BPIT, Inc. - Double Beam Spectrophotometer "UV-2300 ll"

Double Beam Spectrophotometer "UV-2300 ll"

By: JP Selecta

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Research, chemistry, biotechnology, general spectroscopy analysis applications, environmental applications.

Monochromator high resolution optics that eliminate any optical aberrations, monochromator “Seya-Namioka”, manufacturer of exclusive beam technologies and diffraction gratings in Japan.

Bandwidth 1.5 nm in accordance with European pharmacopoeia recommendations. (the relation between the maximum and minimum absorbence in Toluene and Hexane at 0.02% (V/V) should be more than 1.5T).

Several modes of operation including spectral scanning, time base scanning, multi wavelength determinations, peak and trough detection, etc.

Fast spectra scan displayed on a screen covering the whole spectral range: quick scan 3600 nm/minute, range 190 to 1100 nm

Validation function for GLP/GMP: This function maintains and assures the optimum working parameters of the instrument. Parameter such as the wavelength precision and noise are monitored.

Memory facilities of analytical results: The analytical parameters and results can be stored in the “flash” memory, connected by the USB. The stored information can be stored as text and can be transferred to a computer for reporting using MS WORD/EXCELL.

A DNA/RNA function is fitted to quantify the ratio at 260/280 nm.

Controllable from a computer with application specific optional software: “UV-Analyst Spectrum”


Optical system: Double beam optics.
Wavelength range  190 nm to 1100 nm.
Band pass: 1.5 nm
ABS range:  -2.000 to 3.000 A or 0 to 300% T.
Stray light:  less than 0.05% (220 nm Nal, 340 nm NaNO2).
Scan speed:  10, 100, 200, 400, 800, 1200, 2400 and 3600 nm/minute.
Wavelength accuracy:  ±0.3 nm.
Photometric accuracy:  ± 0.002 A from 0 to 0.5 A. ± 0.004 A from 0.5 to 1.0 A.
Baseline stability:  0.003A/hr (500 nm after 2 hours of use.).
Noise level:  0.003 A (at 500 nm).
Light source:  Deuterium D2 and Halogen lamps.
Built in screen:  LCD back light of 190 x 138 mm.
Connections:  RS232 and parallel port.