Drop Shape Analyzer
DSAHT
Analyzing wetting and material deformation at up to 2000 °C
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The DSAHT Drop Shape Analyzer goes to the extreme when it comes to wetting and deformation analysis of melts and combustion residues. With temperatures up to 2000 °C in a various range of atmospheric conditions, the instrument analyzes melting substances and helps to understand the interactions that occur when melts come into contact with solid material. This knowledge supports you in optimizing combustion, firing, or coating processes in order to create stable end products, save energy during the process, or prolong the service life of your furnaces.
Applications
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Measuring adhesion and wetting of metal slags in smelting plants
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Detecting reactions between the glass and refractory bricks in glass production
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Optimizing wetting of the carrier material by enamel coatings
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Investigating the changes of the green body depending on temperature and time in ceramics production
Measuring methods
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Contact angle of a drop on a solid surface
Measuring results
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Contact angle
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Surface tension (calculated from the curvature of a sessile drop)
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Temperature in close vicinity to the sample
Wetting analysis using precise contact angle measurement
The DSAHT optically determines the contact angle between a liquid and a solid as a direct measure of wetting. Moreover, the surface tension of the hot liquid can be calculated from the curvature of the drop.
The instrument is equipped with a high-resolution camera, which records the sample while being heated up. With special filters that shield the light emitted by glowing materials, a clear shadow image is achieved, ensuring precise contact angle measurement.
Loading the furnace with the sample is a matter of seconds thanks to the easy handling of the sample holder. Due to the contactless nature of video analysis with no mechanical stress applied, the shape of the sample only depends on chemo-physical alterations with respect to time and temperature, which are both assigned to each camera image. The powerful image analysis of the ADVANCE software documents exactly what happens with your sample when heated up.
Accurate heating and versatile instrument configurations
Thanks to precise and stable target temperatures as well as accurate control of temperature ramps, highly repeatable measurements are a matter of course. Depending on the task, the setup of the instrument is optimized for analyses at different temperatures and atmospheres:
| DSAHT2000 | Up to 2000 °C | Inert or reducing |
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| DSAHT1800 | Up to 1800 °C | Inert, oxidizing, or reducing | Vacuum down to 10-4 bar | |
| DSAHT1600 | Up to 1600 °C | Oxidizing or reducing |
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This versatility makes it possible to simulate various industrial high temperature processes or to carry out comprehensive material research, such as metallurgical studies.
YOUR INSTRUMENT'S BRAIN
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Intuitive software with a workflow-oriented user interface
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Swift and repeatable analyses thanks to measurement templates and powerful automation functions
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Superior algorithms for image analyses provide for precise results even with difficult images
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A wide range of evaluation methods makes ADVANCE a reliable scientific tool
Technical Services for your instrument
Learn how we support you from day one and help you make the best use of your instrument with the longest service life possible.
Set Up and Installation
Don’t lose time and let measuring be the first thing you do with your instrument.
Training
Start your analyses with solid know-how and refresh and deepen it during your instrument’s life cycle.
Maintenance and Repair
Expect your instrument to be a reliable long-term employee.