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Unico S-1100 Series Basic Visible Spectrophotometers - S-1100RS


The Unico S-1100 Series Basic Visible Spectrophotometers are simple, reliable and economical. Great for use in many types of laboratories, including educational, clinical, industrial and environmental labs.

S-1100 series spectrophotometers offer your choice of 10 and 20 nm models and are designed for use with ½” (13 mm) round tubes or 10 mm square cuvettes. Optional tube holders are also available for COD, ¾” and 1” round tubes. An adapter is supplied at no additional charge for 10 mm square cuvettes.

  • High quality silicon photodiode detector
  • 1200 lines/mm grating
  • Auto zero function
  • One-touch blanking
  • Built-in, automatic filters
  • Large digital display

Both models in the S-1100 series work with 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.

Model S-1100 measures absorbance, transmittance and now includes a USB port; while model S-1100RS features both USB and RS-232 ports along with absorbance, transmission plus concentration (C) and factor (F) models.

Supplied with a manual, 12 round optical glass cuvettes, a square cuvette adapter and dust cover.

Part Number: S-1100RS
Attribute nameAttribute value


Spectral Bandwidth :10 nm
Wavelength Range :335 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 :110-120V/60Hz
Dimensions LxWxH :16" x 12" x 8" / 406 x 305 x 203 mm
Weight :14 lbs / 6.3 kg