DCAT – Dynamic Contact Angle measuring devices and Tensiometer

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Contact Angle & Surface Tension Tensiometry & Surface/Interfacial Tension Measurement

DCAT – Dynamic Contact Angle measuring devices and Tensiometer

Part Number: DCAT

The versatile DCAT Series combines dynamic contact angle measuring devices and force tensiometers to evaluate a wide range of surface and interfacial properties—from surface tension and wettability to adhesion, liquid density, micelle formation, and more. Its modular design enables customization with accessories such as dosing units, temperature controls, video systems, and Langmuir troughs—tailored precisely to your measurement need.

                                                
                                                    Ultra-Precise Weighing & Force Sensing                                                
                                            
                                                Electrodynamic compensation balances offer resolutions from 0.1 μg to 100 μg, enabling highly accurate measurements on single fibers, films, or bulk liquids—ensuring the utmost precision.

                                                
                                                    Automatic & Safe Sample Handling                                                
                                            
                                                Motor-driven height adjustment and automatic crash protection help prevent sample damage. A coupling lock secures the balance mid-measurement, enhancing reproducibility and protecting sensitive probes .

                                                
                                                    Modular for Diverse Applications                                                
                                            
                                                "Choose from models such as:

DCAT 8T / 9T for basic surface/interfacial tension,

DCAT 15 for contact angle and density,

DCAT 25 for advanced functions including dynamic angle, density, adhesion, CMC, sedimentation, penetration, and Langmuir applications,

DCAT 25SF with ultra-high resolution for single-fiber testing"

                                                
                                                    Advanced Software Suite (DCATS Modules)                                                
                                            
                                                "Software modules include:

DCATS 31 – Surface/interfacial tension (Du Noüy & Wilhelmy),

DCATS 32 – Dynamic contact angle,

DCATS 33 – Critical micelle concentration,

DCATS 34–38 – Liquid/solid density, sedimentation, adhesion, surface pressure,

with video and tracing support for dynamic studies "

                                                
                                                    Environmental & Thermal Control Ready                                                
                                            
                                                Upgradable with Peltier (–15 to 135 °C) or electric (room–300 °C) temperature units, plus video optics and Langmuir troughs for full surface chemistry control

Specification	Value
Weighing Resolution	0.1 μg (DCAT 25SF) – 100 μg (other models)
Weighing Range	1 μg – 210 g (varies by model)
Surface/Interfacial Tension Range	1 – 2000 mN/m; resolution ±0.0001–0.01 mN/m
Dynamic Contact Angle Range	0 – 180°; resolution ±0.01°
Density Measurement Range	Liquids/solids 0.001–2.50 g/cm³; resolution ±0.001 g/cm³
Sample Height Travel & Speed	e.g. DCAT 15: 80 mm travel, 46 nm/s–12 mm/s resolution 24 nm
Temperature Control Options	–15…135 °C (Peltier); RT–300 °C (electric)
Software Modules	DCATS 31–38: surface, angle, CMC, density, sedimentation, adhesion, pressure
Accessories	LDU dosing, UpVideo, TEC units, Langmuir module, TP50 touchscreen
Sample Chamber Features	Illuminated, closed, inert gas-compatible
Interface Control	TP50 touchscreen; software-controlled via PC