Profile Analysis Tensiometers
Advanced instruments for surface and interfacial characterization.
Contact Angle Module
CA-1M
Professional surface wettability analysis.
The CA-1M extends the PAT-1M with high-precision contact angle analysis for sessile and pendant drops. Combining industrial CMOS imaging, precision mechanics and advanced image evaluation, it enables reliable characterization of surface wettability, cleanliness and surface free energy.
2°–178°
Contact angle range
2048 × 1536
CMOS resolution
PAT-1M
Compatible platform
The CA-1M module
Precise contact angle analysis for advanced surface characterization.
The CA-1M combines high-resolution optical imaging with precision mechanics to determine static and dynamic contact angles on solid surfaces. By accurately evaluating the shape of sessile drops, the system provides quantitative information about wettability, surface cleanliness and surface free energy.
An industrial CMOS camera, precision manual x/y/z positioning stage and stable liquid dispensing system ensure reproducible measurements for research, material development and industrial quality control.
Measurement capabilities
Advanced oscillating drop and bubble analysis.
Explore the experimental capabilities of the CA-1M.
Determine static and dynamic contact angles from sessile drop profiles to quantify surface wettability and liquid–solid interactions.
Calculate the surface free energy of solid materials using established evaluation methods based on contact angle measurements with selected test liquids.
Capture sessile and pendant drop profiles with an industrial USB 3.0 CMOS camera for fast online fitting and detailed analysis of dynamic wetting processes.
Align samples and measurement cells accurately using a stable manual x/y/z stage with fine mechanical adjustment.
Generate stable and reproducible test drops using the integrated dosing system for consistent contact angle and surface energy measurements.
Detect changes in wettability caused by contamination, cleaning, coating or surface treatment through quantitative contact angle measurements.
Performance
Technical performance at a glance.
Key operating parameters and measurement capabilities of the CA-1M.
2°–178°
Contact angle range
Measure static and dynamic contact angles across a wide wettability range with an accuracy of ±0.3°.
3.1 MP
Industrial CMOS camera
High-resolution USB 3.0 imaging enables fast contour detection and precise sessile and pendant drop analysis.
32/s
Real-time fitting
Perform fast online image fitting with up to 32 measured and fitted drop profiles per second.
PAT-1M
Modular platform
Expand the PAT-1M with professional contact angle analysis while maintaining compatibility with additional measurement modules.
Values may depend on configuration, measurement mode and optional modules.
Measurement principle
Understanding surface wettability through drop shape analysis.
The CA-1M determines the contact angle by analyzing the shape of a sessile drop resting on a solid surface. The equilibrium between surface tension, gravity and the interaction between the liquid and the substrate defines the drop profile, allowing accurate determination of surface wettability and surface free energy.
Measurement principle
Sessile drop analysis
Optical system
Industrial CMOS imaging
Scientific output
Wettability & surface free energy
Compatible instrument
Designed exclusively for the PAT-1M platform.
The CA-1M is an integrated expansion module for the PAT-1M Profile Analysis Tensiometer. It combines precision optics, industrial CMOS imaging and advanced contact angle evaluation with the modular flexibility of the PAT-1M research platform.
Applications
Surface characterization across science and industry.
The CA-1M supports quantitative wettability analysis for research, material development and industrial quality control. Contact angle measurements provide valuable insight into surface chemistry, cleanliness and coating performance.
Scientific publications
Research
Publications and scientific references related to interface characterization.
Supporting advanced surface characterization.
The CA-1M is widely used for investigations of surface wettability, contact angle analysis, surface free energy and coating performance across research and industrial applications. Explore scientific publications using the CA-1M and related contact angle methods.
Our publication database identifies verified studies performed with SINTERFACE instruments.
Technical information
Detailed performance and system specifications.
Explore the measurement capabilities, optical system, software functions and technical specifications of the CA-1M Contact Angle Module.
Static contact angle measurements
Dynamic contact angle measurements
Sessile drop analysis
Pendant drop analysis
Surface and interfacial tension
Surface free energy determination
Dilatational elasticity and viscosity (optional)
Compatible with DPA-1M, ODBA-1M, DBMM-1M, CCS and SOA modules
Contact angle analysis
- Measurement range
- 2°–178°
- Accuracy
- ±0.3°
Surface & interfacial tension
- Measurement range
- 1–2000 mN/m
- Resolution
- 0.01 mN/m
Optics & camera
- Camera
- Industrial 3.1 MP CMOS (USB 3.0)
- Resolution
- 2048 × 1536 px
- Frame rate
- Up to 1500 fps
Manual x/y/z positioning stage
Automatic dosing system
Industrial CMOS camera
Fixed or zoom objectives
Software-controlled LED illumination
Temperature-controlled measurement cell (optional)
PAT-1M optical platform
Real-time contact angle calculation
Automatic drop fitting
Surface free energy evaluation
Automatic image acquisition
Semi-automatic focusing
Real-time surface tension analysis
Experimental data export
System data
- Dimensions
- 700 × 200 × 270 mm
- Weight
- 18 kg
- Power supply
- 100–240 VAC to 24 VDC
- Power consumption
- 40 W
Temperature-controlled cells
Additional dosing systems
Coaxial capillary system
Liquid exchange cell
Piezo control unit
Special contact angle cells
High-temperature cells
Specifications may vary depending on configuration, software version and optional modules.
Downloads
Documentation and technical resources.
Access operating instructions, technical documentation and supporting resources for the CA-1M Contact Angle Module.
Additional manuals and software downloads are available through the SINTERFACE customer portal.
Visit download centerCA-1M
Expand the PAT-1M with professional contact angle analysis.
Discuss your wettability studies, material characterization and measurement requirements with our specialists. The CA-1M integrates seamlessly into the modular PAT-1M platform for advanced surface analysis.
Application consultationConfiguration supportGlobal technical assistance