Device description and principle of operation
SPECORD PLUS Edition 03/2013 19
4.1 Spectrometer system and photometer chamber
Fig. 3 Prinziple design – optical diagram of the SPECORD PLUS 200/210/250 PLUS
Fig. 4 Principle design – optical diagram of the SPECORD 50 PLUS
The spectrometer system with the elements filter wheel, concave grid and slit group shown
above functions as a monochromator.
The following filters are mounted on the filter wheel:
4 color glass filters Suppression of the undesired radiation in the monochromator.
Standard for the automatic recalibration of the wavelengths.
Permitting the passage of the undispersed light.
To measure the dark signal.
On the slit carrier the inlet and outlet slits of the spectrometer system are mounted. With the
various device types the following spectral slit width are thereby implemented: