Surface Science Specialists: info@fdsc.com

Archives

Home / Portfolio
SITA T100 Bubble Tensiometer

SITA T100 Bubble Tensiometer

 

SITA T100 Bubble Pressure Tensiometer

APPLICATION SCOPES:

A bench top or portable tensiometer for R&D continuous monitoring, as well as dynamic surface tension auto-scan from low to long bubble lifetime.  Measuring dynamic surface tension measurement for any liquid used in all fields such as electroplating, environmental, biological, personal care, household cleaning, semi-conductor etching/photoresist liquids and etc.  It has an option to work with the software module, SITA LabSolution, to make it even more efficient.

METHODS:

Maximum Bubble Pressure Method.

 

SITA T100

FEATURES:

User-friendly features:

  • Fast set-up
  • Compact and robust
  • Quick measurements
  • Easy to operate
  • Interchangeable capillaries
  • Long term measurement up to several days
  • Interface for process control is possible
  • Automated calibration
  • Touch key menu access for selection of operation mode, calibration and clean mode
  • Calibration against water

Allows measurements either at:

  • Constant surface age (bubble lifetime)
  • Automatically increasing surface age (bubble lifetime)
  • Measurement independent of immersion depth
  • Ease of switching among samples
  • No density value of sample to be entered prior to measurement

Technical Data – SITA T100:

Surface Tension:

  • Measuring Range: 10 – 100 mN/m (dyne/cm)
  • Resolution: 0.1 mN/m (dyne/cm)
  • Bubble Frequency:
    – Controlled Range: 0.01 – 10 Hz
    – Accuracy: 3 digits
  • Bubble Lifetime:
    – Measuring Range: 15ms – 100s
    – Resolution: 1 ms
  • Sample Temperature:
    – Measuring Range: -30 ° to +130°
    – Resolution: 0.1°
  • Memory: 16 M Byte (200,000 data points)
    – Power Supply 100 … 240 V / 47 …63 Hz 100 … 240 V / 47 …63 Hz
    – Batteries 4x AA (1.5V) 4x AA (1.5V)
  • Max. Power Consumption 3.6 VA 3.6 VA
  • Weight incl. Sensor Head 7.9 kg 7.9 k g

SITA T100

 Most Updated Specs and Pricing

SITA T15 Plus

SITA T15 Plus

SITA T15 Plus Portable/Table Top Bubble Pressure Tensiometer

APPLICATION SCOPES:

New portable tensiometer for QC/In-line continuous monitoring, as well as dynamic surface tension auto-scan from low to high bubble lifetime.   Dynamic surface tension measurement for any liquid used in all fields such as electroplating, environmental, biological, personal care, household cleaning, semi-conductor etching/photoresist liquids and etc. It can work with software module, SITA LabSolution, to make it become a great R&D tool.

 Try the on-line demo of SITA T15+ .

Instrument designed to simplify dynamic surface tension measurements. Three modes (single, auto, online) for perfecting quality control, research and development and in-line process monitoring.  On-line controlled software for 24 hour PLC monitoring is an option.

 METHODS:

Maximum Bubble Pressure Method.

FEATURES:

User-friendly features;

  • Adaptable to measurement tasks
  • Compact and robust
  • Quick and direct start of measurements
  • Easy to operate
  • Interchangeable capillaries
  • Long term measurement up to several days
  • Preset parameters reliably prevents measuring deviations through incorrect use
    automated calibration
  • Touch key menu access for selection of operation mode, calibration and clean mode
  • Calibration against water

Allows measurements either at:

  • True constant surface age regulation (bubble lifetime)
  • Automatically increasing surface age (bubble lifetime) with a time-efficient whole range scan within 5 minutes
  • Measurement independent of immersion depth
  • Ease of switching among samples
  • No density value of sample needed to be entered prior to measurement

Technical Data – SITA T 15+

Surface Tension;

  • Measuring Range: 10 – 100 mN/m (dyne/cm)
  • Resolution: 0.1 mN/m (dyne/cm)
  • Bubble Frequency:
    – Controlled Range: 0.01 – 10 Hz
    – Accuracy: 3 digits
  • Bubble Lifetime:
    – Measuring Range: 15ms – 20s
    – Resolution: 1 ms
  • Sample Temperature:
    – Measuring Range: -30 ° to +130°
    – Resolution: 0.1°
  • Memory: 3 Storage Arrays (Single, Auto, Online)
  • Power Supply: 100-240 V / 47-63 Hz
  • Batteries: 4x AA (1.5V)
  • Max. Power Consumption: 2W
  • Weight incl. Sensor Head: 270g

 

 Most Updated Specs and Pricing

 

DynoTester / DynoTester+

DynoTester / DynoTester+

SITA Dynotester/ Dynotester+ Portable Bubble Pressure Tensiometer

 

APPLICATION SCOPES:

The DynoTester couples accuracy and speed for dynamic surface tension measurements at many different bubble lifetimes. It can be operated handheld or as a tabletop instrument for your convenience. Software is additionally available for auto-data collection.  Dynamic surface tension measurement is available for any liquid used in all fields including: electroplating, environmental, biological, personal care, household cleaning, semi-conductor etching/photoresist liquids and etc.  It has time-saving and accurate operation in addition to its portable or stationary function for maximum efficiency and efficacy.  It can work with a special process software module, SITA ProcessLog, to make it even more efficient.   

 

 

PRECISE
Display of surfactant concentration within defined limits

Comparability of measuring values with all SITA lab and process measuring devices

Adjustable high dynamic bubble lifetime range: 15 ms…20.000 ms

 

ROBUST
Patented and optimized capillary for process use

Robust device housing for atline measurement

Comfortable suitcase for transport and device storage, also useful as working surface

 

FLEXIBLE
Intuitive operation: simple and fast measuring as well as controlling

Mobile hand-held tensiometer: no PC or notebook required

25 measuring profiles for bath control, process documentation and more

____________________________________________________________________________________________________________________________________

FEATURES:SITA DYNOTESTER+

User-friendly features:

  • Portable/handheld device
  • Regulates surface age automatically
  • Quick measurements
  • Easy to operate
  • Interchangeable capillaries
  • Saves multiple measurements
  • Three programmable soft keys
  • Automated calibration
  • Touch key menu access for selection of operation mode, calibration and clean mode
  • Calibration against water

Allows measurements either at:

  • Constant surface age (bubble lifetime)
  • Automatically increasing surface age (bubble lifetime)
  • Measurement independent of immersion depth
  • Ease of switching among samples
  • No density value of sample needed to be entered prior to measurement.

METHODS:

Max Bubble Pressure Method

Technical Data – SITA DynoTester:

  • Surface Tension:
    – Measuring Range: 10 – 100 mN/m (dyne/cm)
    – Resolution: 0.1 mN/m (dyne/cm)
  • Bubble Frequency:
    – Controlled Range: 0.01 – 10 Hz
    – Accuracy: 3 digits
  • Bubble Lifetime:
    – Measuring Range: 15ms – 20s
    – Resolution: 1 ms
  • Sample Temperature:
    – Measuring Range: -30° to +130°
    – Resolution: 0.1°
  • Memory: 25 Measurement Storage
  • Power Supply: 100-240 V / 47-63 Hz
  • Batteries: 4x AA (1.5V)
  • Max. Power Consumption: 2W
  • Weight: 250 g

 

 

 Most Updated Specs and Pricing

SVT20

SVT20

Advanced Spinning Drop Video Tensiometer

 

APPLICATION SCOPES:

Regular or Ultra-low Surface/Interfacial Tension Measurements and Interfacial Rheology Research.  A new concept of doing Spinning Drop Measurements; Video-based Tensiometer with rotational speed up to 20,000 RPM capable of reporting interfacial visco-elasticity.  Most widely used in oil, petroleum, emulsion, detergent, cosmetic, pharmaceutical and healthcare industries. But not limited to.

METHODS:

Spinning Drop Method.

FEATURES:

The SVT 20 is used for the software controlled and video supported measurement of:

  • Static and time dependent interfacial tension between two not completely miscible liquids.
  • Two and three-dimensional extensional relaxation of viscoelastic liquids and liquids droplets encapsulated or enclosed in membranes.
  • Yield point of e.g. liquid crystalline materials.
  • Thermal expansion coefficients of liquids.
  • All measurements are performed according to the Spinning Drop and Oscillating Drop Method.

The 64-bit Windows 7 & 8 compatible software developed for the SVT 20 offers:

  • Time dependent control of rotational speed as well as the adjustment of the capillary position in height and tilt.
  • Recording and evaluation of video sequences for the measurement of fast relaxational vibrations of drops.
  • Calculation of interfacial tensions from the shape of rotating drops (spinning drops) according to the Young-Laplace Equation as well as according to the Vonnegut approximation for sufficiently extended droplets.
  • Calculation of relaxational modules, yield points and other rheological parameters.
  • An extended liquid data base with more than 140 parameter entries.

 SVT 20/TPC180

SVT20 Spinning Drop Video Tensiometer

 

 Most Updated Specs and Pricing

OCA Series

OCA Series

Dataphysics GmbH’s OCA series contact angle meters and tensiometers with the pendant drop method software module will enable you to measure either static or dynamic surface and interfacial tensions.  The devices in this series are: OCA15EC, OCA15Plus, OCA15Pro, OCA20, OCA25, OCA30, OCA35, OCA40, OCA50, and their AF, upUSB-HSC, LHT, Micro or LHP versions.

OCA25 LIA-MD

OCA15EC DDDM   OCA25 DDE2        OCA 50 with AutoFocus, and Electronic Multiple Direct Dosing (up to 3), Featuring a Tilted Base Unit

 Most Updated Specs and Pricing

DCAT 11

DCAT 11

Dynamic Contact Angle Tensiometer

 

Methods:

  • Du Noüy ring Method for surface and interfacial tension measurements.
  • Wilhelmy Method for surface and interfacial tension measurements.
  • Dynamic contact angle measurement of test liquids on solids (plates, rods, films, single fibers, etc.)
  • Adsorption of liquids by powders and fiber bundles according to extended Washburn Method.
  • Lamella breakpoint test to determine the surface elasticity of liquids.
  • Wetted length determination according to Wilhelmy Method.
  • Automatic determination of the Critical Micelle Formation Concentration (CMC) of surfactants in forward and reversed mode, calculation of the minimum surface tension in synergistic effects of surfactant mixtures, calculation of the space required by molecules on the surface, calculation of the free adsorption energy after Gibbs, calculation of the surface excess.
  • Determination of the contact lamella detachment force from molten toner or molten polymer from solid surfaces.
  • Determination of density of liquids and solids.
  • Surface energy (and its components) calculation based on dynamic contact angle measurement results – 9 methods for calculation, representation of wetting envelopes and work of adhesion.
  • Adhesion force measurement.
  • Sedimentation rate determination.
  • Penetration rate determination.
  • Contact angle of powders and fiber bundles and the adsorption behavior of liquids on wettable materials according to the modified Washburn Method.
  • The Critical Micelle Formation Concentration of surfactants (CMC) according to the Wilhelmy Plate Method, Lenard.
  • Frame Method or the Du Noüy ring Method with automatic ring correction according to Huh & Mason, Zuidema & Waters and Harkins & Jordan Methods.

Features:

  • High precision electrodynamic force compensation weighing system with automatic calibration.
  • Versatile instrument for fully software controlled measurements.
  • Electronic auto-locking for balance safety.
  • Software modules for surface and interfacial tension, dynamic contact angle, density and other measurements.
  • Integrated magnetic stirrer and temperature probe.
  • Software controlled precision liquid dispensing for critical micelle formation concentration measurement.
  • Access to database of liquids and solids- properties of more than 200 materials.
  • For quick reference of density, surface, interfacial tension and other related data, also for 9 methods of surface energy analysis including related citations.
  • Fully automated reproducible measurements.
  • Automatic ring corrections according to Zuidema & Waters, Mason & Huh and Harkins & Jordan.

Specifications:

  • Measuring range for contact angles: 0…180°; ± 0.01°
  • Measuring range for surface and interfacial tension: 1…1000  mN/m resolution: ± 0.001 mN/m
  • Measuring range for densities: •0.50 … 2.50 g/cm3; ± 0.002 g/cm3 resolution
  • Measuring value range: • up to 50 weighing values per second
  • Temperature range: • -10…130 °C with optional refrigerated and heating circulator
  • Dimensions (L x W x H): 340 x 230 x 500 mm
  • Weight:  23 kg
  • Max sample stage travel distance: 85 mm
  • Power supply: • 100…240VAC; 50…60Hz; 55 W

Options:

  • Precision dispensing system for Critical Micelle Formation Concentration measurement.
  • Variety of solid sample holders for dynamic contact angle measurements (film, single fiber, powder, fiber bundle, etc.)
  • Variety of measurement tools for surface/interfacial tension, density, contact angle, sedimentation, penetration.
  • Sample vessels made of glass, PTFE.
  • Prepared for the installation of a liquid thermal unit ( TV 50 / TV 70 / TV 70-NM / TV 100) for mounting optional sample vessels.
  • Du Nouy Ring RG 11, made of platinum-iridium to DIN 53914.
  • Wilhelmy Plate PT 11, made of platinum-iridium to DIN 53914.
  • LDU 2/2 (Liquid dispensing unit) for automated Critical Micelle Concentration (CMC) Measurement.
  • Refill and Rinse System for the LDU.
  • Temperature and environmental control: TEC250 for polymer melts, chamber of ionizer, etc.
  • Programmable Langmuir Blodgett Module for Gibbs absorption isotherm, and interfacial rheology.
  • UpVideoDCAT module for optiocal Wilhelmy Method.

 

 Most Updated Specs and Pricing

 

DCAT 21

DCAT 21

High Resolution Dynamic Contact Angle Tensiometer

 

Methods:

  • Du Noüy-Ring Method for surface and interfacial tension measurements.
  • Wilhelmy Method for surface and interfacial tension measurements.
  • Dynamic contact angle measurement of test liquids on solids (plates, rods, films, single fibers, etc.)
  • Adsorption of liquids by powders and fiber bundles according to extended Washburn Method.
  • Lamella breakpoint test to determine the surface elasticity of liquids.
  • Wetted length determination according to Wilhelmy Method.
  • Automatic determination of the critical Micelle Formation Concentration (CMC) of surfactants in forward and reversed mode, calculation of the minimum surface tension in synergistic effects of surfactant mixtures, calculation of the space required by molecules on the surface, calculation of the free adsorption energy after Gibbs, calculation of the surface excess.
  • Determination of the contact lamella detachment force from molten toner or molten polymer from solid surfaces.
  • Determination of density of liquids and solids.
  • Surface energy (and its components) calculation based on dynamic contact angle measurement results- 9 methods for calculation, representation of wetting envelopes and work of adhesion.
  • Adhesion force measurement.
  • Sedimentation rate determination.
  • Penetration rate determination.
  • Contact angle of powders and fiber bundles and the adsorption behavior of liquids on wettable materials according to the modified Washburn Method.
  • The Critical Micelle Formation Concentration of surfactants (CMC) according to the Wilhelmy Plate Method, Lenard.
  • Frame Method or the Du Nouy Ring Method with automatic ring correction according to Huh & Mason, Zuidema & Waters and Harkins & Jordan Methods.

Features:

  • High precision electrodynamic force compensation weighing system with automatic calibration.
  • Versatile instrument for fully software controlled measurements.
  • Electronic auto-locking for balance safety.
  • Software modules for surface and interfacial tension, dynamic contact angle, density and other measurements.
  • Integrated magnetic stirrer and temperature probe.
  • Software controlled precision liquid dispensing for critical micelle formation concentration measurement.
  • Access to database of liquids and solids- properties of more than 200 materials for quick reference of density, surface, interfacial tension and other related data, also for 9 methods of surface energy analysis including related citations.
  • Fully automated reproducible measurements.
  • Automatic ring corrections according to Zuidema & Waters, Mason &Huh and Harkins & Jordan.

Specifications:

  • Measuring range for contact angles: 0…180°; ± 0.01°.
  • Measuring range for surface and interfacial tension: 1…1000  mN/m resolution: ± 0.001 mN/m.
  • Measuring range for densities: •0.50 … 2.50 g/cm3; ± 0.002 g/cm3 resolution.
  • Measuring value range: • up to 50 weighing values per second.
  • Temperature range: • -10…130 °C with optional refrigerated and heating circulator.
  • Dimensions (L x W x H): 340 x 230 x 500 mm.
  • Max sample stage travel distance: 110mm.
  • Weight: 23 kg.
  • Power supply: • 100…240VAC; 50…60Hz; 55 W.

Options:

  • Precision dispensing system for critical micelle formation concentration measurement.
  • Variety of solid sample holders for dynamic contact angle measurements (film, single fiber, powder, fiber bundle, etc.)
  • Variety of measurement tools for surface/interfacial tension, density, contact angle, sedimentation, penetration.
  • Sample vessels made of glass, PTFE.
  • Prepared for the installation of a liquid thermal unit ( TV 50 / TV 70 / TV 70-NM / TV 100) for mounting optional sample vessels.
  • Du Nouy ring RG 11, made of platinum-iridium to DIN 53914.
  • Wilhelmy plate PT 11, made of platinum-iridium to DIN 53914.
  • LDU 2/2 (Liquid dispensing unit) for automated Critical Micelle Concentration (CMC) Measurement.
  • Refill and Rinse System for the LDU.
  • Temperature and environmental control: TEC250 for polymer melts, chamber of ionizer, etc.
  • Programmable Langmuir Blodgett Module for Gibbs absorption isotherm, and interfacial rheology.
  • UpVideoDCAT module for optiocal Wilhelmy method.

 

 Most Updated Specs and Pricing

 

For any modular configurations that you may require, contact us to discuss your exact applications and objectives, and we will work with you to configure a unit for your EXACT parameters. 

Available Custom Modular Options, which include, but are not limited to: 

BPA1S

BPA1S

Maximum Bubble Pressure Tensiometer

Application Scopes: 

  • This device optimizes measurement of the dynamic surface tension as a function of the surface age, the bubble frequency, the temperature, the concentration, or by a given volume stream, as a function of time. Additionally, it features determination of the actual surface age related to a constant area, the transition from the bubble to the jet range, the calculation of diffusion coefficients and the adsorption kinetics of very fast-acting surfactants. Done with the possibility of a very short surface age, down to 0.1 msec (much shorter than 5 msec).
  • Development and production of surfactants.
  • Selection of surfactants and optimization of the dosing for fast wettability processes.
  • Development of liquid medicines
  • Course of coloring and printing processes.
  • Optimization of color and lacquer additives.

Measuring Method:

  • Maximum Bubble Pressure according to Fainerman’s Method.

Features and Specs:

  • Measuring range: 10–100 mN/m; reproducibility: 0.1 mN/m
  • Dynamic time range (surface age): 0.1ms—50s
  • Temperature range: 0–90 C

Feature Advantage Description:

  • Small sample volume.
  • Sample glasses easy to change and clean.
  • Fast capillary changing and cleaning.
  • Windows based software.
  • Optional online measuring cell for the process control purpose.
  • Consideration of viscosity effects and extrapolation to the static surface tension.

 Most Updated Specs and Pricing

TVT2

TVT2

Drop Volume Tensiometer

Application Scopes:

Measuring of the dynamic surface tension and interfacial tension of liquids as a function of the dosing rate, the surface age, the temperature or the concentration. Characterization of the dynamics of surfactant systems by variation of the drop creation rate or by determination of the drop break-time at a given drop volume. Determination of the strength and residue of surfactants. Determination of the diffusion coefficient and the adsorption kinetic of emulsifying agents.

Some typical applications:

  • Development of surfactants and detergents.
  • Development of emulsion stabilizers.
  • Inspection of drinking, waste and surface water.
  • Tertiary oil mining, mineral oils and lubricants.
  • Sorption behavior of plant protective formulations.

 

Method: 

  • Drop volume (drop weight)

Features:

  • Measuring range:0.1…100 mN/m +/-0.5% of terminal value
  • Surface age range: 1 s—1000 s
  • Resolution: piston stroke: 0.1mm

 

 Most Updated Specs and Pricing

TD2/TD3

TD2/TD3

 Simple and Automatic Precision Tensiometers

Application Scopes:

The TD2/TD3 are used for determining and testing physical properties of solutions, organic and inorganic liquids, liquid/liquid or liquid/solid dispersions, emulsions, etc.  Additionally it helps in developing and testing surface active substances such as surfactants and emulsifiers as well as identifying such substances in effluents and waters.

Method:

  • Micro-balance Tensimetry
  • Static surface and interfacial tension
  • Ring (du Nouy) DIN 53914
  • Plate (Wilhelmy) DIN 53914

Features:

  • LCD Digital display
  • Simple operation
  • Automatic ring correction
  • Storage up to 500 measurements
  • Absolute calibration
  • Thermostating up to 150 oC

Recommended Accessories:

  • Calibration weight (plate/frame)
  • Double walled glass tempering vessel
  • Set of 10 sample beakers
  • Spare silk thread, approx 1m
  • Tempering stage with magnetic stirrer
  • Digital temperature sensor for measuring in probes
  • Data transfer software (pc) under WINDOWS

 

 Most Updated Specs and Pricing