Double Beam UV-Visible Spectrophotometer LB-11DBS

Double Beam UV-Visible Spectrophotometer LB-11DBS

Double beam UV-Visible Spectrophotometer LB-11DBS is a double beam light intensity measuring unit with wavelength range 190 nm ~ 1100 nm. Tungsten and deuterium lamp as a light source with automatic wavelength calibration enables stable output. High performance 24-bit A/D convertor with latest ARM11 system ensures high sample processing speed. Integrated with USB and RS-232 interface enables transfer and storage of output data.

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Specifications

Optical system Double beam
Wavelength range 190 nm ~ 1100 nm
Spectral bandwidth 1 nm
Wavelength accuracy ± 0.1 nm
Wavelength repeatability 0.1 nm
Wavelength setting Auto
Display 7 inch color screen LCD
Detector Silicon photodiode
Stray light 0.03 % 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 ± 0.0015 Abs
Light source Tungsten and Deuterium
Power AC 110 V,50 Hz
AC 220 V,60 Hz
Weight 18 kgs

Features

  • Large color LCD screen display curve and data
  • 32-bit microcontroller for photoelectric data collection and processing
  • Function: photometric and quantitative measurement, spectral scanning, dynamic testing, DNA/protein testing, multi-wavelength testing and data printing
  • Diffraction grating 1200 L/mm ensures precise spectral results
  • Screw drew mechanism ensures wavelength accuracy and repeatability
  • Output - USB export,RS-232 interface
  • Large sample chamber-upto 100 mm cuvette

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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