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Force Tensiometers of the DCAT series

The dynamic contact angle measuring devices and force tensiometers of the DCAT series are universal measuring devices, that allow to investigate numerous surface and interfacial properties (see introduction to tensiometry). Due to the compact and modular product design it is possible to find an individual and best suited combination of device model and accessories for any task.

Highest precision and reproducibility of the measuring results is guaranteed by well-established measuring techniques and weighing technology. Due to state of the art electronic components all DCAT models offer an especially fast and precise actuator, an automatic crash protection and can be operated intuitively via the TP 50 control panel.

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Implementing DataPhysics Instruments OCA and DCAT equipment has significantly advanced our understanding of the wetting of surface engineered materials. Using these devices for a number of years, this has culminated in highly mutual beneficial research collaborations with DataPhysics Instruments, working on different applications for wettability leading to the production of high quality, international journal papers and conference papers.

D.G. Waugh

Associate Professor, Coventry University

Application video: Basic tensiometry using a Du Noüy ring

Application video: Basic tensiometry using a Du Noüy ring

Application video: Basic tensiometry using a Du Noüy ring

Application video: Basic tensiometry using a Du Noüy ring

Application video: Water Adhesion on Plant Leaves

Application video: Water Adhesion on Plant Leaves

Application video: Langmuir trough module for tensiometers

Application video: Langmuir trough module for tensiometers

DCAT 8T

The DCAT 8T is the powerful entry level model for the weight-based measurement of surface and interfacial tension and the density of liquids and solids. In order to measure temperature dependent properties the DCAT 8T features an integrated digital thermometer and a liquid temperature control unit TV 70.

Main features

  • electrodynamic compensation weighing system with automatic and manual calibration function
  • software controlled, motor-driven height positioning of the sample receptacles with variable speed
  • automatic coupling lock for the balance
  • automatic crash protection for measuring probes during measurement
  • illuminated sample chamber
  • integrated magnetic stirrer
  • digital thermometer with connections for two Pt 100 temperature sensors
  • liquid temperature control unit TV 70 with Pt 100 probe

Software

The DCATSoftware is available in various independently usable modules. The available software modules for the DCAT 8T are:

Learn more about the DCATS modules.

Accessories

Due to the modular product design the DCAT 8T can be combined with a multitude of options of the versatile DCAT accessories range. Learn more about the available accessories.

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Determination of the surface tension using a DCAT 8T with Wilhelmy plate PT 11

Determination of the surface tension using a DCAT 8T with Wilhelmy plate PT 11

DCAT 15

The DCAT 15 enables additional measuring methods and hence can be used to determine dynamic contact angles, the surface energy of solids or sedimentation and penetration properties. In addition the DCAT 15 can be extended with a liquid dosing unit LDU 25 and can thus create sequential concentration series of, for example, surfactant solutions. Without manual user intervention the critical micelle concentration (CMC) can be determined software controlled in a series of experiments.

Main features

  • electrodynamic compensation weighing system with automatic and manual calibration function
  • software controlled, motor-driven height positioning of the sample receptacles with variable speed
  • automatic coupling lock for the balance
  • automatic crash protection for measuring probes during measurement
  • illuminated sample chamber
  • integrated magnetic stirrer
  • digital thermometer with connections for two Pt 100 temperature sensors
  • compatible with the liquid dosing unit LDU 25

Software

The DCATSoftware is available in various independently usable modules. The available software modules for the DCAT 15 are:

Learn more about the DCATS modules.

Accessories

Due to the modular product design the DCAT 15 can be combined with a multitude of options of the versatile DCAT accessories range. Learn more about the available accessories.

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DCAT 15 with LDU 25

DCAT 15 with LDU 25

LDU 25 with SH-LDU and RRS 25

LDU 25 with SH-LDU and RRS 25

DCAT 25

The dynamic contact angle measuring device and force tensiometer DCAT 25 is the multifunctional all-round instrument of the DCAT series. The weighing system is even more precise than that of the DCAT 9 and 15 and hence offers highest accuracy for the determination of surface and interfacial tension. A completely closed sample chamber enables measurements under inert gas or ionized atmosphere as well as with controlled relative humidity.

Due to the longer travel distance of the sample stage, an electrical temperature control unit can be mounted inside the DCAT 25 which makes measurements at temperatures of up to 300 °C possible. Moreover the Langmuir trough module can be used to investigate the surface pressure and the interfacial rheology of monolayers. The upgrade video system provides the opportunity to record video-sequences during force of adhesion measurements and to evaluate contact angle, contact area etc. in addition to the force. The optional TP 50 control panel with touch screen and precision control wheel ensures an intuitive and fast device control even during complex measurements.

Main features

Software

The DCATSoftware is available in various independently usable modules. The available software modules for the DCAT 25 are:

Learn more about the DCATS modules.

Accessories

Due to the modular product design the DCAT 25 can be combined with a multitude of options of the versatile DCAT accessories range. Learn more about the available accessories.

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We use the DCAT tensiometer in battery research. It provides us with precise wetting data, for example of liquid alkali metals. We are very satisfied with the tensiometer's user-friendliness and with the customer support from DataPhysics.

Original quote (Deutsch)

Wir nutzen das DCAT Tensiometer in der Batterieforschung. Es liefert uns präzise Benetzungsdaten, zum Beispiel von flüssigen Alkalimetallen. Wir sind mit der Bedienungsfreundlichkeit des Tensiometers und dem Kundensupport von DataPhysics sehr zufrieden.

Dr. Gustav Graeber

Principal Investigator, Graeber Lab for Energy Research, Humboldt-Universität zu Berlin

DCAT 25 with Peltier temperature control unit TV 50-P, temperature controller TC-U and TP 50 control panel

DCAT 25 with Peltier temperature control unit TV 50-P, temperature controller TC-U and TP 50 control panel

Upgrade video system UpVideo DCAT

Upgrade video system UpVideo DCAT

Upgrade video system UpVideo DCAT

Upgrade video system UpVideo DCAT

Application video: Water Adhesion on Plant Leaves

Application video: Water Adhesion on Plant Leaves

DCAT 25SF

The DCAT 25SF incorporates a weighing system of highest accuracy with a resolution of 0.1 μg which allows to measure even on single fibers. As an ideal single fiber force tensiometer the DCAT 25SF is not limited to this very special purpose due to the modular design of the product line.

Main features

  • electrodynamic compensation weighing system of highest resolution with automatic and manual calibration function
  • software controlled, motor-driven height positioning of the sample receptacles with variable speed
  • automatic coupling lock for the balance
  • automatic crash protection for measuring probes during measurement
  • closed illuminated sample chamber
  • digital thermometer with connections for two Pt 100 temperature sensors
  • includes a TP 50 control panel with touch screen and precision control wheel
  • compatible with the liquid dosing unit LDU 25
  • compatible with the Langmuir trough module LTMr

Software

The DCATSoftware is available in various independently usable modules. The available software modules for the DCAT 25SF are:

Learn more about the DCATS modules.

Accessories

Due to the modular product design the DCAT 25SF can be combined with a multitude of options of the versatile DCAT accessories range. Learn more about the available accessories.

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Measurement at a fiber with the DCAT 25SF

Measurement at a fiber with the DCAT 25SF

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