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BIOSTELLAR BS-V1900PC Scanning UV/VIS Spectrophotometer

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$   1,500
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  • Description
  • Features

    *Adopted high-class grating with wholly hermetic light path design, to ensure the instrument has the super low stray light

    *Real-time monitoring the lifetime of Deuterium lamp and Tungsten lamp with advanced system

    *With GLP self-check function, check the wavelength accuracy and Photometry accuracy

    *Wavelength calibration, wavelength setting, change lamp source and dark current calibration automatically

    *With Si02 coating optical mirror, reducing the pollution from outside fully

    Basic Functions

    1, Photometry

    Test Abs., Transmittance and Energy by fixed wavelength

    2, Quantitative

    Linear fit and Linear fit through zero two modes

    a.Coefficient, Standard Sample input and Standard Sample read three modes to establish standard curve

    b. Establish A=K1*C+K0, can search original data, graph curve, parameters settings

    c. Can save 240 group curves, can test 240 data in each curve

    d. Double wavelength, Triple wavelength test functions

    3, Kinetics

    Used for time course scanning or reaction rate calculations A/t, can search all data.

    4, Multi-Wavelength

    Can test Transmittance and Abs. with 8 different wavelengths at most

    5, Scanning

    User can set the scan range from 190nm to 1100nm to test the max. Abs. peak value, can do derivation,

    arithmetical operationsto the graph.

    6, Biology

    6 methods: DNA/Protein, UV, Lowry, BCA,CBB and Biuret

  • Specification
  • Technical Parameters






    Optical System

    Single Beam, Grating 1200 lines/mm

    Wavelength Range



    Spectral Bandwidth


    Wavelength Accuracy

    ± 0.5nm

    Wavelength Repeatability

    ≤ 0.3nm

    Photometric Accuracy

    ± 0.002A (0~0.5Abs), ± 0.004A (0.5~1.0Abs), ± 0.5% T (0~100% T)

    Photometric Repeatability

    0.001Abs (0~0.5Abs), 0.002Abs (0.5~1.0Abs), ≤ 0.2% T (0~100% T)

    Stray Light

    ≤ 0.05% T @ 360nm; 220nm


    ± 0.0008A / h @ 500nm

    Baseline Flatness

    ± 0.002A


    0.0005Abs  @ 500nm


    480 *272  65 thousand true color TFT LCD

    Photometric Mode

    T, A, C, E

    Photometric Range

    0~200% T,-0.301~3.0A


    Silicon Photodiode

    Light Source

    Deuterium Lamp, Tungsten Lamp


    Membrane Keypad


    USB2.0*2 Print and data output  USB1.0 Connect PC

    Standard Accessories

    10mm glass cuvette *4 units 10mm quartz cuvette *2 units

    10mm glass uvette *4 units

    Optional Accessories

    Single cell holder,General cell holder,Test tube holder,Solid sample holder,Deuterium lamp,Halogen lamp,4-place Cell holder,Printer,Water-jacketedcell holder,Reflection accessory 5°,Auto 8-cell changer,Micro cell holder,Water-jacketed cell holder,Constant-temperature system

    Power Supply

    AC110V/220±10% ,60/50Hz

    Packing Size(mm)



    Gross Weight(kg)




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