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Surface tension meter and weighing method contact angle meter

NegotiableUpdate on 12/21
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Overview

Surface tension meter and weighing method contact angle meter A80 high temperature customization: supports customized solutions for special temperature requirements (>130 ℃), suitable for testing melt and high temperature reaction systems.

Product Details

Surface tension meter and weighing method contact angle meterA80 is a high-precision analysis device designed based on excellent industry technology, suitable for precise measurement of dynamic and static surface tension and interfacial tension. Its core hardware and algorithm optimization can meet the analysis needs of complex system interface behavior in scientific research experiments and industrial quality inspection.

Industry pain point solutions
The traditional platinum plate method is usually based on empirical driven models, which are difficult to effectively support real-time analysis of dynamic adsorption of surfactants and three-phase interface behavior. The A801S device utilizes first principles algorithms and high-precision dynamic data acquisition technology,
*This technological gap provides a reliable tool for the study of dynamic interface chemistry.


Surface tension meter and weighing method contact angle meterA80 Core Technology Advantages

  1. The third generation platinum plate technology (2011)

    • Dynamic adsorption and sandwich effect testing: Based on first principles design, supporting the dynamic adsorption behavior of surfactants and sandwich effect analysis of three-phase interfaces (liquid-liquid solid), breaking through the limitations of traditional platinum plate methods relying on empirical models.

    • Optimize testing stability and data accuracy, adapt to dynamic and static tension analysis scenarios.

    • Support surface/interface tension measurement for liquid gas and liquid-liquid systems.

  2. High precision hardware configuration

    • Imported Mettler balance: accuracy of one hundred thousandth, data acquisition rate of 92 times/second, ensuring real-time dynamic measurement reliability.

    • Temperature control system: can be connected to a constant temperature water bath, with a temperature control range of up to 130 ℃, meeting the needs of routine experiments.

  3. Dynamic testing capability:

    • Real time monitoring of dynamic behaviors such as surfactant adsorption and interface relaxation to address industry pain points where traditional methods cannot adapt to dynamic adsorption systems.


Extended functions and services

  • High temperature customization: Support customized solutions for special temperature requirements (>130 ℃), suitable for testing melt and high-temperature reaction systems.

  • Compatibility design: It can be extended to other sensor modules to enhance the application range of the device.


Application scenarios

  • Research on Surfactants: Accurate Analysis of Dynamic Adsorption Behavior and Three Phase Interface Sandwich Effect.

  • Research experiment: Study on interfacial tension and complex fluid dynamic behavior of high-temperature melt.

  • Industrial quality inspection: Evaluation of interface performance of daily chemical products, inks, coatings, etc.

  • Customized requirements: Testing under special temperature or pressure conditions in the fields of energy and materials.


Principles and Methods of Surface/Interface Tension Tester Testing

test method Principle description
Platinum Tour de France (DuNo ü y Ring) Calculate the surface tension based on the maximum pulling force when the platinum ring is pulled off from the liquid surface.
Platinum Plate Method (Wilhelmy Plate) Measure surface tension using the force changes of a platinum plate immersed in liquid.
Powder contact angle permeation method (Washburn) Calculate the contact angle and surface tension based on the liquid permeation rate in the pores of the powder.
Single Fiber Wilhelmy Contact Angle Method Dynamic contact angle analysis of force changes during infiltration of single fiber samples.
Weighing method contact angle (Dynamic Wilhelmy) Calculate the contact angle based on the mass change during the infiltration process of fiber or plate-like samples.
Sedimentation&Penetration Analysis Evaluate surface tension and wettability through particle settling velocity or liquid permeation behavior.
Density value test Measure the density of liquids or solids to assist in surface tension calculation.
Determination of Critical Micelle Concentration (CMC) Determine the critical micelle concentration of surfactants through the surface tension change curve.
Surface free energy analysis Calculate the surface free energy and its components (dispersion force, polarity force, etc.) of a solid based on contact angle data.
Wettability Envelope Analysis (WBA) Analyze the wetting range and spreading characteristics of liquids on solid surfaces.
Single fiber tensile testing Measure the tensile changes during single fiber infiltration and evaluate the wettability of the material.
沉降粒度分析 Calculate particle size and dispersion stability through sedimentation velocity distribution.

Application field

industry name Application scenarios
Ink, ink, paint Wettability analysis, polarity and dispersion component evaluation of printing/coating processes.
printing industry Research and development of screen cleaning solution, analysis of film wettability and printability.
Film industry Coating effect analysis and wettability quality control.
Cosmetics and daily chemical products Testing of emulsion dispersibility, stability, and wettability.
Electroplating surface treatment Wettability assessment and process quality control.
Pesticide industry Formula optimization, analysis of wetting properties of additives.
Research on nanofibers and powders Fiber contact angle testing and dynamic wetting behavior research.
petroleum industry Analysis of interfacial tension in tertiary oil recovery and evaluation of oil flooding effectiveness.
Textile industry Wettability, surface tension, and adhesion testing of dyes.
pharmaceutical industry Analysis of tablet wettability and study of surface tension of active ingredients in drugs.
power industry Surface tension and fiber bundle contact angle detection of transformer oil.
Research on surfactants CMC determination, interface adsorption behavior, and rheological analysis.
Cleaning agents and adhesives Analysis of surface active agent adsorption rate and testing of adhesion work for high viscosity samples.
Food and Feed Industry Evaluation of Wettability and Cleanliness of Canned Coating.
Polymer materials Surface modification effect and wettability characterization.
Lotion and foam Stability testing and evaluation of the effect of reducing interfacial tension.
Precision mechanical cleanliness Cleanliness analysis based on surface tension changes.
Lubricating oil and fuel oil Monitoring of oil aging status.
Wastewater treatment and filtration Penetration rate analysis and evaluation of the impact of surface tension on filtration efficiency.
Sedimentation and Nanoparticles Study on the stability and precipitation behavior of dispersed systems.

meet the standard

Standard Number Standard Name
ASTM D 971-91 Oil water interfacial tension test (platinum ring test).
ASTM D 1331-56 Testing method for surface and interfacial tension of surfactant solutions.
ASTM D 1417-83 Testing method for synthetic rubber latex.
ASTM D 1590-60 Test method for surface tension of water.
BS EN 14370-2004 Method for measuring surface tension of surfactants.
ISO 1409-1995 Surface tension test of plastic/rubber dispersion (platinum ring method).
ISO 6295 Method for measuring interfacial tension between oil and water.
ISO 304 & ISO 6889 Surface active agent interfacial tension test (liquid film stretching method).
ISO 4311 Determination of critical micelle concentration of surfactants (platinum plate/ring method).

Characteristics and advantages of surface/interface tension meter products


Core Technology Breakthrough: Dynamic Adsorption and Sandwich Effect Testing

  • First principles based dynamic adsorption analysis:
    Support the precise testing of dynamic adsorption process of surfactants and liquid-liquid solid sandwich effect, breaking through the limitations of traditional platinum plate method relying on empirical models.

  • Industry pain point solution: The traditional platinum plate method cannot capture the interface behavior of dynamic adsorption systems in real time (such as surfactant adsorption rate, interface relaxation). This equipment has a technological gap through high-precision sensors and dynamic algorithms.


1. High precision hardware system

  • One hundred thousandth microanalysis balance:

    • The data collection rate reaches 90 times per second, and the ability to capture details is improved, making it suitable for high-sensitivity testing of single fibers, powders, LB films, and other materials.

    • Temperature drift correction, zero tracking, and built-in weight self calibration function ensure data reliability.

  • Displacement control system:

    • The direct coupling design of the stepper motor eliminates the backlash of the pulley structure and achieves a positioning accuracy of micrometers.

    • USB 2.0 communication interface has strong compatibility and is suitable for new computer devices.


2. Optimization of anti-static technology

  • Ion wind and ion beam technology:

    • Eliminate static electricity interference on the liquid surface and solve measurement errors caused by liquid level positioning deviation (such as false high tension caused by rising liquid level).

    • Continuous static elimination function, suitable for testing materials such as powders and fibers that are prone to static electricity.

  • Anti static glass door: blocks external static charge conduction and improves the stability of the testing environment.


3. Multi functional software module (CAST) ® 1.0)

  • Dynamic and static tension testing:

    • SM01 module: supports platinum plate method, platinum ring method, and suspended plate method, dynamically correcting contact angle and buoyancy effects.

    • SM08 module (LB film and interface rheology): Analyze interface viscoelasticity, dynamic expansion/oscillation behavior.

  • Surface active agent research:

    • Real time monitoring of CMC (critical micelle concentration), surface excess, and Gibbs adsorption free energy.

    • Database management: Automatically saves dynamic curve data, supports historical record queries, corrections, and exports (in Excel format).

  • Wettability and surface free energy analysis:

    • The liquid library contains 300 types of liquids and 800 sets of data, which can quickly calculate components such as polarity force, dispersion force, hydrogen bonding force, etc.


4. IndustryTest scenario adaptation capability

  • High viscosity sample testing:

    • The non-invasive platinum plate method supports tension testing of high viscosity samples (≤ 10000CP) such as glycerol, ink, and resin.

  • Temperature conditions:

    • The constant temperature sample pool covers the range of -40 ℃ to 250 ℃, suitable for melt and high-temperature reaction systems.

  • Special material testing:

    • Single fiber tensile strength, powder permeability, nanoparticle settling analysis, providing extended solutions such as Thin Layer Wicking

5. Humanized design and compatibility

  • One click operation and pre wetting function: simplifies the testing process for oily substances and reduces human error.

  • Multilingual interface (Unicode technology): Supports switching between Chinese, English, and * languages.

  • Modular accessory system:

    • Provide optional accessories such as LB membrane tank, magnetic stirring constant temperature bath, anti-static device, etc., to meet complex experimental needs.

    • Density testing module: supports solid/liquid density measurement.


Complies with international standards

  • ASTM D971, ISO 1409: Oil water interfacial tension, plastic/rubber dispersion surface tension testing.

  • ISO 4311, BS EN14370: Determination of CMC and tension analysis of surfactants.


summary

This surface/interface tensiometer solves the technical bottleneck of traditional methods in dynamic adsorption systems through high-precision hardware, anti-static optimization, and dynamic algorithms, providing valuable insights for surfactant research, high viscosity sample testing, and moreEnvironmental analysis provides reliable tools. Its modular design and multifunctional software support comprehensively cover the complex needs of scientific research and industrial scenarios.


Technical parameters of A80 surface tension meter/interface tension meter

1、 Hardware reference indicators:

1

sensor


A80

(1) Measurement range:

0—999.999mN/m

(2) Measurement resolution:

0.0001mN/m

(3) Measurement accuracy:

0.004mN/m

(4) Absolute value of measurement:

±0.02mN/m

(5) Analytical balance range

210g

(6) Analytical balance accuracy

0.01mg

(7) Data update speed:

92Data/second/upgradable to 500 data (2ms)

(8) Real time data processing:

Dual chip processor technology solves the problem of poor real-time performance of Windows programs

(9) Zeroing method:

One click automatic reset, supporting preset value function

2

Sample stand

control

(1) Lifting range:

0—50mm

(2) Lifting accuracy:

Resolution accuracy 0.007um Repeat positioning accuracy: 0.5um

(3) Speed control for lifting and lowering:

Adjustable speed, variable speed control during measurement process

(4) Control method:

Automatically controlled through USB interface software to enhance compatibility

(5) Displacement reading method:

Software encoder directly reads the position

3

contact method

USB 2.0 communication interface, no RS232 compatibility issues, can be directly connected to laptops

4

Temperature reading

Need to purchase

accessories

(1) Temperature module

Imported digital semiconductor temperature sensor from the United States

(2) Temperature calibration method

Chip self calibration

(3) Temperature reading accuracy

0.01℃

(4) Temperature reading method

Software automatically reads


2、 Software system weighing method interface chemical analysis system CAST1.0 (SM01) reference indicators:

1

test method

There are a total of 3 types

Modified Wilhelmy Plate Method: Based on Asha ® (ADSA ®)

Classic Platinum Plate Method (Hanging Plate Method, Hanging Plate Method, Classical Wilhelmy Method)

DuNo ü y Ring method

2

test method

Fully automatic testing of surface tension/interfacial tension values. At the same time, provide manual testing mode

3

standardized

test module

Need to purchase

Or customized

provide

1. Surface active agent surface tension testing and stable surface tension, stability time estimation function

2. Surface tension testing and estimation of stable surface tension and stability time for medium to high viscosity samples

3. High precision surface tension/interfacial tension testing of pure liquid (fixed surface tension)

4. The interface tension test provides a professional solution specifically for measuring the value of interface tension when it is supported upwards

5. Measurement of interfacial tension between single-layer oil film and water

Wait

4

Calibration function

Platinum plate, platinum ring self calibration function, sensor self calibration function

5

Pre wetting function

Provide humanized pre wetting function

6

Liquid level line

The software automatically searches for the horizontal line of the liquid gas or liquid liquid interface

7

Buoyancy correction

Provide 3 buoyancy correction modes and professional FK correction factors

8

Database Management

Real time display and saving of test data, historical data can be queried, and data can be exported as an EXCEL document

9

software module

Need to purchase

SM01 Surface/Interface Tension Testing Module

SM02 Weighing Method Contact Angle Testing Module

SM03 automatic critical micelle concentration testing module

SM04 Density Testing Module:

SM05 settlement velocity and bursting force, single fiber tensile testing module

SM06 settling particle size analysis module

SM07 Analytical Balance Weighing Module

SM08 LB film and interface rheological analysis module

3、 Basic indicator reference

1

volume

350L×400W×550Hmm

2

weight

25Kg

3

power supply

100-240AC 50/60HZ

4

power

40W









Standard Components

model

A801

A801S




Standard Accessories

1. One instrument host; 2. One platinum plate; 3. Two sets of sample dishes; 4. One alcohol lamp; 5. A pair of tweezers; 6. Data cable;

7. One CAST 1.0 and related driver disk;

8. One set of standard weights;

9. One 100mg weight;

10. One operation manual.

1. One instrument host; 2. One platinum plate;

3. Two sets of sample dishes; 4. One alcoholic beverage;

5. A pair of tweezers; 6. Data cable;

7. One CAST 1.0 and related driver disk;

8. One set of standard weights;

9. One 100mg weight;

10. One operation manual.

11. One platinum ring; 12. One set of temperature sensors;

13. One set of portable control terminal.

Optional accessories

1. White gold ring; 2. Temperature sensor;

3. Constant temperature sample pool; 4. Computer self configured.

1. Constant temperature sample pool

Note: Computers are not included in the standard configuration


Choose a module

1. A802 Automatic CMC Analysis Module

including:

(1) Sample injection system:

Single channel software control injection pump;

→ or dual channel software control injection pump

→ or multi-channel software control injection pump

→ or anti overflow mode (how much is injected and how much is sucked out) injection volume control module

Customized according to customer needs

(2) Magnetic stirrer

(3) Specialized software module

It is recommended to confirm the technical solution with our sales engineer when making a purchase, so as to ensure that we can customize a system that meets your needs.

2. A803 weighing method contact angle meter

This system will add the function of measuring the contact angle using the weighing method on the basis of A801.

1、 Hardware reference indicators:

1

contact angle

(1) Measurement range:

0—180°

(2) Measurement resolution:

0.01°

2

test method

Weighing method, Wilhelmy slice method

3

Contact angle method

Dynamic contact angle, forward/backward angle, static wetting balance analysis

4

Estimation Model of Solid Surface Free Energy

12 mathematical models including Equation of State, Van Oss, Owens, Fowkes, etc

5

liquid library

300 liquids, 800 interface chemistry data

Related accessories included: specialized fixtures, weighing method contact angle analysis system

3. A804 Powder Contact Angle Meter

This system will add a testing function for powder contact angle based on A801.

1、 Hardware reference indicators:

1

contact angle

(1) Measurement range:

0—90°

(2) Measurement resolution:

0.01°

2

test method

Weighing method, Washburn infiltration method

Related accessories:

(1) Quartz glass capillary tube;

(2) Specialized fixtures;

Please make sure to confirm with our professional engineers when selecting the contact angle of the powder. It is not recommended for customers to make their own purchases.

4. A805 Fiber Contact Angle Meter

This system will add fiber contact angle testing function on the basis of A801.

1、 Hardware reference indicators:

1

contact angle

(1) Measurement range:

0—180°

(2) Measurement resolution:

0.01°

2

test method

Weighing method, Washburn infiltration method

Related accessories: fiber clamp, anti-static module (to be purchased)

Please make sure to confirm the selection of fiber contact angle with our professional engineers. It is not recommended for customers to make their own purchases.


Special statement:

1. The above image information and technical parameters are subject to changes due to design without further notice, and the latest confirmed product information shall prevail.

2. Our company reserves all rights.
3. Asha ®、 RealDrop ®、 TrueDrop ®、 MicroDrop ®、 WBA ®、 ADSA ® It is a registered trademark of Shanghai Solon.







CAST®Asha®、ADSA®、TrueDrop®、RealDrop®、TheDrop®、MicroDrop®、LMCA®、Shsolon®Solon®Register a trademark for Shanghai Solon.

The above trademark is used for goods or services related to contact angle measuring instruments, surface tension meters, and interfacial tension meters. Infringement will be prosecuted!