Wireless Spectrometer (VIS)

In a pair with tablet or computer connected by Bluetooth or USB you can measure intensity, absorbance, transmittance, and fluorescence, Spectroscopy experiments for chemistry, biology and physics. Free software for Windows® and Mac® computers with a free app available for iOS devices or Android® tablets.

Available on backorder

The PASCO Wireless Spectrometer is specifically designed for introductory spectroscopy experiments. The Bluetooth and USB connectivity enables use with tablets and computers. With this one apparatus, you can measure intensity, absorbance, transmittance and fluorescence, making this a powerful and intuitive tool for your spectroscopy needs. Includes 10 plastic cuvettes and lids.

PASCO’s FREE Spectrometry Software (download link below) walks you through the process of calibration, performing a full spectrum scan, determining the optimum wavelength for study, and concentration and kinetics experiments.

Perform these labs and more with the Wireless Spectrometer


  • Emission Spectra of light
  • Absorbance and transmittance spectra
  • Beer’s Law: concentration and absorbance
  • Kinetics
  • Fluorescence


  • Photosynthesis with DPIP
  • Absorption spectra of plant pigments
  • A concentration of proteins in solution
  • A rate of enzyme-catalyzed reactions
  • The growth of cell cultures


  • Light intensity across the visible spectrum
  • Emission spectra of light sources
  • Match known spectra with references

Free Software

Free downloads available for Windows® and Mac® computers with a free app available for iOS devices or Android® tablets, this software allows students to measure intensity, absorbance, transmittance and fluorescence.

How It Works

Absorbance and Transmittance: Light from the LED-boosted tungsten light source passes through the solution and a high-quality diffraction grating. The CCD array detects the light for collection and analysis.

The optional Fiber Optic Cable allows you to perform emissions spectroscopy experiments with the PASCO spectrometer. Simply insert the Fiber Optic Cable into the cuvette holder and point the end of the cable at the light source.

Important Note: Solutions used within this spectrometer should be compatible with polystyrene (cuvette material) and ABS (spectrometer housing material). In particular, strong organic solvents such as acetone will damage the cuvettes.


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