Sunday, 15 September 2019

UV-Visible Spectrometer

Research Grade Polarizing microscope

Technical and Characterization Specifications:
  • Measures light absorption of samples (solutions & thin films) at different wavelengths in the range 190 - 1100 nm.
  • It is a double beam spectrometer with microcomputer electronics, keyboard entry and fluorescence display. 
  • Monochromator: Holographic concave grating with 1053 lines/mm.
  • Wavelength accuracy: + 0.3 ran at deuterium peak 656.1 nm.
  • Spectral slit width: 2nm.
  • Photochromic accuracy: ± 0.005 A at 1 A (measured with NBS 930 filters).
  • Reproducibility: + 0.1 nm.
  • Noise: < 0.0003 A (at 0 A, 500 nm, 2 sec response time).
  • Stability: < 0.0003 A/h (at 500 nm, 1 sec response time, after warm up).
  • Ordinate mode: Choice of %T, ABS or conc.
  • Response time 0.1; 0 .2; 0 .5; 1 ; 2; 5; 10 sec
  • Digital port: RS-232-C/V24 interface for connecting an Epson printer or an Epson PC; optional second RS-232-C/V24.
  • Analog port for connecting an analog chart recorder