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CAM 101 brochure www ksvltd com CAM 101 – Optical Contact Angle and Surface Tension Meter Applications • Surfactants, Soaps & Detergents • Emulsions • Polymers • Pharmaceuticals • Sprays, Paints & Coa[.]
CAM 101 – Optical Contact Angle and Surface Tension Meter KSV's CAM 101 is a fully computer controlled instrument based on capture and automatic analysis of video images for measuring static or dynamic contact angles, surface free energies, absorption and surface tension of liquids It is designed for quality control, as well as routine applications in industry, education and R&D Applications Key Features • • • • • • • • • • • • Easy and automatic determination of surface/interfacial tension, contact angles, adsorption and surface free energy • Automatic baseline detection in CA measurement • Static and dynamic measurements • Complete Curve fitting based on Young - Laplace equation • LED based background lighting • FireWire digital CCD camera • WindowsTM (98/NT/2000/XP) Compatible Software • Runs on both laptop and desktop computers • Highly accurate Surfactants, Soaps & Detergents Emulsions Polymers Pharmaceuticals Sprays, Paints & Coatings Paper, Film & Ink products Cosmetics Textiles Food industry Surface treatments Cleanliness www.ksvltd.com How to measure contact angle and surface tension with CAM 101 CAM 101 is an accurate, simple, and easy to use, yet extremely powerful instrument CAM 101 uses drop shape analysis for determining static or dynamic contact angles, absorption and surface/interfacial tensions of liquids.The KSV CAM software for image analysis is a true 32-bit software running on WindowsTM 98/NT/2000/XP Two factors are critical to the accurate measurement of contact angles and surface/interfacial tensions by optical techniques; image quality and method of image analysis Image quality depends on the lighting source, lens and image capture of the instrument The high resolution CCD camera ensures that these images are captured and transferred to the software without distortion or degeneration Image analysis is performed on the image stored to your computer The drop profile is extracted from the stored image with subpixel accuracy This profile is then curve fitted to the Young-Laplace equation The entire fitted curve may then be used to calculate contact angle or surface tension This approach represents an important advance over traditional calculation of these parameters from drop images Circular, polynomial and BashforthAdams approaches (also available in the software) utilize only parts of the drop profile and may often produce erroneous results, especially for contact angles of large drops • • • • • • • • • • • Static or equilibrium contact angle Sessile drop (bubble) surface tension Absorption Wetting Drop volume Length of the drop baseline Surface free energy of solids: Zisman Plot (critical surface tension) OWRK Simple Fowkes (geometric mean) Extended Fowkes Wu (harmonic mean) van Oss Acid-Base Equation of State Schultz Schultz Pendant drop/raised bubble surface/interfacial tension Static & Dynamic surface/interfacial tension Critical micelle concentration Drop volume CAM 101 Specifications Measuring ranges Inaccuracy Maximum sample size Frame interval Max Measuring speed Camera Light source Dispenser Computer requirements www.ksvltd.com 180°, 0.01 999 mN/m ± 0.1°, ± 0.01 mN/m Unlimited x 150 x 150 mm 33 ms 1000 s 30 full frames per second FireWire CCD camera with 50 mm optics LED based background lighting Manual Hamilton ml adjustable precision syringe with proprietary easy to use "One Touch Dispenser" mechanism Desktop or laptop PC with WindowsTM 98/NT/2000/XP KSV Instruments Ltd Höyläämötie 00380 Helsinki FINLAND Tel +358-9-5497-3300 Fax +358-9-5497-3333 e-mail: info@ksvltd.fi Web site: www.ksvltd.com KSV Instruments Inc P.O Box 192 Monroe, CT 06468 USA Tel +1-800-280 6216 +1-203-268-1745 Fax +1-203-459-0437 e-mail: ksvinfo@aol.com