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SITA - Model SurfaSpector -Contact Angle Measurement Device
The SITA SurfaSpector is designed for rapid and straightforward testing of the wettability of metal, glass, and plastic surfaces, typically after surface pre-treatment or cleaning processes. The device employs an automatic dosing unit to precisely position a drop of liquid onto the surface. Illuminated from the side, the drop casts a shadow onto an inclined measuring surface, which is captured by a high-resolution camera and corrected for perspective distortions. This process enables accurate determination and calculation of the contact angle, indicating the degree of wetting from complete wetting at angles near 0° to hydrophobic conditions at angles above 90°. The SITA SurfaSpector is particularly valuable in quality assurance and process optimization, ensuring consistency in surface treatment across various industrial applications.
The SITA SurfaSpector is used for quick and easy testing of the Wettability of metal, glass and plastic surfaces, e.g. after surface pre-treatment or cleaning.
The device combines an objective Contact angle measurement with simple handling and allows a reliable assessment of the surface.
- Automated measuring sequence with drop placement, drop detection and contact angle determination
- Mobile and flexible use without PC directly at the plant or in the process
- Easy and intuitive operation via touchscreen
- Handy sensor head for measuring on various surface geometries
- Quantity : Contact angle in mN/m
- Fields of application : Control of the surface activation, e.g. after a plasma treatment
- Testing wettability
- Quality assurance after part cleaning
- Use : Control of the water contact angle on surfaces, e.g. plastics, metals, ceramics, glass, etc.
- Measurement : non-contact, non-destructive, non-toxic
- Measurement monitoring : SITA bead standards (standard delivery)
- Industry : Surface technology, automotive, mechanical engineering, medical technology, electrical engineering, aerospace and many more
- Quality assurance after parts cleaning
- Wettability inspection
- Testing of surface activation, e.g. after a plasma treatment and many more applications in surface analysis