DW-L8L9 front left
DW-L8L9 screen
DW-L8L9 sample holder
DW-L8L9 back
DW-L8L9 front
DW-L8L9 left
DW-L8L9 outlook
DW-L8L9-right
DW-L8L9 front right
  • DW-L8L9 front left
  • DW-L8L9 screen
  • DW-L8L9 sample holder
  • DW-L8L9 back
  • DW-L8L9 front
  • DW-L8L9 left
  • DW-L8L9 outlook
  • DW-L8L9-right
  • DW-L8L9 front right

    • DW-L8/L9 Double Beam UV-VIS Spectrophotometer

    The DW-L8/L9 double beam UV-Vis spectrophotometer applies a new optical bench, with 5-speed adjustable bandwidth, ARM chip control, and data processing, an 8-inch color touch-screen that displays a menu, and spectral curve, and can analyze spectrum test data. It’s quite easy for user and computer interaction. The instrument can perform the following operations, including photometry, automatic scanning spectral measurement, quantitative analysis, dynamic analysis, and multi-wavelength measurement.

    The instrument serves as the basic equipment for quality control, technical evaluation, and scientific research, and can be widely used in susceptibility testing, medicine and health, biochemistry, environmental monitoring, commodity inspection, petrochemical, and other fields.

    DW-L8/L9 Manual
    DW-L8/L9 Brochure

    Features of DW-L8/L9 Double Beam UV-VIS Spectrophotometer

    • New optical platform, enabling the host machine with excellent optical properties, metering performance, low stray light and noise, high metering accuracy, and stability.
    • The unique system of deuterium and tungsten lamp installation, facilitates the light source to automatically switch to the best position and allows users to operate the instrument, replace the light source and maintain the instrument more conveniently, accurately, and safely.
    • Sophisticated hardware and software design, empowering the instrument with powerful spectral data processing and storage capabilities, and performing the following functions, including automatic scanning of the measured spectrum, multi-wavelength (1-3 λ) measurement, kinetic measurement, 1-3 curve fitting, 1-4 derivative spectra, spectra printing and storage and data analysis.
    • 8-inch color touch-screen, with a good user-machine interface, easy to operate.
    • USB communication port.

    Specifications of DW-L8/L9 Double Beam UV-VIS Spectrophotometer

    Model DW-L8 DW-L9
    Photometry Double Beam
    Monochromator Type Czerny-Turner
    Focal Length 200mm
    Grating 1600 lines/mm
    Detector Silicon Photocell
    Spectrum Bandwidth 2nm 0.5nm,1nm,2nm,4nm,5nm
    Wavelength Setting 8-inch color touch-screen
    Wavelength Range 190-1100nm
    Wavelength Accuracy ±0.3nm（actual test ±0.2nm ）
    Wavelength Repeatability ≤0.1nm
    Scanning Speed Fast-Medium-Slow
    Stray Light ≤0.02%T (at 220nm NaI, 360nm NaNo2)
    Photometric Range 0.0-200.0% T
    0.301-4.000 A
    0.000-9999 C
    Photometric Accuracy ±0.3% T
    ±0.002 Abs (0-0.A)
    ±0.004 Abs (0.5-A)
    Photometric Repeatability ≤0.15% T
    0.001 Abs (0-0.5A)
    0.002 Abs (0.5-1A)
    Noise 100% (T) noise≤0.1%(T), 0% (T) noise≤0.02%(T)
    Power AC220V±22V 50Hz±1Hz, 200W
    Packaging Size 730mm X 630mm X 450mm 0.21M3 42.5kg

    Standard Accessories of DW-L8/L9 Double Beam UV-VIS Spectrophotometer

    • Operation manual 1pc
    • Glass cuvette 10mm 4pcs
    • Quartz cuvette 10mm 2pcs
    • Power cable 1pc
    • Fuse 2pcs
    • Cuvette holder 10mm

    Optional Accessories of DW-L8/L9 Double Beam UV-VIS Spectrophotometer

    • UV WIN8 station pro software
    • Cuvette holder 50mm 100mm
    • Cuvette 20mm 30mm 50mm 100mm