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SurPASS™ 3 Eco

Full description
• 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

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.

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
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
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
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.
Product specification
Model 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 … 20 MΩ ± (2 % + 0.5 Ω)
Pressure  1200 mbar ± (0.2 % + 0.5 mbar)
measurement  
pH value pH 2 … pH 12 
Conductivity 0.1 ... 1000 mS/m
Temperature 20 … 40 °C
Sample size requirements
Porous films, foils,  Rectangular-shaped: 20 mm x 10 mm (max. thickness: 2 mm )
or plates Disk-shaped: 14 mm or 15 mm in diameter (max. thickness: 2 mm)
Non-porous films, Rectangular-shaped: 20 mm x 10 mm (max. thickness: 2 mm) or
foils, or plates 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  Length: min. 170 mm
membranes  
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)
Vials  2R/4R vials (ISO format), outer diameter 16 mm
 Technical Requirements 
Mains supply AC 115…230 V, 50…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 24 kg
Software  • Microsoft Windows® 7 32/64 bit with SP1 or later is 
requirements 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)
Downloads
SurPASS_TM__3_Eco_screen.pdf
Multimedia
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To get information about: «SurPASS™ 3 Eco» contact us by phone (044) 229 15 31 or fill in the form.
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