Spectrograph vs. Spectrometer — What's the Difference?

A spectroscope equipped to photograph or otherwise record spectra.

A spectrometer () is a scientific instrument used to separate and measure spectral components of a physical phenomenon. Spectrometer is a broad term often used to describe instruments that measure a continuous variable of a phenomenon where the spectral components are somehow mixed.

See spectrogram.

A spectroscope equipped with scales for measuring wavelengths or indexes of refraction.

A machine for recording spectra, producing spectrograms.

(analytical chemistry) An optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patterns produced are used to identify the substances present, and their internal structure.

An apparatus for photographing or mapping a spectrum.

A spectroscope fitted for measurements of the luminious spectra observed with it.

A spectroscope by which spectra can be photographed

Spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer

A photographic record of a spectrum