Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
Desktop Spectrometry Kit 3.0
On Sale

Desktop Spectrometry Kit 3.0

Sale price Regular price $42.00

Check out our improved 4.0 Lego-based Kit! This solves a number of issues with the 3.0 kit -- like rigidity and image quality -- try it out!

NEW! Try a kit that includes a basic webcam at a discounted price. Only a limited supply available!

The Public Lab Desktop Spectrometry Kit 3.0 includes all the parts for a compact, simple, experimental tool -- a visible/near-infrared spectrometer, also known as a spectroscope or spectrophotometer. In less than 30 minutes of assembly, you can plug it into your computer with a USB cable and begin using the free SpectralWorkbench.org software and website to collect spectra -- the "fingerprint" of a material.

The 3.0 kit includes:

  • a diffraction grating (you cut from a DVD-R)
  • an acetate collimation slit
  • a durable, ultra-black, papercraft enclosure 
  • rigid and adjustable mounting board 
  • printed instructions and online documentation
  • webcam with USB cable
  • wooden mounting block
  • 1 long tab of double-sided tape

The Basic Webcam kit includes:

  • All components from the 3.0 kit with a basic, lower powered webcam

The 4.0 kit includes:

  • a diffraction grating (you cut from a DVD-R)
  • an acetate collimation slit
  • Legos to build your own enclosure
  • A link to instructions and online documentation
  • webcam with USB cable
  • 2 cuvettes
  • 1 long tab of double-sided tape
  • Black liner cutout

Lego Upgrade Kit (for square webcam only):

  • For those who have already purchased the 3.0 kit (with square webcam) and would like lego parts to build a more durable case

Always in development by Public Lab contributors like you, this open source instrument is capable of better than 3 nanometer spectral resolution and can record light from ~390 to ~900nm. We need you to contribute by improving the hardware and find new applications, activities and experiments! Assembly instructions can be found here, and you can try calibrating your deviceright after you've assembled it try calibrating it with this introductory activity

For more information on this upgraded version please visit our website and recent research notes.

For a smaller, very low cost spectrometer you can fold out of black card paper and attach to your smartphone, see the Foldable Mini-Spectrometer

Actual webcam model may vary. Please allow 3 business days for processing. All Public Lab content is CC-BY-SA and CERN OHL 1.1

International customers: please leave a phone number at checkout. If your item is returned by customs, Public Lab is not responsible for shipping charges.

Please note: We do not guarantee arrival of the items once shipped, as that is the responsibility of the post office. If you are concerned about your local mail service and are an international buyer, please select the DHL shipping option. For American customers, the only guaranteed method of delivery is priority mail EXPRESS (which is different from priority mail).