Microtrac - ZETAVIEW

Manufactured by  Microtrac
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Individual particle tracking, microelectrophoresis, and Brownian motion analysis instrument.

The measurement range of the instrument is 0.01 – 50 Μm for zeta potential determination and 0.01 – 3 Μm for particle size distribution. The ZetaView is available in two models: the PMX 101 (equipped with a red laser) and the PMX 102 (equipped with a blue laser and cut off filter for the measurement of fluorescent particles).

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Features of ZETAVIEW
  • Auto-alignment and auto-focusing
  • Passive stability elements
  • Impressions on nano-systems <10 nm
  • Wide concentration and particle counting range
  • Accuracy and precision
  • Can be controlled by a tablet PC
General Specifications
Depth 30 cm
Height25 cm
Width 20 cm
Power Requirements 90
Weight9 kg
Additional Specifications

Measurement principles: Micro-electrophoresis zeta potential and Brownian diffusion size, counting

Optical layout:

  • Laser scattering video microscope with individual particle tracking
  • Auto-alignment and auto-focusing design

Measurement cell: Fused slica channel, platinum electrodes, PEEK, Kalrez® O-rings, flushable with acetone  
and pH solutions

Applied cell voltage: -24 V, + 24 V for zeta potential, 0 V for size

Optical System:

  • Microscope lens x 10 and digital camera, 640x480 px, 30 and 60 fps
  • Red diode laser, 650 nm for standard PMX 101
  • Blue diode laser, 405 nm for Model PMX 102
  • *Other wavelengths on demand

Zeta potential range: -200 to +200 mV

Range of detectable particle size:

  • 0.01 - 50 Μm for zeta potential determination
  • 0.01 - 3 Μm for particle size determination
  • Lower and upper limits dependant on sample and laser

pH-range: 1-13

Temperature range: 10 - 55 ° C

Conductivity range: 0 - 4 mS/cm

Internal control - outputs: temperature, conductivity, voltage across 59 mm distance drift detection

Accuracy of measurement: ± 4 mV in zeta potential; ± 6nm for a 100 nm PS Latex

Reproducibility: ± 2 mV in zeta potential; ± 2 nm for a 100 nm PS Latex

Sample:

  • aqueous and polar media based dispersions, minimum 3mL
  • Sample concentration range: 106 - 1010 particles/mL, maximum 1000 ppmv for 200 nm sized particles

Test standards: Auto-alignment dispersion and zeta potential reference dispersion

Electrical supply: 90 - 240 V, 47 - 63 Hz, 30 VA

Laser safety: Instrument protection to safety class I. Laser inside housing: safety class 3B, switched off for access to the measurement cell

External dimensions: 20 (W) x 25 (H) x 30 (D) cm

Weight: Main unit 9 kg, PC extra

Measurement software:

  • System control, auto-alignment. Tracking of individual particles.
  • Zeta Potential distributions, size distributions, particle counting.
  • Profile and averaging functions. Export and Report functions

Theory:

  • Conversion of electrophoretic into zeta potential according to Smoluchowski equation.
  • Size distribution following Stokes Einstein formula

Material parameters: No material parameters required

Data management: Video files, txt files, pdf reporting, single and overlay output

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