To Stand-alone models , all software are methods are included as built-in standard, thus eliminating the need for software are options.
Oneline software are upgrade via internet helps to keep your software up-to date
Data download-to-PC software expands the data storage to unlimited
The stand-alone models with 5 inches screen

 Model                                                                         2800    S      
           
Wavelength Range                                           190-1100nm

Spectral Bandwidth                                   0.5,1.0,2.0,4.0 nm            

Optical System                             Double Beam , Grating 1200 lines/mm

Wavelength Accuracy                 ±0.3nm

Wavelength Repeatability          0.2nm

Scanning Speed                        Hi ，MED. ，LOW. ，MAX. 3000nm/min

Photometric Accuracy                ±0.3%T

Photometric Repeatability         0.15%T

Photometric Range                    0-200%T , -0.3 - 3A ，0-9999Conc.

Stray Light                                     0.05%T＠220 ，360nm 

Stability                                          ±0.001A/h ＠500nm

Display                                           5 inches LCD(320X240 dots)

Baseline Flatness                       ±0.001A(200-1000nm)

Sample Compartment      Accommodates 100mm path-length 
                                                   cuvette with optional holder

Light Source                         Halogen ＆ Deuterium lamp(pre-aligned)

Output                                   USB Port ＆ Parallel Port(printer)

Power Requirement           AC 220/50Hz or AC 110/60Hz

Dimensions(WXDXH)         560X430X200mm

Weight                                        28kg