DYNAMIC CONTACT ANGLE TENSIOMETER (DCAT)

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INSTRUMENT NAME & MODEL: Dynamic Contact Angle (Dataphysic – DCAT21)

The dynamic contact angle measuring instrument and tensiometer DCAT 21 is the multifunctional instrument for the angle, surface and interfacial tension, critical micelle formation concentration, density, sedimentation, penetration, adhesive force and surface pressure.

CATEGORY: RHEOLOGY LABORATORY

Special Features

SPECIAL FEATURES
1. Main features of the DCAT 21 are as follows:
- high-precision electrodynamic compensation weighing system with automatic calibration
- Software controlled, motor-driven height positioning of the sample receptacles with variable speed
- Automatic coupling lock for the balance
- Illuminated sample chamber with inert gas or vapor inlet
- Versatile specimen holders for various samples, including fibre bundles, powders, film, cylinder and plate samples
- Du Noüy rings – for surface tension measurement of liquid
- Wilhelmy plates – for determination of surface tension (SFT) of a liquid, the interfacial tension (IFT) between two liquids, and the contact angle between a liquid and a solid
1. Instrument specifications:
- Measuring range for surface and interfacial tensions: 1 … 2000 mN/m; ± 0.001 mN/m resolution
- Measuring range for contact angles: 0 … 180°; ± 0.01° resolution
- Measuring range for densities: 0.50 … 2.50 g/cm 3; ± 0.002 g/cm 3 resolution
- Weighing range: 10 µg… 210 g
- Measuring value range: up to 50 weighing values per second
- Traversing range and speed for sample table: 105 mm and 0.7 µm/s … 500 mm/s
- Travel resolution: 0.1 µm
- Balance calibration: automatic internal
- Automatic stirrer: integrated, software controlled
- Temperature measurement and range: - room temperature – 250 °C