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Follow on Google News | Modular Design Led & Photodetector Goniometer BenchGoniophotometer for use with BTS256-LED tester for spatial distribution measurement of LEDs and LED luminaires.
By: Gigahertz-Optik The two axis drive goniometer contains a two meter long rail-bench for adjustable measurement distances between test LED and measurement device. An assembly table with threaded hole-pattern is provided for universal mounting of test LEDs. The table and electrical contacts are designed and located as to prevent lead damage due to twisting. Low and high resolution drives are used for the z-axis DUT adjustment. The S-BTS256-LED software supplied with the goniometer drive supports full remote control operation of the measurement instrument and goniometer bench. Additional features of the software are: • Symmetrical or individual measurement sequences • Numerical and graphical data documentation • Data transfer into Excel format • Data transfer into IES and EULUMDAT format • Effective luminous flux calculation • Polar coordinate diagram The GBE-LTE light tight enclosure can be added for measurements outside the darkroom. Due to its modular design concept the goniometric bench can be configured to measure light detector angular responsivity as well. Here the test detector is mounted onto the goniometric drive test sample table and is illuminated by a NIM-RS series reference light source. A Nikon type bayonet mount is used for tool-less exchange of the NIMS-RS source with a NIM-D light detector and NIM-AS alignment tool. Different type LED reference sources are available including white, color or a monochromatic infrared LED, like at 840nm or 940nm. A built-in reference detector ensures stable long term operation. Rack mounted electronics include 4-channel optometer for reference and test detector read-out, LED reference source power supply and test detector power supply with high resolution bias voltage setting feature. The BTS256-LED Spectrolightmeter itself not only provides luminous intensity data over a wide dynamic range but also measures spectral distribution, peak wavelength, dominant wavelength, color coordinates, color temperature and color rendering index. Also when only spatial intensity distribution information is required, the GB goniometer bench can be used with a Gigahertz-Optik hand-held optometer and photodetector configured for illuminance, luminance, luminous intensity and/or radiometric equivalent detector. # # # Gigahertz-Optik manufactures innovative UV-Vis-NIR light, color and spectral measurement instrumentation for specification critical industrial, medical and research applications. A complete instrumentation line of standard catalog, private label options and custom design solutions are stocked for analysis of all types of traditional light and LED type sources. Our optical radiation calibration laboratory is ISO/IEC 17025 accredited to ensure the highest industry level traceable calibration. Whether you are looking for a simple mobile light meter, an OEM supplier or a fully customized system, we can help you while staying within budget. End
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