Description: Optical System Single Beam, Light Source Tungsten lamp& Deuterium lamp, Spectral Bandwidth 4.0nmWavelength Range 200-1000nm, Wavelength Accuracy ±2nm,Wavelength Repeatability ≤1nm, Photometric Range -0.3-3.0A, 0-200%T, Photometric Accuracy ±0.003A@0.5A, ±0.006A@1.0A ±0.5%T@100%T, Photometric Repeatability ≤0.0015A@0.5A, ≤0.003A@1.0A,≤0.25%T@100%T, Stability≤0.002A/h @500nm, (after preheat 2 hours), Stray Light ≤0.2%T@220&360nm, Sample Compartment 4-position,10mm, pathlength cuvette, Display LCD Output , USB Port& Parallel Port (Printer), Power 110/220VAC, 50/60Hz,120W, Dimension (L×W×H) 90×360×210mm, Weight 14kg