EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy - for Studying Light Sources, Measuring Wavelengths & Color Spectra

EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy

tCheck 3 Portable Potency Tester with Reusable Tray | UV Spectrometer for Accurate Potency Testing - Herbal Kit for Infusions, Edibles, Concentrates & Oils (Not for Flower Testing) Green

Generic Spectryx Blue Mobile Educational Spectrometer - Bluetooth-Enabled, High Precision 350-850nm Wavelength, Portable for Gemstone Identification, Fluorescence, Chemistry Labs with CMOS Sensor

EISCO Economy Spectroscope Tube - 500 Lines/mm Grating - Eisco Labs

Gain Express Pocket Diffraction Grating Gemological Spectroscope for Quick Gemstone Identification and GIA Use

Handheld Diffraction Spectroscope, Pocket-Sized Grating Gemological Spectrometer in a Gem Tool Jewelers Eye Loupe for GIA Use and Quick Identification Gemstone Jewelry Magnifier

Ade Advanced Optics Pocket Diffraction Grating Gemological Spectroscope

Spectrometer PPFD Meter PAR Quantum Meter with Wireless Remote Measurement-LED Grow Lights Full Spectrum for Precision Color Control & Interpretation-Ideal for Home, Engineering Lab & Industrial Use

Spectryx Blue Mini Educational Spectrometer