Double Aperture Photometric Accuracy Kit

The double aperture photometric accuracy kit, a plate with two separate holes that can be separately covered or uncovered, produces two independent light fluxes onto the detector from the instrument's sample beam. Designed for use with Cary 4000, 5000, 6000i, and 7000 spectrophotometers, the kit determines photometric accuracy without limits on temperature, wavelength, or spectral bandwidth (SBW).