ARC SpectraPro-150 Imaging Dual Grating Monochromator / Spectrograph

1PCS, Ocean Optics， USB4000, Spectrum Card 196-900nm Slit size 25um, Tested/IC

Ocean Optics USB4000 spectrometer,345-1036nm has been tested well us free tax

Chromex 500is grating Imaging Spectrograph/Monochromator w Controller 1200/mm

ACTON RESEARCH MODEL 275 PLASMA CHEMISTRY TRIPLE GRATING MONOCHROMATOR Untested

ACTON RESEARCH MODEL 275 PLASMA CHEMISTRY TRIPLE GRATING MONOCHROMATOR

Chromex 500is grating Imaging Spectrograph/Monochromator w Princeton TE/CCD-1024

FA448M FA-448 Roper/Acton Research ARC Six-Position Filter Wheel plus Controller