Optical Performance Optical System:Littow type, Single beam, Grating system 1200l/mm Spectral Slitwidth:6nm Wavelength Range:340-1000 nm Accuracy:±2 nm Repeatability:1 nm Stray Light:≤0.5%T@340nm	Photometric Performance Photometric Mode: Transmittance, Absorbance, Concentration Photometric Range:0-125.0%T, 0-1.999A, 0-1999C Accuracy:±1％T Repeatability:0.5% Drift:±0.004A/h
Main Functions 100%T:Auto 0%T:Auto	Specification Display:3.5 LCD Sample Compartment:50mm light beam for test Built in 4 position Cell Holder:5-50mm Standard setup of Cells:5、10、20、30、50mm Glass cell 4pcs Each Power Requirement:85-264VAC，50-60Hz Dimensions:415×315×155（mm） Net weight :7kg Gross weight:9kg