{"id":4159,"date":"2025-12-09T11:43:02","date_gmt":"2025-12-09T11:43:02","guid":{"rendered":"https:\/\/asselum.com\/ulbricht-integrating-sphere\/"},"modified":"2026-03-27T13:07:46","modified_gmt":"2026-03-27T13:07:46","slug":"ulbricht-integrating-sphere","status":"publish","type":"page","link":"https:\/\/asselum.com\/en\/laboratory-instruments\/ulbricht-integrating-sphere\/","title":{"rendered":"ULBRICHT Integrating Sphere"},"content":{"rendered":"

MK350N PREMIUM Spectroradiometer<\/h1><\/div><\/div><\/div>
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More information<\/span><\/a><\/div>
Technical datasheet<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div>

The integrating sphere is a spherical device with a reflective inner coating, which allows the measurement of luminous flux and color performance when a light source is inserted.<\/p>\n

It is a system for measuring: luminous flux (lm), radiant power (W), efficiency (lm\/W), spectral power distribution P(\u03bb), chromaticity coordinates, correlated color temperature (CCT), color rendering index (Ra), SDCM, dominant wavelength, as well as electrical parameters such as voltage, current, power, power factor, etc. The device is designed to measure luminaires, lamps, LED PCBs, LED modules, and more.<\/p>\n<\/div><\/div><\/div>

Everfine integrating spheres are specifically designed to perform the most precise spectral, colorimetric, and photometric (luminous flux) tests on any light source: luminaires, lamps, and LED sources.<\/p>\n

Est\u00e1n fabricadas en acero laminado en fr\u00edo y entre sus propiedades de revestimiento destacamos el recubrimiento de re\ufb02ectancia difusa, que parece casi lambertiano (perfectamente difuso) y el Recubrimiento interno SpektronTM R98, una tecnolog\u00eda exclusiva. Tambi\u00e9n dispone de propiedades no t\u00f3xicas, duraderas y \u00f3pticamente estables en el tiempo; adem\u00e1s de estar equipadas con una plataforma elevadora en la parte inferior de la esfera.<\/p>\n<\/div>

Features of the ULBRICHT Integrating Sphere<\/h2><\/div>
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<\/i><\/i><\/span>Size<\/span><\/a><\/h5><\/div>
\u03a60.15\u202fm, \u03a60.3\u202fm, \u03a60.5\u202fm, \u03a61.0\u202fm, \u03a61.5\u202fm, \u03a61.75\u202fm, \u03a62.0\u202fm, \u03a62.5\u202fm, \u03a63.0\u202fm, or custom sizes.<\/div><\/div><\/div>
<\/i><\/i><\/span>Thermostatic Methods<\/span><\/a><\/h5><\/div>
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Environment: Automatic constant temperature<\/p>\n<\/div><\/div><\/div>

<\/i><\/i><\/span>Coating Properties<\/span><\/a><\/h5><\/div>
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Coating: Spektron\u2122 coating with diffuse reflectance, nearly Lambertian (perfectly diffuse), non-toxic, durable, and optically stable over time.<\/p>\n<\/div><\/div><\/div>

<\/i><\/i><\/span>Coating Reflectivity<\/span><\/a><\/h5><\/div>
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Coatings: R97 coating, R80 coating, UV coating<\/p>\n<\/div><\/div><\/div>

<\/i><\/i><\/span>Cosine Correction<\/span><\/a><\/h5><\/div>
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The luminance of a flat surface is proportional to the cosine of the angle of incidence of the light.<\/p>\n<\/div><\/div><\/div>

<\/i><\/i><\/span>Geometry<\/span><\/a><\/h5><\/div>
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4\u03c0 (lamp mounted at the center)<\/p>\n

2\u03c0 (lamp mounted on the side, top, or bottom)<\/p>\n<\/div><\/div><\/div>

<\/i><\/i><\/span>LED and SSL Source Characterization According to IES LM-79<\/span><\/a><\/h5><\/div>
Complies with IES LM-79 standards regarding electrical and photometric measurements of solid-state lighting (SSL) products.<\/div><\/div><\/div><\/div><\/div><\/div><\/div>

Characteristics:<\/h2><\/div>
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    Internal coating Spektron\u2122 R98 (exclusive technology) \u03c1(\u03bb) = 94%\u201397% (380\u202fnm ~ 500\u202fnm), \u03c1(\u03bb) = 96%\u201398% (500\u202fnm ~ 1500\u202fnm). Fully complies with EN 13032-4 and IES LM-79 standards.<\/div><\/li>
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    The integrating sphere is capable of performing 4\u03c0 and 2\u03c0 geometry measurements. In the 2\u03c0 setup, the side opening is \u03a6500 mm.<\/div><\/li>
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    Custom size: \u03a60.15\u202fm, \u03a60.3\u202fm, \u03a60.5\u202fm, \u03a61.0\u202fm, \u03a61.5\u202fm, \u03a61.75\u202fm, \u03a62.0\u202fm.<\/div><\/li>
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    It has an auxiliary lamp to calculate the self-absorption value due to the size difference between the sample and the reference standard.<\/div><\/li>
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    It is equipped with a calibrated reference light source as Illuminant A (2856\u202fK) with an ISO 17025 accredited calibration certificate.<\/div><\/li>
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    Measurement Range: 0.01\u2013200,000\u202flm (equipped with the appropriate integrating sphere)<\/div><\/li><\/ul><\/div><\/div>
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      Wavelength Range: 350\u202fnm\u20131000\u202fnm (other wavelength ranges available).<\/div><\/li>
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      Wavelength Accuracy: \u00b10.3\u202fnm<\/div><\/li>
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      Resolution (bandwidth step): 2.5\u202fnm<\/div><\/li>
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      Photometric Accuracy: 1%<\/div><\/li>
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      DC Power Supply with Accuracy: \u00b1(0.02% of reading + 0.01% of range)<\/div><\/li>
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      Power Analysis with Accuracy for V, A, P, and PF: \u00b1(0.4% of reading + 0.1% of range) (Optional. Different capabilities are available in the electrical meter, including AC and DC measurement, harmonic measurement, etc.).<\/div><\/li><\/ul><\/div><\/div>
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      We handle the installation and training in your laboratory.<\/h2><\/div>
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      At Asselum Luminot\u00e8cnics S.L, we offer the installation of integrating spheres in your laboratory. The installation includes quality control and assembly of the entire testing system. Calibration and commissioning of the sphere are also included, accompanied by a calibration certificate dated on the day of installation.<\/p>\n

      In addition to the above, we also offer your laboratory a customized course on photometric testing, sample management, and test result analysis. We provide detailed recommendations and tips for performing tests in the daily operations of your company. You will learn everything about managing color and luminous flux tests using Photoview Plus and Bacher tools.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>

      Do you have any doubts?
      \nContact us at<\/h1><\/div>