat through the visible spectrum for higher optical efficiency on low lumen lamps.
The LMS-3M is designed to measure a variety of lamps and luminaires on the same system with little adjustment. The standard sphere geometry accommodates 4pi measurement, and with optional aperture reducers, can easily be configured for 2pi measurement. Baffled intake and output ports and an ambient air temperature controller maintain and monitor the temperature inside the measurement environment, complying with Energy Star requirements. The new sphere size fully integrates with all Labsphere photometric and spectroradiometric systems and software so current system users may upgrade easily.
The LMS-3M can be customized with the software and accessories to fit testing needs.