UV-Visible Spectrophotometer LB-21UVS

UV-Visible Spectrophotometer LB-21UVS

UV-Visible Spectrophotometer LB-21UVS is a light intensity measuring unit with wavelength range 195 nm ~ 1020 nm. Achromatic Czerny-Turner optical system and LED display for accurate analysis of samples.It is equipped with tungsten and deuterium lamp as a light source with manual wavelength setting providing flexibility in the positioning of reflector mirror.

$ 2825

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Specifications

Optical system Achromatic Czerny-Turner (1200 L/mm grating)
Wavelength range 195 nm ~ 1020 nm
Spectral bandwidth 5 nm
Wavelength accuracy ± 2 nm
Wavelength repeatability 1 nm
Wavelength setting Manual
Display LED
Detector Silicon photodiode
Stray light ≤ 0.3 % T
Photometric accuracy 0.5 % T
Photometric repeatability 0.2 % T
Photometric range 0 to 200 % T
-0.301 to 2.000 A
Drift ≤ 0.2 % T
Noise 100 % ≤ 0.3 % T
Display range 0 to 200 % T
-0.3 to 2 A
Light switch mode Manual
Stability ± 0.004 A/h at 500 nm
Light source Tungsten and Deuterium
Measurement modes T,A,C
Power AC 110 V,50 Hz
AC 220 V,60 Hz
Dimensions ( L x W x H ) 520 x 450 x 300 mm
Weight 12 kgs

Features

  • LED display measuring value
  • Large sample chamber - upto 1000 mm cuvette
  • Automatic light door function increases useful life of photoelectric sensor
  • Diffraction grating 1200 L/mm ensures precise spectral results
  • Optional parallel port thermal printer

Applications

Used in biochemistry, clinical and research labs, life sciences petrochemical, quality, control agriculture, environmental protection for concentration measurement, sample analysis, impurities detection, chemical kinetics, etc.

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