OCA 15EC
Whether your application demands the evaluation of contact angle or drop shape, the video-based optical contact angle measuring system, OCA 15EC, is the instrument of choice where initial budgets are limited. The single direct dosing system, SD-DM, together with the electronic dosing unit, ES (both included within the 'system' configured, under the OCA 15EC part number) enable the precise and accurate handling and dosing of liquids.

Features of the basic instrument configuration:

The horizontal position of the sample table (in the plane of the optical path) is manually adjustable via our magnetic slide system. Movement in the vertical (Z-azis) direction can be achieved via precise adjustment of the hand wheel.

High performance 6x parfocal zoom lens, with integrated continuous fine focus, and adjustable observation and camera tilt angle.

Video measuring system with USB camera (max. 87 images/s sample rate).

Lighting of the optical path, with adjustable intensity without hysteresis.

Single direct dosing system, SD-DM, for use with standard and disposable syringes and needles.

One electronic dosing unit, ES, with software controlled adjustable dosing volume (min. 50 nl) and dosing rate (0.06 l/s 26.4 l/s).

     
 



 

OCA 25
he OCA 25 is the all-purpose measuring device for contact angle measurements and the drop shape analysis. For large samples the OCA 25L is equipped with long x- and y-axis. To cope with special requirements of the measuring environment e.g. for aeronautic or enhanced oil recovery research, special models of the OCA 25 are available to measure at high temperatures, low or high pressures. The OCA 25-HTV 1800 allows for measurements of contact angles in a high temperature furnace at temperatures of up to 1800 C and under vacuum down to 10-5 mbar or inert gas atmosphere respectively The OCA 25-PMC 750 allows for measurements of interfacial tension and contact angles under high pressure (up to 750 bar) and high temperature conditions (up to 200 C).

Features of the basic instrument configuration:

sample table adjustable in all three axis with precision mechanics

high performance 6-times zoom lens

integrated continuous fine focus, and adjustable observation angle

video measuring system with USB 3.0 camera (max. 1220 frames/s), high-speed camera easily upgradable (up to 3000 frames/s)

LED-lighting with manual and software controlled intensity including automatic temperature drift compensation

     
 



 

OCA 25 - PMC 750
The high pressure measuring system OCA 25-PMC 750 is a special model of the OCA 25 for measurements of interfacial tension and contact angles under high pressure and high temperature conditions. Measurements under pressures of up to 750 bar (10878 psi) and temperatures of up to 200 C are possible. It is the ideal solution to investigate e.g. the interfacial tension between surfactant solution and crude oil or the contact angle between rock and oil under reservoir conditions.

The OCA 25-PMC 750 consist of the following components:

The high pressure chamber with optical sapphire glass

high pressure unit for generation and control of bulk liquid pressure and drop liquid pressure

temperature controller for control of chamber temperature

removable magnetic positioning system for solid samples

a set of needles with different diameters for various interfacial tension ranges

optical measuring system with adjustable observation angle and focus

LED-lighting with manual and software controlled intensity without hysteresis

     
 



 

OCA 25-HTV 1800
The video-based optical contact angle measuring system OCA 25-HTV 1800 is a device for measurements of contact angles at high temperatures of up to 1800 C and under vacuum down to 10-5 mbar or inert gas atmosphere respectively. Being able to measure contact angles and the wetting behaviour under high temperature and low pressure atmosphere offers new unique insights for materials which are for example used in aeronautics. With the optional dosing system the OCA 25-HTV 1800 can additionally be used at room temperature to feature all standard measurements, like surface free energies and interfacial tension.

OCA 25-HTV 1800 consist of the following components:

high temperature furnace up to 1800 C

vacuum tight flanges with connectors to an optional turbomolecular pump for low pressures down to 10-5 mbar (flanges require a water counter cooling)

inlets and gas supply system for Ar and N2

high power supply and control electronics

optical measuring system with adjustable observation angle, focus and zoom extender

LED-lighting with manual and software controlled intensity without hysteresis.

     
 



 

OCA 50
The OCA 50 is the measuring device for the fully automatic, time-saving analysis of the wettability of solid surfaces and the determination of the surface free energy of solids. Due to the motorized sample table, measuring procedures can be automated easily and thus the surface properties of objects, e.g. large area wafers, can be analysed at the push of a button.

Features of the basic instrument configuration:

The sample table with motorized, software controlled X-, Y- and Z-axis

high performance 6-times zoom lens

integrated continuous fine focus, and adjustable observation angle

intuitive control panel with touch screen TP 50 for all electric components

video measuring system with USB 3.0 camera (max. 1220 frames/s), high-speed camera easily upgradable (up to 3000 frames/s)

LED-lighting with manual and software controlled intensity including automatic temperature drift compensation

     
 



 

OCA 100 / 100 Micro
The OCA 100 is the measuring device for the fully automatic, time-saving analysis of the wettability of solid surfaces and the determination of the surface free energy of solids. Due to the motorized sample table, measuring procedures can be automated easily and thus the surface properties of objects, e.g. large area wafers, can be analysed at the push of a button. The OCA 100 features an auto focus optics which ensures a reliable image sharpness even during unattended operation. The modular design of the measuring optics allows for an easy exchange of the ancillary lens of the OCA 100. The OCA 100Micro comprises in addition to a 2-times ancillary lens a 20-times ancillary lens. This results in a maximal 50fold magnification. For this reason the OCA 100Micro is the ideal measuring device for the reproducible measurement of the wetting behaviour of both microscopic and macroscopic structures.

Features of the basic instrument configuration:

sample table with motorized, software controlled X-, Y- and Z-axis

high performance 7-times zoom lens and 2-times (OCA 100) or 20-times (OCA 100Micro) ancillary lens

software controlled optics alignment for auto focus and adjustment of the observation angle

intuitive control panel with touch screen TP 50 for all electric components

video measuring system with USB 3.0 camera (max. 1220 frames/s), high-speed camera easily upgradable (up to 3000 frames/s)

LED-lighting with manual and software controlled intensity including automatic temperature drift compensation

     
 



 

DCAT 9
The DCAT 9 is the powerful fully automated tensiometer for the weight-based measurement of surface and interfacial tension and the density of liquids and solids. The DCAT 9T features an additional digital thermometer and a liquid temperature control unit TV 70 instead of the standard sample vessel holder SVH 50/70.


Features of the basic instrument configuration:

high-precision electrodynamic compensation weighing system with automatic and manual calibration

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

calculation illuminated sample chamber

integrated magnetic stirrer

standard sample vessel holder SVH 50/70 (DCAT 9)

liquid temperature control unit TV 70 with Pt100 probe (DCAT 9T)

digital thermometer with connections for two Pt100temperature sensors (DCAT 9T)

     
 



 

DCAT15
The dynamic contact angle measuring instrument and tensiometer DCAT 15 is the standard instrument for the weight-based measurement of contact angle, surface and interfacial tension, critical micelle formation concentration, density, sedimentation and penetration.

Features of the basic instrument configuration:

high-precision electrodynamic compensation weighing system with automatic and manual calibration

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 stirre

digital thermometer with connections for two Pt100 temperature sensors

     
 



 

DCAT 21
The dynamic contact angle measuring instrument and tensiometer DCAT 21 is the multifunctional instrument for the weight-based measurement of contact angle, surface and interfacial tension, critical micelle formation concentration, density, sedimentation, penetration, adhesive force and surface pressure.

Features of the basic instrument configuration:

high-precision electrodynamic compensation weighing system with automatic calibration

software controlled, motor-driven height positioning of the sample receptacles with variable speed

automatic coupling lock for the balance illuminated sample chamber with inert gas or vapor inlet integrated magnetic stirrer

digital thermometer with connections for two Pt100 temperature sensors

expandable with special accessories like video system and Langmuir through module

     
 



 

DCAT21 SF
The dynamic contact angle measuring instrument and tensiometer DCAT 21SF is a special variant of the successful DCAT 21. It includes a balance with even higher accuracy to provide a resolution of up to 0.1 g during measurements with single fibres. Please note that the high resolution balance requires a vibration free environment.

Features of the basic instrument configuration:

high precision electrodynamic compensation weighing system, designed for measurements with single fibres, with automatic calibration and max.

resolution of 0.1 ug software controlled, motor-driven height positioning of the sample receptacles with variable speed

automatic coupling lock for the balance illuminated sample chamber with inert gas or vapor inlet

integrated magnetic stirrer digital thermometer with connections for two Pt100 temperature sensors

display for weighing data, temperature and device information

expandable with special accessory Langmuir through module

     
 

 

PCA 100M
Whether it be for large or small substrate areas, the PCA 100M is the ideal, handheld, portable instrument for controlling the qualities of coatings, examining the surface energies of pre-treated polymer films in the production process, or testing the qualities of cleaned or adhesion promoted glass surfaces, prior to the next processing stage. The compact design and the plug and play connectivity, to any notebook or on-site available PC, without the need for a special frame grabber, enables the measurement of surface properties almost everywhere ? including use in cleanrooms (US FED STD 209E cleanroom standard class 10).

Features of the basic instrument configuration:

High-performance telecentric lens with integrated aperture and adjustable observation angle.

Video measuring system (max. 50 images/s sample rate). Software controlled continually adjustable back lighting, without hysteresis.

Integrated multiple dosing system, with either two dosing needles (PCA 100M/2) or four dosing needles (PCA 100M/4), for software controlled automatic needle selection and positioning.

Integrated automatic refill system with flushing and cleaning functions for dosing up to 5000 drops per filling and per liquid receptacle.

Power supply with automatic voltage adjustment.

     
 

 

Robotically guided contact angle measuring instrument for process control.
In combination with the single and multi axis cartesian robots of the RCC series, the PCA 100R contact angle measuring instrument is a specialised system for measuring wetting properties on substrates of very large surface areas, on site, during the production process. The fully automatic instrument enables the removes operator variability and other subjective factors and of the time necessary for the contact angle measurement.

Some important applications for the robotically guided PCA 100R are:

determination of the surface cleanliness of wafers and glass substrates for flat screens before the next manufacturing step.

examining the surface energies of pre-treated polymer films in the production process.

development of high-performance composites.

surface finishing and the cleaning of textiles. The PCA 100R and the robots of the RCC series are designed for the usage in cleanrooms according the US FED STD 209E cleanroom standard class 10.

Features of the basic instrument configuration:

measuring head with integrated optics, illumination and multiple dosing unit.

high-performance telecentric lens with integrated aperture and adjustable observation angle.

video-based measuring system with high-resolution CCD camera and high-performance digitizing adapter.

software controlled continuous adjustable intensity without hysteresis for a homogeneous back lighting.

automatic needle selection and positioning.

     
 



 

Spinning Drop Video SVT 20N
The spinning drop video tensiom eter SVT 20N is a special-purpose optical instru- ment for measuring high to extremely low interfacial tensions. The control soft- ware is designed for ease of use and fast access to all control elements. Combined with the software packages SVTS 20 and SVTS 21 the SVT 20N pro- vides the following functions:

measurement of static, time-, and temperature-dependent interfacial tensions and dilatational elasticities between two not completely miscible liquids,

measurement of 2D and 3D extensional relaxation of visco-elastic liquids and liquid drops encapsulated or enclosed in membranes at varying speeds of rotation,

determination of yield stresses on liquid crystalline substances,

calculation of dispersive and polar con- tributions of liquids based on measured surface and interfacial tensions with surface and interfacial tensions with error limits.

     
 



 

HGC 20
The humidity generator HGC 20 is designed for the automated regulation of the relative humidity of ambient clean air for a wide range of applications.

Features of the basic instrument configuration:

It is easily connectable to many environmental chambers of DataPhysics and other suppliers.The ambient air first flows through the integrated desiccant reservoir. An electronic valve, controlled by the humidity and temperature sensor directly mounted in the measuring chamber diverts some air through the heated water reservoir before it flows through the heated connection tube.

Stand alone generation of dry air without an external pressurized gas supply

Heated water reservoir Heated connection gas tube (transfer line) to thermal chamber to avoid condensation

Easy control via touch-screen or optional software Serial RS 485 or USB interface Calculation of dew point in the measuring chamber

Automated drying and regeneration of desiccant by a built-in heating system in two alternatively used desiccant reservoirs (total stored desiccant amount about 1.0 kg).

     
 



 

HGC 30
The humidity generator HGC 30 is designed for the automated regulation of the relative humidity of ambient clean air for a wide range of applications. It is easily connectable to many environmental chambers of DataPhysics and other suppliers. The ambient air or the external supplied gas first flows through the integrated desiccant reservoir. An electronic valve, controlled by the humidity and temperature sensor directly mounted in the measuring chamber diverts some air through the heated water reservoir before it flows through the heated connection tube.

Features of the basic instrument configuration:

Stand alone generation of dry air/gas with and without an external pressurized gas supply.

Heated water reservoir Heated connection gas tube (transfer line) to thermal chamber to avoid condensation

Easy control via touch-screen or optional software Serial RS 485 or USB interface Calculation of dew point in the measuring chamber

Automated drying and regeneration of desiccant by a built-in heating system in two alternatively used desiccant reservoirs (total stored desiccant amount about 1.0 kg).

Additional external gas supply with integrated pressure regulator Integrated flow rate controller (calibrated for N2 and Ar).