Heavy-duty yet compact version of the traditional spectrometer—an incredibly durable and accurate device! Identify elements (such as mercury, sodium, hydrogen, neon) in flame spectra, spectrum tubes, solar spectra, fluorescent lamps and even streetlights. Allows for viewing and measurement of spectral lines to an accuracy of ±1 nanometer. Affordably designed for use in high school or college classes. Comes complete with a 10-page activity booklet.