Double Beam UV-Vis Spectrophotometer LUS-B20

Double Beam UV-Vis Spectrophotometer LUS-B20

Double Beam UV-Vis Spectrophotometer LUS-B20 is a double beam designed UV-Vis spectrophotometer, offers 190 to 1100 nm of wavelength range with C-T monochromator and 1600 L/mm holographic grating. Features 3D spectrogram measurement for sample with dynamic change, this spectrophotometer has adjustable spectral bandwidth of 1.0 nm to 5.0 nm. Designed compactly with fixed 2 trench sample holder, deuterium and tungsten lamp as light source, it has automatic calibration. Equipped with photomultiplier sensor, digital signal and USB interface, 4 quartz cuvette, this spectrophotometer provides high resolution, low stray light, lasting stability, and powerful software function.

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Wavelength range 190 to 1100 nm
Spectral bandwidth 1.0 to 5.0 nm (adjustable)
Optical system Double beam, C-T monochromator, 1600 L/mm holographic grating
Wavelength accuracy ±0.3 nm
Wavelength repeatability 0.1 nm
Wavelength resolution 0.05 nm
Wavelength edge noise 100%T line ≤0.1%T;0%T line ≤0.05%T
Stray light 0.015 %T (at 220nm and 360 nm)
Baseline flatness ≤±0.001 Abs
Baseline noise ±0.1 %T
Baseline drift ≤0.0004 Abs / h (after warm-up at 500 nm)
Standard sample holder Fixed 2 trench sample holder
Measuring length 0 to 200% T, -4.000 to 4.000 Abs, -9999 to 9999C, -9999 to 9999F
Transmittance accuracy ±0.3 %T
Transmittance repeatability 0.1 % T
Light switching point Adjustable; 294 nm to 365 nm
Light Source Deuterium lamp, Tungsten lamp (20 W/12 V)
Detector Silicon photodiode detector
Interface Digital signal; USB
Cuvette 4 quartz cuvette; 10 mm optical path
Power supply 220 V ± 10%, 50Hz
Power 200 W
Dimension (L×W×H) 620×510×245 mm
Package dimension (L×W×H) 745×635×400 mm
Net weight 30 kg
Gross weight 39 kg
  • Double beam designed UV-Vis spectrophotometer
  • 190 to 1100 nm of wavelength range with 1600 L/mm holographic grating
  • 3D spectrogram measurement for sample with dynamic change
  • Adjustable spectral bandwidth of 1.0 nm to 5.0 nm
  • Fixed 2 trench sample holder, deuterium and tungsten lamp as light source
  • Photomultiplier sensor, digital signal and USB interface
  • 4 quartz cuvette of 10 mm optical path
  • PC control software (Windows based)
  • Automatic calibration
  • Highly stable, User-friendly, Controlled by PC

Double Beam UV-Vis Spectrophotometer is used for photometric measurement, spectrum scan, quantitative determination, dynamics measurement, 3D map measurement, multi-wavelength test, DNA/ Protein concentration measurement etc. across factories, schools, metallurgy, agriculture, food industry, biochemistry, environment protection, petrochemical industry, medical and health and scientific research institutes or labs etc.

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