UV-Visible Spectrophotometer LB-22UVS

UV-Visible Spectrophotometer LB-22UVS

UV-Visible Spectrophotometer LB-22UVS is a light intensity measuring unit with hermetic light path design for reduced stray light. The SiO2 coated optical mirror enables uninterrupted propagation of light and reduces contamination through external sources.

Get Quote Download Catalog

Specifications

Optical system Single beam (1200 lines/mm grating)
Wavelength range 190 nm ~ 1100 nm
Spectral bandwidth 2 nm
Wavelength accuracy ± 0.5 nm
Wavelength repeatability ≤ 0.3 nm
Photometric accuracy ± 0.002 A (0 Abs ~ 0.5 Abs)
0.004 A (0.5 Abs ~ 1.0 Abs)
± 0.5% T (0% T ~ 100% T)
Photometric repeatability 0.001 Abs (0 Abs ~ 0.5 Abs)
0.002 Abs (0.5 Abs ~ 1.0 Abs)
≤ 0.2% T (0% T ~ 100 %)
Stray light ≤ 0.05% T at 360 nm, 220 nm
Stability ± 0.001 A/h at 500 nm
Baseline flatness ± 0.002 A
Noise ± 0.0005 A
Display TFT LCD
Photometric mode T.A.C.E
Photometric range 0% T ~ 200% T
- 0.301 Abs ~ 3.0 Abs
Detector Silicon photodiode
Light source Deuterium lamp; Tungsten lamp
Input Membrane keypad
Output USB print and data output
PC Connection
Power AC 110 V ±10%; 50 Hz
AC 220 V ±10%; 60 Hz
Dimensions 620 × 500 × 370 mm
Gross weight 18 kgs

Features

  • Photometric detection by fixed wavelength
  • Multi-Wavelength configuration for measurement of transmittance and absorbance
  • Testing and storage capacity of 240 data in each curve
  • Large LCD display for visual monitoring of the process
  • Efficient time course scanning and reaction rate calculations
  • Wavelength and dark current calibration
  • Lamp source selection flexibility

Standard Accessories

Sr. No.Name of the accessoryQuantity
110 mm glass cuvette4 units
210 mm quarts cuvette2 units

Optional Accessories

Sr. No.Name of the accessory
1Single cell holder
2General cell holder
3Test tube holder
4Solid sample holder
5Deuterium lamp
6Halogen lamp
74 place cell holder
8Printer
9Water jacketed cell holder ( 4 cells capacity )
10Reflection accessory 5°
11Auto 8 cell changer
12Micro cell holder
13Water jacketed cell holder ( 1 cell capacity )
14Constant temperature

Applications

Used for concentration measurement, photometric analysis, impurities detection in the fields of biology, biochemical, pharmaceutical, environmental science, food, chemical, genetic, quality control, etc.

Get Quote

UV-Visible Spectrophotometer

Optical system Single beam (1200 lines/mm grating)
Wavelength range 320 nm ~ 1100 nm
Spectral bandwidth 2 nm
Wavelength accuracy ± 0.5 nm
Wavelength Range 190 to 1100 nm
Spectral Bandwidth 2 nm
Wavelength Accuracy ±0.5 nm
Wavelength Repeatability 0.2 nm
Wavelength Range 190 to 1100 nm
Spectral Bandwidth 2 nm
Wavelength Accuracy ±2.0 nm
Wavelength Repeatability 0.5 nm
Optical system Single beam (1200 lines/mm grating)
Wavelength range 190 nm ~ 1100 nm
Spectral bandwidth 4 nm
Wavelength accuracy ± 0.5 nm
Optical system Single beam (1200 lines/mm grating)
Wavelength range 320 nm ~ 1100 nm
Spectral bandwidth 2 nm
Wavelength accuracy ± 0.5 nm
Optical system Single beam (1200 lines/mm grating)
Wavelength range 320 nm ~ 1100 nm
Spectral bandwidth 4 nm
Wavelength accuracy ± 0.5 nm
Optical system Single beam (1200 lines/mm grating)
Wavelength range 190 nm ~ 1100 nm
Spectral bandwidth 2 nm
Wavelength accuracy ± 0.5 nm
Optical system Single beam (1200 lines/mm grating)
Wavelength range 200 nm ~ 1020 nm
Spectral bandwidth 4 nm
Wavelength accuracy ± 2 nm
Optical system Single beam (1200 lines/mm grating)
Wavelength range 325 nm ~ 1000 nm
Spectral bandwidth 4 nm
Wavelength accuracy ± 2 nm
Optical system Single beam (1200 lines/mm grating)
Wavelength range 320 nm ~ 1020 nm
Spectral bandwidth 4 nm
Wavelength accuracy ± 2 nm
Optical system Single beam (1200 lines/mm grating)
Wavelength range 200 nm ~ 1020 nm
Spectral bandwidth 4 nm
Wavelength accuracy ± 2 nm
Optical system Achromatic Czerny-Turner (1200 L/mm grating)
Wavelength range 195 nm ~ 1020 nm
Spectral bandwidth 5 nm
Wavelength accuracy ± 2 nm
Optical system Achromatic Czerny-Turner (1200 L/mm grating)
Wavelength range 190 nm ~ 1100 nm
Spectral bandwidth 4 nm
Wavelength accuracy ± 2 nm
×

Ask Quote

Copyright © Labotronics Scientific 2026