Sample Type

    Sizing: nanoparticle and colloidal-sized materials, in any non-absorbing liquid.

    Zeta potential: proteins, nanoparticle, polymer and colloidal-sized materials, suspended in any non-absorbing liquid, with relative permittivity (dielectric constant) > 1.5 and viscosity < 30 cP.
    Size Range

    Sizing: > 0.3 nm to 6 µm, depending on refractive index and concentration

    Zeta potential: 1 nm to 100 µm, sample dependent
    Mobility range10-11 to 10-7 m2 / V * s
    Zeta potential range-500 mV to 500 mV, sample dependent
    Maximum sample conductivity

    Sizing: unlimited

    Zeta potential: 220 mS/cm, covering saline and PBS solutions for proteins; sample dependent
    Sample cells

    Sizing: 1 to 3 mL disposable plastic, 50 µL disposable, 40 µL quartz flow cell, 10 µL quartz minimum

    Zeta potential: 180 µL, 600 µL, 1250 µL
    Concentration range

    Sizing: 2 ppm to 50 mg/mL, depending on refractive index and concentration

    Zeta potential: 40% v/v, sample dependent

    Signal processing

    Sizing: Dynamic Light Scattering, DLS

    Zeta potential: Electrophoretic & true Phase Analysis Light Scattering, ELS & PALS

    CorrelatorBrookhaven's TurboCorr, multitau, research grade with 510 hardware channels, covering the equivalent of 1010 linearly-spaced channels, 100% efficiency, real-time operation over the entire delay-time range.

    Sizing: ± 1% typical

    Zeta Potential: ± 3% typical
    Temperature control range-5 °C to 110 °C ± 0.1 °C
    Condensation controlPurge facility using dry air, nitrogen preferred
    Standard laser35 mW red diode laser, nominal 640 nm wavelength
    Scattering angle15° & 90°
    Data Presentation

    Average & width, lognormal fit, and multimodal size distribution for sizing.

    Doppler Frequency Shift, electrophoretic mobility, zeta potential using Smoluchowski, Hückel, or Henry
    ComplianceISO 13321 and ISO 22412 compliant results for sizing
    Power Requirements100/115/220/240 VAC, 50/60 Hz, 150 Watts
    Diemensions23.3 x 42.7 x 48.1 cm (HWD)
    Weight15 kg
    Environmental Characteristics

    Temperature 10 °C to 75 °C

    Humidity 0% to 95%, non-condensing

    CE certificationClass I laser product, EN 60825-1:2001, CDRH