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Double Aperture Photometric Accuracy Kit - Automated

Double Aperture Photometric Accuracy Kit - Automated

For Cary 100, 300, 4000, 5000, and 6000i
Determine photometric accuracy without limits on temperature, wavelength, or spectral band width (SBW). Controlled by the Cary WinUV Validation software, this aperture control kit avoids the repetitiveness of manually rotating the aperture mask.

The Double Aperture method sidesteps the shortcomings of the traditional means for determining photometric accuracy that requires solutions of high purity compounds or measuring the absorbance of neutral density filters issued by a national standards organization. Both methods are limited because accuracy needs to be determined at a specific temperature and wavelength, and neutral density filters require a specific SBW.

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