Spectral projector is one of whole sets of spectrograph. It is mainly used to carry on qualitative or semi-quantitative analyzing spectral motherboard of spectrograph and standard spectrograph or spectrum with consistency known though projecting and magnifying, also may be used to commonly project and magnify.
Beam emitted by photosource is irradiated on motherboard by viewfinder and condenser to illuminate the area with 15mm diameter. The light path of condenser is turned back 55u00b0by aluminum-plate planar viewfinder. Heat-insulation glass is used to eliminate the effect of heat radiation to condensing system. Projection objective makes spectrum project onto projection screen though planar viewfinder; special prism make latex side of spectral motherboard on the upside, and wavelength diagraph keep upright. Additional rotary lens changes zoom multiple from 19.75times to 20.25times. Besides, lens makes filament image on projection screen to adjust illuminating strength.
Zoom multiple 20times
Adjusting range of zoom multiple 19.75～20.25times
Effective diameter of projection screen 300mm
Transverse moving distance of worktable 220mm
Lengthways moving distance of worktable 80mm
Weight of instrument 41kg
Overall dimension 780u00d7660u00d7850mm
Ⅳ Whole set of instrument
1. Spectral projector 1
2. Illuminating bulb (12V, 50W) 5
3. Using instruction 1
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