Unico Unico Model 1100 Spectrophotometer 20nm Bandpass Complete With 10 mm Test Tube Cuvettes (Box Of 12), 10mm Square Cuvette Adapter,Usb Port , Dust Cover, User Manual Wavelength Range Of 335-1000 nm. Voltage Preset At 220V S-1100E

S1100 Series is a 20nm model and is designed for use with 1/2" round tubes or 10mm square cuvets. Optional tube holders are also available for COD, 3/4" and 1" round tubes. An adapter is supplied at no additional charge for 10mm square cuvets. High quality silicon photodiode detector and 1200 lines/mm grating assures high performance. One-touch blanking and built-in, automatic filters for easy operation. Large digital display allows quick and easy readings. Optional Windows® XP/7 software for easy data collection and application expansion to Standard Curve and Kinetics, Abs. and %T. Data can be easily exported to Microsoft Excel® for further processing and analysis. Model S1100 measures Absorbance, Transmittance; standard includes a USB data port. Each Series 1100 Spectrophotometer comes complete with a manual, 12 round optical glass cuvets, a square cuvet adapter, and dust cover.