UV-Visible Spectrometer

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