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    Product Name laspec Alpha-1860S UV-Visible SpectroPhotoMeter YUEFENG 770S UV-Visible SpectroPhotometer
    Product Price In coming $2591.00
    Details Details
    Model comparison
    Spectral Type UV-Vis UV-Vis
    Optical Path Single-Beam Pseudo-Double-Beam Pseudo-Double-Beam
    Dispersion Grating Grating
    Detection Scanning Scanning
    Light Source Tungsten Deuterium Tungsten Deuterium
    Wavelength 190-1100nm 190-1100nm
    Accuracy ≤0.5nm ≤0.5nm
    Bandwidth ≤2nm
    Detector Silicon Photodiode
    Stray Light ≤0.05%T ≤0.2%T
    Parameter comparison
    wavelength Range 190-1100nm
    Optical inspection system Single beam of light/proportional monitoring optional, self-aligning optical path, 1200 lines/mm laser holographic Diffraction grating Proportional double beam of light, 1200/mm Holographic grating
    Light spectrum bandwidth 0.5nm, 1nm, 2nm, 4nm, 5nm
    Wavelength accuracy +/- 0.3Nm full wavelength, +/- 0.1nm 656.1nm D2
    Wavelength, repeability ±0.1nm
    Photometric accuracy ±0.002A@0.5A，±0.004A@1A，±0.3%T(0-100%)
    Luminosity, sexual repeability ±0.001A@0.5A，±0.002A@1A，±0.15%T(0-100%T)
    Photometric Range -0.3 to 3A；0-200%T；-9999-9999C 0.0%(T)~200.0%(T)；-0.301~4.000(A)
    Baseline flatness ±0.001A ±0.002A(200nm~1090nm)
    wavelength setting Automatic, minimum resolution 0.1nm
    Operating Mode T，A，C，E
    Zero setting Automatic adjustment of 100% T and 0% T
    interface display 320 * 240 graphic LCD, Chinese menu
    stray light ≤0.03%T @220nm，360nm,NaNO2 ≤ 0.15% (T) (at 220 nm, as NaI) (at 360 nm, as NaNO2)
    stability ±0.0005A/hr@500nm，0A
    Illuminant Imported tungsten halogen lamp, deuterium lamp Deuterium lamp, tungsten halogen lamp
    Detector Imported silicon photodiode
    dimensions 660*580*270mm
    weight 28.5 kilograms
    data output 320 * 240 point matrix graphic LCD screen; USB1.1 is connected to upper-layer software; PC operation Type can be provided