Labsphere’s (North Sutton, NH) new thermal/optical/electrical LED Measurement Systems (TOCS) enables measurement of optical properties as a function of temperature and operating current using a single instrument. The TOCS complies with IESNA LM-79 and LM-80 standards, delivering accurate and reproducible LED measurements. Available in a range of integrating sphere sizes from 20 to 76 inches, the TOCS systems are designed for both 2pi and 4pi measurement geometries. A lamp measurement integrating sphere, high resolution CCD array spectrometer, thermal plate with temperature controller, auxiliary lamp, calibration source, power supply and Labsphere’s powerful TOCS-SS software comprise the basic system. Owners of current Labsphere and SphereOptics spectral lamp measurement systems may purchase an upgrade retrofit to the TOCS system to achieve LM-79 and LM-80 compliance. Photonics West Booth #4509
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