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Unico S-1200 Series Visible Spectrophotometers - S-1200


The Unico S-1200 Series Visible Spectrophotometers are the best value in a precise, accurate 5 nm design. High quality silicon photodiode detector and 1200 lines/mm diffraction grating assures high performance. Large digital display and built-in, automatic filters for easy operation. They feature Absorbance, Transmittance, Factor and Concentration modes, also automatic zeroing and blanking with the touch of a single button.

  • Digital display of photometric result
  • Easy operation
  • Auto zero function
  • Flexible sample compartment
  • Solid state detector for entire wavelength range
  • Built-in filters to ease operation
  • CE approved

The S1200 series feature both USB and RS-232 ports for data transfer and you can select optional Windows® based 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. The software is designed for Windows® based PCs using Windows 2000, ME or XP.

Bulb changes are quick and easy when needed and require no tools or alignment. The large sample compartment can accept cuvettes up to 50mm path length and can accept a variety of optional accessories. The easy-to-use Unico S1200 is ideal for any standard spectrophotometer application, while staying within a conservative budget.

Model S1200 comes with a v-type round tube holder, a  single square cuvette holder, 12 round optical glass cuvettes, a set of two optical glass square cuvettes, operation manual and dust cover.

Model S1201 comes standard with a 4-cell (four position) 10mm square cuvette changer, set of two optical glass square cuvettes manual and dust cover.

Part Number: S-1200
Attribute nameAttribute value


Spectral Bandwidth :5 nm
Wavelength Range :325 to 1000 nm
Wavelength Accuracy :±2 nm
Wavelength Repeatability :±1 nm
Photometric Range :0 to 125%T; 0 to 2A; 0 to 1999C (0 to 1999F)
Photometric Accuracy :±1.0%T
Stray Light :≤0.5%T at 340 & 400 nm
Power :110V/50Hz
Dimensions LxWxH :16" x 12" x 8" / 406 x 305 x 203 mm
Weight :18 lbs / 8.2 kg
Cuvette Holder :V-type Tube Holder (8 to 25 mm) and 10 mm Single Cuvette Holder