Optical High-Temperature Contact Angle Analyzer
The GFT-II optical contact-angle analyzer monitors wetting and contact-angle changes as metals and inorganic compounds are heated through sintering, softening, melting, and liquefaction. It uses transmission projection, computer image analysis, and controlled heating in vacuum or protective atmospheres.
- Model
- GFT-II-17
- Category
- Contact Angle & Surface Tension
Product Description
A specimen is heated and melted before contacting a substrate in a vacuum or protective-atmosphere environment. The system records images and temperature or height data and analyzes projected shape for surface tension, wetting angle, and dynamic contact angle. Computer control provides automatic image storage, data acquisition, and analysis.
The configuration includes a CCD imaging system, B-type thermocouple, molybdenum-rhodium wire furnace, selectable contact-angle analysis methods, manual focusing, vacuum and protective-gas equipment, and optional 360° rotation.
Ordering information: Specify the ordered model, furnace temperature limits, and protective-atmosphere capability when requesting a quotation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Heating furnace | Molybdenum-rhodium wire; wire diameter 1.5 mm |
| Control thermocouple | B type |
| Control | Microprocessor program control or manual control |
| Lighting | 6 V; 30 W instrument lamp, adjustable or fixed brightness; optional LED monochromatic cold light |
| Power supply | Single-phase 220 V; 50 Hz |
| Protection | Over-temperature and over-current protection |
| CCD camera | 5000000 pixels; 25 frames/s |
| Lens | 0.7–4.5× continuous zoom; 50–318 pixel/mm image magnification |
| Focusing | Manual; up/down, front/back, and pitch adjustment |
| Contact-angle methods | Height method; angle method; five-point fitting; inserted-plate calculation; pendant-drop fitting; automated image analysis |
| Angles | Dynamic and static contact angles; advancing, receding, inclined, and rolling angles |
| Rotation platform | 360° platform available by special order |
| Surface correction | Convex, concave, spherical, and rough surfaces |
| Vacuum/protective gas | Vacuum pump and vacuum unit; protective gas available |
| Configuration | Vacuum furnace; automatic specimen-feed system; camera system; specimen platform; test software |
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