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Double Beam UV-Visible Spectrophotometer LB-12DBS Catalog

Overview

Double beam UV-Visible Spectrophotometer LB-12DBS is a double beam light intensity measuring unit with wavelength range 190 nm ~ 1100 nm.It is equipped with Czerny Turner monochromator with reduced stray light widening photometric range. Removable parts ensures easy replacement of accessories for different analysis. Integrated with USB and RS-232 interface enables transfer and storage of output data.

Specifications :
Optical system Double beam
Wavelength range 190 nm ~ 1100 nm
Spectral bandwidth 1 nm
Wavelength accuracy ± 0.1 nm (D2 656.1 nm), ± 0.3 nm (full wavelength range)
Wavelength repeatability 0.1 nm
Wavelength setting Auto
Display 320 x 240 LCD
Detector Silicon photodiode
Stray light 0.02 % T
Photometric accuracy ± 0.002 A, ± 0.004 A, ± 0.2 % T
Photometric repeatability ± 0.001 A , ± 0.002 A, ± 0.2 % T
Photometric range -0.4 to 4.0 A
Baseline flatness ± 0.0004 Abs
Light source Tungsten and Deuterium
Power AC 110 V,50 Hz
AC 220 V,60 Hz
Dimensions ( L x W x H ) 670 x 560 x 260 mm
Weight 24 kgs
Features :

  • LCD display curve and data
  • Photometric measurement: transmittance and absorbance measurement
  • Spectral measurement: transmittance, absorbance and energy scanning
  • Quantitative measurement: Single, dual, three and multi-wavelength measurement
  • Kinetic determination: Time scanning of transmittance and absorbance
  • Diffraction grating 1200 L/mm ensures low stray light
  • Open type light source room for easy replacement of light source
  • Removable parts for easy replacement of accessories
  • Output - USB export, printer (optional )
  • Automatic control system ensuring stability and reliability

Applications :

Used in biochemistry, biochemical, pharmaceutical, environmental protections, food, chemical, universities and quality control for concentration measurement, sample analysis, impurities detection, chemical kinetics, etc.

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