ISO15989 ASTM D724 Optical Contact Angle Tester Water Drop Angle Measuring Instrument
1. Summary
The Contact Angle is the tangent to the gas-liquid interface at the point of intersection of gas, liquid and solid. This tangent line has an angle between the liquid and the solid-liquid boundary. The measurement of contact angle is the main method of surface property inspection nowadays.
Standard contact angle measuring instrument is the use of optical imaging principle, to image contour analysis of the way to measure the surface contact angle, wetness, surface interface tension, surface energy and other properties of the equipment cost-effective, comprehensive features to meet the needs of conventional measurement, has been widely used in many colleges and institutes and enterprises.
2. Application
Contact Angle Measuring Instrument is widely used in various industries. In the fields of mobile phone manufacturing, glass manufacturing, surface treatment, material research, chemical industry, semiconductor manufacturing, coating and ink, electronic circuit, textile and fiber, medical and biological, contact angle measurement has become an important instrument for evaluating surface properties.
(some test functions need to be completed by purchasing special accessories)
1. Wetting behaviors of liquid on solid surface, such as spreading, infiltration and absorption, etc., static contact Angle was measured by droplet method;
2. Measurement of forward Angle, backward Angle, contact Angle lag, rolling Angle and dynamic contact Angle of materials on solid surface;
3. Continuous real-time research and process recording of absorption materials, and curve analysis of contact Angle changes with time;
4. Measurement of contact Angle of various special materials, such as powder, curved surface, superhydrophobic/superhydrophilic samples;
5. Test the contact Angle of the material immersed in the liquid by adhesive drop method;
6. Measurement of interfacial tension, polarity and dispersion components of various liquid surface by droplet method;
7. Calculate the Surface free energy and analyze its polar dispersion component;
8. Analyze the adherent work of liquid on solid surface to evaluate the uniformity and cleanliness of solid surface.
3. Principle
As shown in the figure above, the contact Angle measuring instrument is mainly composed of five parts: light source, injection unit, sample table, acquisition system and analysis software. The equipment adopts the principle of optical imaging.
Light source adopts dense LED cold light design, uniform light emitting, image cleaning, long life;
The injection unit adopts micro manual knob type liquid injection, with stable drip and high precision;
The sample table adopts 3d manual fine adjustment platform, flexible operation, accurate positioning, the sample table can be customized according to the actual sample size;
The acquisition system adopts the black and white imported CCD camera, which is stable to shoot, with clear and reliable images. The lens is equipped with the German industrial-grade imported configuration, with the magnification adjustable from 0.7 to 4.5 times, and the imaging is free from deformation.
The analysis software has powerful functions, has one-button automatic fitting ability, has the most advanced fitting method in the world, and meets the precise fitting of various droplet forms;
4. Specifications
| Host machine |
| Outsize |
550mm(L)*196mm(W)*485mm(H) |
| Weight |
11KG |
| Power |
220V / 60HZ |
| Light source system |
| Light source |
Dense LED can adjust blue tone industrial grade cold light source |
| Lifelong |
The service life is more than 25,000 hours |
| Injection unit |
| Injector |
Dedicated precision syringe capacity 1000μL |
| Drip |
Manual rotary injection, drip precision can be achieved 0.2μL |
| Injection unit movement |
Up down 100mm; Left right 100mm |
| Acquisition system |
| CCD |
SONY imported high speed industrial chip with 25 frames /S and 130W pixels |
| Lens |
0.7-4.5 times hd industrial-grade continuous variable magnification microscope |
| Acquisition system adjustment |
Before and after 60 mm, view Angle adjustable (smooth inspect, look down, 360 ° rotating Angle of view, etc) |
| Sample station installation |
| Work Table size |
120mm*150mm |
| Maximum sample size |
10 inch |
| Maximum sample size |
Front back move manual,stroke 60mm,accuracy 0.1mm
Left right move, manual,stroke 35mm,accuracy 0.1mm
Up down move, manual,stroke 80mm,accuracy0.1mm |
| Software |
| Contact Angle measurement range |
0-180° |
| Accuracy of contact Angle measurement |
±0.1° |
| Analyze software functions |
1. China's most advanced contact Angle measurement and analysis software automatic fitting method(One key automatic fitting, There is no manual error) Include: Circle method, Ellipse / Oblique ellipse, LY, (Differential circle / Differential ellipse);
2. Dynamic contact Angle fitting (batch fitting of multiple images),include Wettability,(Video analysis);
3. Surface energy;
4. Adhesion work;
|
5. Accord with national standard
1.GB/T 24368-2009(detection of hydrophobic pollutants on glass surface);
2.SY/ t5153-2007 (reservoir rock wettability measurement method);
3.ASTM D 724-99 (2003) (test method for wettability of paper surfaces);
4.ASTM d5946-2004 (measurement of the contact Angle between plastic film and water);
5.ISO15989 (measurement of water contact Angle of plastic film and thin plate corona treated film);
6. Product features
1. The main machine adopts the modular design concept of high-strength aviation aluminum alloy structure, the integrated chip circuit control independently researched and developed, and adopts the design essence and configuration of the international top imported contact Angle equipment to ensure the instrument has a strong stability;
2. Industrial grade dense adjustable LED cold light source system (life of more than 25000H) is adopted to ensure clearer imaging and avoid evaporation of small droplets caused by extra heat;
3. High performance imported industrial movement from Japan, industrial grade
Continuous variable-magnification microscope, to ensure the authenticity of the image, to obtain Optimal imaging results;
4. USB2.0 standard interface, fast data transmission speed, high compatibility and strong imaging stability;
5. First, the contact Angle measurement calibration sample provide German imports to ensure precision instruments, Angle calibration standard 3 ° 5 ° 8 °;60 ° 90 ° 120 °;115 ° (optional);
6. The collection system is flexible in design, suitable for most of the measurement environment, and simple to deal with a variety of complex sample surface measurement;
7. It has the world's most advanced contact Angle analysis method to meet all kinds of liquids
Accurate fitting of droplet imaging, including shengding's unique differential ellipse
And the method of fitting the differential circle special liquid imaging.
8. Adopting the internationally leading calculation method, the software has realized automatic fitting to avoid errors caused by human operation;
9. Quick fitting function for bilateral contact Angle measurement, more comprehensive quantitative analysis
The wettability of liquid and solid surfaces for more accurate surface analysis
Actual wetting conditions;
10. Dynamic shooting and video quick test data can continuously record the change of test contact Angle, and then the software can automatically batch fit;
11. The software automatically generates reports, which are covered Word format, Excel format, spectrum Various forms of data report;
12. With various optional functional parts, our r&d team is strong enough to meet various customized measurement requirements proposed by customers;
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