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Spectrumlab 22 Visible Spectrophotometer**Unit has been tested as far as we could. This unit has cosmetic broken corner on left side (Does not affect functionality). See photos for further details.Whole aluminum metal alloy die-castings. Pre-aligned halogen-tungsten lamp, offer ease of use and simple maintenance. Built in SCM technology, auto 0%, auto 100%,error-free T/A transformation. Transmittance test, absorbance test, concentration factor setting and concentration direct readout functions. Analysis with data processing software. Spacious sample compartment, 4 position cuvette rack, adaptable for 1-5cm optical path rectangular cuvettes.SpecificationsWavelength Range: 340-1000nmWavelength Accuracy: 2nmWavelength Reproducibility: =1nmSpectral Bandwidth: 6nmPhotometric Accuracy 0.5%(t)Photometric Reproducibility 0.3%(t)Stray Light: <0.5%(t) /<0.2%(t) (S22PC)Display Mode: 4digit(LED)Lamp: Halogen-Tungsten LampOptical System: C-T configuration diffraction grating monochromatorScaleTRANS: 0-199.9%/ABS: -0.3-2.999 /FACT: 1-9999/CONC: 0-9999Additional Prep Fees May Apply