
Profile Analysis Tensiometers
Advanced instruments for surface and interfacial characterization.
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Profile Analysis Tensiometer
The PAT-2S combines precision optical analysis with a fully integrated embedded computer, intuitive touchscreen operation and advanced network connectivity. Designed for modern laboratories, it delivers highly reproducible characterization of surface and interfacial phenomena within one modular research platform.

7"
Integrated touch display
LAN / WLAN
Remote connectivity
3.1 MP
High-resolution CMOS camera
The PAT-2S platform
The PAT-2S combines precise optical analysis, automated dosing and advanced instrument control within a fully integrated stand-alone platform.
From surface and interfacial tension to contact angle measurements and interfacial rheology, the PAT-2S supports demanding research and industrial workflows with intuitive touchscreen operation and modern network connectivity.
Capabilities
Discover the measurement capabilities and integrated technologies of the PAT-2S.

Analyze liquid-gas and liquid-liquid interfaces through precise drop and bubble shape evaluation. The PAT-2S supports reliable static and dynamic measurements across a broad range of experimental conditions.
Characterize wettability, adhesion and energetic surface properties using static and dynamic contact angle methods with precise optical contour analysis.
Investigate dilational elasticity, interfacial viscosity and relaxation processes through controlled drop and bubble oscillations.
Operate the PAT-2S as a fully integrated measurement system with embedded computer, intuitive touchscreen control and direct access to measurement, evaluation and data management functions.
Control measurements directly on the instrument or remotely through the laboratory network. Integrated workflows support dosing, image acquisition, contour analysis and advanced data evaluation.
Performance
The PAT-2S combines high-resolution imaging, precise mechanics and advanced analysis software to deliver reliable measurement data for demanding interface research.
1–2000mN/m
High-precision measurements with a resolution of ±0.01 mN/m.
1°–179°
Static and dynamic contact angle measurements with an accuracy of ±0.2°.
3.1 MP
2048 × 1536 px resolution with frame rates up to 1500 images per second.
Stand-alone
Operate via the integrated touchscreen, keyboard and mouse, or remotely via PC and Android devices.
Values may depend on configuration, measurement mode and optional modules.
Measurement principle
The PAT-2S captures the contour of a drop or bubble with high optical precision. Advanced image analysis and Young-Laplace evaluation transform the recorded geometry into quantitative information about surface tension, interfacial tension, contact angle and interfacial rheology. The integrated measurement platform ensures reproducible data acquisition and efficient experimental workflows.

Optical acquisition
3.1 MP CMOS camera
Evaluation
Young-Laplace analysis
Results
Quantitative interface data
Expandability
The PAT-2S is designed as a flexible research platform. A growing range of accessories and future measurement modules will extend its capabilities for specialized applications.

Accessory
A wide range of precision capillaries for surface tension, interfacial tension and specialized measurement applications.
Learn more

Accessory
Specialized capillary system for advanced drop and bubble experiments.
Learn morePAT-2S Configurator
Select the appropriate optics, dosing systems, accessories and measurement options for your application. The configurator guides you through the available configurations and prepares a complete quotation request.


Capillaries
Precision glass capillaries

Glass Syringes
High-precision dosing

Coaxial Capillary
Specialized measurements
Modular system
Select modules, options and accessories individually.
Applications
The PAT-2S supports advanced interface characterization across research, development and quality control environments.
Scientific publications
Thousands
Publications and scientific references related to interface characterization.
Explore peer-reviewed research related to profile analysis tensiometry, interfacial rheology, wetting, surface free energy and advanced interface characterization.
Verified SINTERFACE instrument use will be clearly distinguished from recommended scientific literature.
Technical information
Explore measurement capabilities, system configurations and technical specifications of the PAT-2S platform.
Surface and interfacial tension
Contact angle
Surface free energy
Dilational elasticity and viscosity
Drop and bubble oscillations
1 GB Ethernet
3 × USB 2.0
WiFi (optional)
DisplayPort (DVI / HDMI)
Standalone or PC operation
Android remote control
Temperature-controlled measurement cell
Additional dosing systems
Coaxial double capillary
Liquid exchange cell
Piezo control unit
Special contact angle cell
High-temperature cells
Specifications may vary depending on configuration, software version and optional modules.
Downloads
Access product information, technical documentation and supporting materials for the PAT-2S.
Additional manuals and software downloads are available through the SINTERFACE customer portal.
Visit download centerPAT-2S
Talk to our specialists about your application, measurement requirements and the right PAT-2S configuration for your laboratory.