Science-Surplus.com sells used and refurbished spectrometers, 473 nm lasers, and temperature and humidity sensors. We also sell a limited selection of additional electronic equipment. See our complete product listings to view our current offerings.

Science-Surplus is committed to providing high quality laser and optical equipment at the lowest possible price. With over 20 years experience in optics, lasers, electronics, software, spectroscopy, and instrumentation, we can help you get started on your own scientific projects and adventures.

Our products are available through eBay, or can be purchased directly from us using PayPal.  Please contact us at info@science-surplus.com for purchasing or other information.