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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.

Compare Models

Model Wavelength range Spectral bandwidth Optical system Wavelength accuracy Wavelength repeatability Wavelength resolution Wavelength edge noise Stray light Baseline flatness Baseline noise Baseline drift Standard sample holder Measuring length Transmittance accuracy Transmittance repeatability Light switching point Light Source Detector Interface Cuvette Power supply Power Dimension (L×W×H) Package dimension (L×W×H) Net weight Gross weight
LUS-B30 190 to 1100 nm 2 nm Double beam 1200 lines/mm - - - - ≤ 0.03 % T @ 220 nm, 360 nm ± 0.002 A - - - - - - - - Imported silicon photodiode - - AC 220 V, 50 Hz or 110 V, 60 Hz - - - - 27 kg
LUS-B31 190 to 1100 nm 1 nm Double beam 1200 lines/mm - - - - ≤ 0.03 % T @ 220 nm, 360 nm ± 0.001 A - - - - - - - - Imported silicon photodiode - - AC 220 V, 50 Hz or 110 V, 60 Hz - - - - 27 kg
LUS-B32 190 to 1100 nm 0.5/1/2/4/5 nm Double beam 1200 lines/mm - - - - ≤ 0.03 % T @ 220 nm, 360 nm ± 0.001 A - - - - - - - - Imported silicon photodiode - - AC 220 V, 50 Hz or 110 V, 60 Hz - - - - 45 kg
LUS-B16 - - - - - - - - - - - - - - - - - - - - - 120 W - - - -
LUS-B40 190 to 1100 nm 0.5/1/2/4 nm Double beam grating 1200 lines/mm - - - - ≤ 0.03 % T @ 220 nm, 360 nm ± 0.001 A - - - - - - - - Imported silicon photodiode - - AC 220 V, 50 Hz or 110 V, 60 Hz - - - - 28 kg
LUS-B15 190 ~ 1100 nm 2 nm - 0.5 nm ≤ 0.2 nm - - ≤ 0.05 % T - - - - - ≤ 0.05 % T ± 0.5 % T - Xenon and Deuterium lamp Silicon photo diode - - - AC 220 / 50 Hz or AC 110 / 60 Hz - - - -
LUS-B10 - - - - - - - - - - - - - - - - Tungsten lamp, Deuterium lamp Silicon photodiode - - - - - - - -
LUS-B13 - - - - - - - - - - - - - - - - Tungsten lamp, Deuterium lamp Silicon photodiode - - - - - - - -
LUS-B11 190 to 1100 nm 1.8 nm Double beam; 1200 lines/mm grating ±0.1nm (D2 656.1nm), ±0.3nm @ all 0.2 nm - - ≤0.03% T @ 220 nm,360 nm - - - - - - - - - Silicon photodiode USB - AC 220 V/110 V,50/60 Hz - - - - -
LUS-B20 190 to 1100 nm 1.0 to 5.0 nm (adjustable) Double beam, C-T monochromator, 1600 L/mm holographic grating ±0.3 nm 0.1 nm 0.05 nm 100%T line ≤0.1%T;0%T line ≤0.05%T 0.015 %T (at 220nm and 360 nm) ≤±0.001 Abs ±0.1 %T ≤0.0004 Abs / h (after warm-up at 500 nm) Fixed 2 trench sample holder 0 to 200% T, -4.000 to 4.000 Abs, -9999 to 9999C, -9999 to 9999F ±0.3 %T 0.1 % T Adjustable; 294 nm to 365 nm Deuterium lamp, Tungsten lamp (20 W/12 V) Silicon photodiode detector Digital signal; USB 4 quartz cuvette; 10 mm optical path 220 V ± 10%, 50Hz 200 W 620×510×245 mm 745×635×400 mm 30 kg 39 kg
LUS-B12 - - - - - - - - - - - - - - - - Tungsten lamp, Deuterium lamp - USB 4 Quartz cuvette (10 mm optical path)
4 Glass cuvette (10 mm optical path)
- - - - - -
LUS-B17 - - - - - - - - - - - - - - - - Import Deuterium Lamp & Tungsten Halogen Lamp Import Silicon Photodiode - - - 120 W - - - -
LUS-B41 - - - - - - - - - - - - - - - - - Silicon Photodiode - - - - - - - -
LUS-B42 - - - - - - - - ± 0.0008A ± 0.1%T - - - - - - - Photocell USB-A/USB-B - - - - - - -
LUS-B23 - - - - - - - - - - - - - - - - Imported Deuterium Lamp, Imported Tungsten Lamp Photomultiplier Tubes - - - - - - - -

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