Optical Performance Optical System:Littow type, Single beam, Grating system 1200l/mm Spectral Slitwidth:5nm Wavelength Range:325-1000 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:±0.5％T Repeatability:0.3%T Drift:±0.003A/h
Main Functions 100%T:Auto 0%T:Auto Accepted optional Accessories Data Output: Analog, RS-232C PC Controlled: Required Win-spec 1.33EN Software(Option) Win-spec 1.33EN(option): Abs/T%/Conc Measurement Standard curve Time scanning	Specification Display:3.5LCD Sample Compartment:100mmLight 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 Requirememt:85-264VAC，50-60Hz Dimensions:475 ×315 ×155（mm） Net weight :8kg Gross weight:10kg