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    Product Name laspec Alpha-1900SPlus 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 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
    Stray Light ≤0.05%T ≤0.2%T
    Parameter comparison
    wavelength Range 190 - 1100 nm
    Light spectrum Bandwidth 0.5Nm, 1nm, 2nm, 4nm, 5nm variable 2nm
    Optical inspection system Dual beam of light CT optical path; 1200 lines/mm laser holographic Diffraction grating Proportional double beam of light, 1200/mm Holographic grating
    Wavelength accuracy +/- 0.1 nm (656.1 nm D2 ), +/- 0.3 nm (full wavelength Range)
    Wavelength, repeability ±0.2 nm
    Wavelength resolution 0.1 nm
    Photometric Range -0.3 to 3A; 0-200%T; -9999 to 9999C 0.0%(T)~200.0%(T)；-0.301~4.000(A)
    Photometric accuracy ±0.002A@0.5A, ±0.3%(0~100%T)
    Luminosity, repeability ±0.001A@0.5A, ±0.15%T(0~100%T)
    stray light ≤ 0.05%T (220 nm, NaI; 360 nm, NaNO2) ≤ 0.15% (T) (at 220 nm, as NaI) (at 360 nm, as NaNO2)
    Baseline flatness ±0.001A ±0.002A(200nm~1090nm)
    Stability ±0.0005A/hr @500nm, 0A
    luminosity noise ±0.0003A
    Data output - Display Android system, 9.7-inch touchscreen
    Data output - printer LAN printer
    Data output - storage and transmission USB flash drive to access data and send mail
    Data output - PC connection RS232 and Bluetooth connection to the computer
    Size 660 x 580 x 270mm
    weight 29 kg