Check the listing for details. Touch Screen Double Beam B/W 1nm Spectrophotometer. Condition: New. Listed at 4786.99 USD. Features:● 10.1 inches high resolution TFT colored capacitive touch screen and windows graphic interface.● Powerful functions like Photometric measurement, Quantitative measurement, Kinetics, Spectrum scan, DNA\Protein test, multi-wavelength test, etc● In-house massive memory is capable of saving up to 1024M for test data & working curves.● Supports USB storage. The USB port can be used for data transfer, which is easily exported to Excel for further processing, analysis and storage.● Socket type deuterium and tungsten lamp can make lamps switching without optics debugging and easy to be replaced.● Large sample chamber can accommodate 5-100mm cuvettes of all kinds.● Extensive accessories are optional, such as auto 8-cell holder, film holder, integrating sphere, peltier/sipper system, 21 CFR compliant software, built-in thermal printer, etc.Specifications:Optical SystemDouble Beam,Grating 1200 lines/mmWavelength Range190-1100 nmSpectral Bandwidth1nmWavelength Accuracy+0.1nm@656.1nm,±0.3nm@allWavelength Repeatability