Particle size analyzer

Zeta potential range

-500 mV to 500 mV

Mobility range

10-10 to 10-7 m2/V.s

Particle size (For zeta measurement)

1 nm up to 100 μm

Sample concentration

0.0001% to 10% w/% (solvent dependent)

Temperature control range inside the cell

10°C to 70°C +/-0,1°C (depending on cuvette cell material)

Cell options

Cuvette cell with optical quality windows compatible with organic solvents

Sample volume

Typically 750 μL (Hellma cell – 10 mm light path)

Maximum sample conductivity

300 mS/cm

Sample Type

Aqueous & organic solvents – pH: 1-14 (depending on cuvette cell material)

Signal processing

Measurement technology

Laser Doppler Electrophoresis (LDE)

Laser source

Highly reliable 20 mW diode @635 nm coupled to automated optical attenuation system. Other wavelengths available upon request

Measurement angle

Single angle for zeta potential at 17°

Data processing algorithm

Fast Fourier Transform

Resolution

Mobility = 10-10 m2/V.s or Zeta = 0,1 mV ( in water)

Detector

Avalanche Photodiode – APD

General

Computer interface

USB 2.0 – Windows XP, Seven

Dimensions

33 cm x 33 cm x 38 cm (HWD)

Weight

16 kg

Power

100-115/220-240 VAC, 50/60 Hz, 100 W max

System Compliance

CE certification

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

ISO norm

ISO 13099-2 : 2012 – Colloidal system – methods for zeta-potential determination – Part 2 : Optical methods