| Wavelength range |
190 to 900 nm (performance guaranteed range). Extendable to 1,100
nm through the use of the optional photomultiplier. (The measurable range may be
restricted in the shorter wavelength side depending on the type of photomultiplier
used.), 300 - 1100 nm or 190 - 1010 nm with optional photomultiplier |
| Monochromator system |
UV-2450PC: Single monochromator with a high-performance blazed
holographic grating in the aberration corrected Czerny-Turner mounting. |
| Resolution |
0.1 nm. |
| Spectral bandwidth |
0.1, 0.2, 0.5, 1, 2 and 5 nm. |
| Wavelength repeatability |
±0.1 nm. |
| Wavelength accuracy |
±0.3 nm. |
| Wavelength scanning speed |
FAST, MEDIUM, SLOW and VERY SLOW. |
| Light source |
50W halogen lamp (2,000 hours life) and D2 lamp (500 hours life).
|
| Light source lamp switching |
Selectable between 282 nm and 393 nm. |
| Stray light |
UV-2450PC: Less than 0.015 % at 220 nm and 340 nm. |
| Detector |
Photomultiplier R-928. |
| Photometric system |
Double-beam, direct ratio system with dynode feedback. |
| Photometric mode |
Absorbance (Abs.), transmittance (%), reflectance (%) and energy
(E). |
| Photometric range |
Absorbance : -4~5 Abs. (0.001 Abs. increments).
Transmittance: 0~999.9 % (0.01 % increments).
Reflectance: 0~999.9 % (0.01 % increments). |
| Photometric accuracy |
±0.002 Abs. (0~0.5 Abs.) with NIST 930D Filter.
±0.004 Abs. (0.5~1 Abs.) with NIST 930D Filter.
±0.3 %T (0~100 %T) with NIST 930D Filter. |
| Photometric repeatability |
±0.001 Abs. (0~1.0 Abs.) ±0.1 %T. |
| Baseline correction |
Selectable with storage in firmware. |
| Baseline flatness |
Within ±0.001 Abs. (excluding noise; 2 nm slit width and SLOW
wavelength scanning speed). |
| Drift |
Less than 0.0004 Abs. per hour (after 2 hours warm-up). |
| Power requirements |
100 V, 120 V, 220 V, 240 V, switch-selectable; 50/60 Hz; 250
VA. |
| Dimensions and weight |
Main spectrophotometer 570W X 660D X 275Hmm;
about 36 kg. |
Home > Products > Spectroscopy > UV/VIS-NIR > UV-2450/2550 > UV-2450 Specifications
