Product Type: Mobile Surface Analyzer

Manufacturer: KRÜSS

Measured Parameters: Contact angle, surface free energy (SFE), surface tension

Measurement Method: Automated drop shape analysis

Operation: Fast, user-independent, non-destructive measurements

Measurement Speed: Results in seconds

Mobility: Portable instrument for on-site and in-line quality control

Sample Types: Solids, coatings, finished parts, large workpieces

Measurement Capacity: Up to 20 consecutive measurements with grouped results

Applications:

• Wettability testing before coating or bonding

• Quality assurance of plasma, flame, or corona treatment

• Surface cleanliness verification

• Hydrophobic and surface treatment effectiveness

• On-site measurements on large or finished products (automotive, aerospace, construction)

🔹 MSA Flexible Liquid

Mobile Surface Analyzer for Custom Liquid Applications

Description:

The MSA Flexible Liquid configuration enables automated contact angle measurements using freely selectable liquids, such as inks, coatings, or adhesives. This allows realistic evaluation of wetting behavior under actual production conditions, making it ideal for R&D, process optimization, and quality control.

Key Capabilities:

Liquids: Custom and standard liquids

Measurement Methods:

• Contact angle of a drop on a solid surface

• Surface free energy (SFE) calculation

• Surface tension from drop curvature

Results:

• Static contact angle

• Surface free energy (SFE) using OWRK, Fowkes, Wu, Zisman, Equation of State

Applications:

• Wetting behavior of paints, coatings, inks, and adhesives

• Wettability testing of plastics, glass, ceramics, wood, paper, and metals

• Quality control of surface activation processes

• Measurements on large and finished components

🔹 MSA One-Click SFE

Mobile Surface Analyzer for Fast, Automated SFE Measurement

Description:

The MSA One-Click SFE configuration is designed for maximum speed and standardization in surface wettability testing. With a single click, the system doses two test liquids simultaneously, measures their contact angles, and calculates the surface free energy (SFE) within one second—completely eliminating user influence.

Key Capabilities:

Liquids: Two standard test liquids (simultaneous dosing)

Measurement Methods:

• Simultaneous contact angle measurement of two drops

• Surface free energy (SFE) determination

• Surface tension via drop curvature

• Batch measurements up to 20 cycles

• Remote control and automation via ADVANCE software

Results:

• Contact angles of two liquids

• Surface free energy (SFE) using OWRK, Fowkes, Wu, Zisman, Equation of State

• Work of adhesion

• Interfacial tension

• Spreading coefficient

Applications:

• Wettability verification before coating or bonding

• Quality assurance of surface activation treatments

• Surface cleanliness checks

• Hydrophobic coating performance

• Large and finished product inspection