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Electrokinetic analyzer for solid surface analysis:
SurPASS 3

Model:
  • High-end electrokinetic analyzer for solid surface analysis
  • Fully automated zeta potential analysis on macroscopic solids
  • Automated detection of the isoelectric point
  • Time-dependent recording of liquid-on-solid adsorption kinetics
  • Entry-level electrokinetic analyzer for routine surface analysis
  • Single-point zeta potential results in less than 2 minutes
  • Upgrade options for a future-proof investment
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The SurPASS 3 series features fully automated zeta potential analysis of macroscopic solids under real-life conditions. As electrokinetic analyzers, they employ the classic streaming potential and streaming current method for a direct analysis of the surface zeta potential. The zeta potential is related to the surface charge at a solid/liquid interface and is a key parameter for understanding surface properties and developing new specialized materials. 

Key features

Solid surface charge analysis made easy

Solid surface charge analysis made easy

The SurPASS 3 series allows for direct analysis of the zeta potential at the solid/liquid interface by means of streaming potential and streaming current measurement. This gives access to the full range of zeta potential of technical materials down to a few millivolts at unprecedented reliability and reproducibility. Gain instant access to information on surface charge without the need for sophisticated evaluation or expert knowledge. 

Measuring solutions from tiny particles to large wafers

Measuring solutions from tiny particles to large wafers

The wide range of SurPASS 3 measuring cells covers it all: Elaborate measuring cells accommodate samples of any geometry ranging from powders and fibers to planar solids. Sample-specific measuring cells for contact lenses, hollow fiber membranes, flexible tubings, syringes, and vials open up surface charge analysis on samples with complex geometries. The “plug in and start” functionality allows for a quick exchange of measuring cells. The software automatically recognizes the measuring cells and displays the zeta potential.

Fully automated measurements in less than two minutes

Fully automated measurements in less than two minutes

The intuitive SurPASS 3 software guides you through the measurement and displays all key parameters in real-time. The SurPASS 3 series provides zeta potential results in less than two minutes for maximized sample throughput. SurPASS 3 allows you to study pH dependences of zeta potential fully automatically and reveals the isoelectric point for a deep understanding of your sample’s chemistry. Liquid-on-solid surface adsorption kinetics can also be followed in real-time on model surfaces and on your actual sample.

Modular setup tailored to your needs

Modular setup tailored to your needs

The SurPASS 3 series is just as versatile as your applications. Dedicated solutions are available for membrane applications, biomaterials, cosmetics, detergents, and semiconductors. Whether you are working on porous materials, such as membranes, or non-porous films and plates, particles >25 µm, granular material, fibers, or materials which swell strongly or are conductive: there are no restrictions. The modular setup of the instrument and measuring cells allows you to easily extend your zeta potential analysis to cover tomorrow’s needs.

Technical specifications

  SurPASS 3 SurPASS 3 Eco
Measuring range
Streaming potential ±2000 mV ± (0.2 % + 4 µV)
Streaming current ±2 mA ± (0.2 % + 1 pA)
Cell resistance 5 Ω to 20 MΩ ± (2 % + 0.5 Ω)
Pressure measurement 3500 mbar ± (0.2 % + 0.5 mbar) 1200 mbar ± (0.2 % + 0.5 mbar)
External pressure supply (compressed N 2) is
required for differential pressure > 1200 mbar.
pH value pH 2 to pH 12
Conductivity 0.1 mS/m to 1000 mS/m
Temperature 20 °C to 40 °C
Temperature control option is available.
Sample size requirements
Porous films, foils, or plates Rectangular-shaped: 20 mm x 10 mm (max. thickness: 2 mm )
Disk-shaped: 14 mm or 15 mm in diameter (max. thickness: 2 mm)
Non-porous films, foils, or plates Rectangular-shaped: 20 mm x 10 mm (max. thickness: 2 mm),
or min. 35 mm x 15 mm (max. thickness: 40 mm)
Disk-shaped: 14 mm or 15 mm in diameter (max. thickness: 2 mm) or
min. 17 mm in diameter (max. thickness: 40 mm)
Particles Particle size: min. 25 µm
Fibers Min. 100 mg
Fabrics Min. 30 mm x 30 mm 
Hollow-fiber membranes Length: min. 170 mm
Ceramic membranes Flat sheet: 14 mm in diameter
Single channel: outer diameter 10 mm or 13 mm
Multichannel: outer diameter 25 mm or 30 mm
Cylindrical cores Height: max. 4 inch
Diameter: 1 inch
Flexible tubing Length: min. 100 mm
Outer diameter: 0.7 mm to 6 mm
Pre-filled syringes Syringe barrel “1.0 ml long” (ISO 11040-4)
Technical requirements
Mains supply AC 115 to 230 V, 50 to 60 Hz, 200 VA
Dimensions 600 mm x 432 mm x 245 mm (D x W x H)
Footprint: 612 mm x 536 mm (D x W) 
Clearance: 360 mm
Weight 26 kg 24 kg
Software requirements Microsoft Windows® 7 32/64 bit with SP1 or later is required.
Windows 7 Starter is not supported.
Microsoft Windows® 8 32/64 bit
Microsoft Windows® Server 2008/2008 R2 32/64 bit with
Service Pack 2 or higher is required for Windows Server 2008
Microsoft Windows® 10 32/64 bit
 
Intel® Core™ i3 CPU
4 GB RAM (depends on operating system)
20 GB free disk space
1 free USB port
Screen resolution of at least 1024 x 768 at True Color (32 bit)

Anton Paar Certified Service

The Anton Paar quality in service and support:
  • More than 350 manufacturer-certified technical experts worldwide
  • Qualified support in your local language
  • Protection for your investment throughout its lifecycle
  • 3-year warranty
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