Optical Performance Optical System:Littow type, Single beam, Grating system 1200l/mm Spectral Slitwidth:4nm Wavelength Range:190-1000 nm Accuracy:±1 nm Repeatability:0.5 nm Stray Light :≤0.1%T@220&340nm	Photometric Performance Photometric Mode: Transmittance, Absorbance Concentration Photometric Range:0-125.0%T, 0-2.5A, 0-9999C Accuracy:±0.3％T Repeatability:0.2%T Drift:±0.002A/h
Main Functions Memory: more than 60 standard Curve 100%T:Auto 0%T:Auto Auto self-test wavelength, light source and filter Data Output: Analog RS-232C PC Controlled: Required Win-spec.2.33EN Software(Option) Applications Allowed establish standard curve with more that 20 Standards. Allowed save more than 60 standard curves	Win-spec 2.33EN(option): Abs/T%/Conc Measurement Standard curve Time scanning Specification Display: 2-line, 20 character backlighted LCD Sample Compartment:100mm light beam for test Power Requirement:85-264VAC，50-60Hz Built in 4 position Cell Holder:10mm Standard setup of Cells:10mmGlass cell 4 pcs Dimensions:475 ×420 ×180（mm） Net weight :8.5kg Gross weight:9.5kg