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- Budget-friendly instrument design
- High-quality optics, 6.4-fold zoom, high resolution camera 79 fps up to 301 fps
- Contact angle by standard drop shape analysis
- 1 or 2 software-controlled direct dosing systems, glass or disposable syringes
- Optional measurement of sample and environmental temperature
The trend to water-based bonding, coating and printing on plastics has made solving wetting problems an important challenge. With the contact angle instrument DSA25, KRÜSS covers the increasing demand for rapid wetting tests.
The DSA25 is a manual or semi-automatic instrument for contact angle measuring techniques with a low investment barrier. As basic model, standard instrument or as expert version it provides options for differing demands.
All versions are equipped with a high-resolution IEEE 1394 camera with 79 fps at full resolution. The camera viewing angle is set selectively using a scale. Extensive accessories such as thermostatted or humidity chambers or thermostatted dosing units can equip the instrument for solving particular problems.
The functions of the software DSA4 can be adapted to the complexity of the task with rapid single measurements or programmed measuring sequences with almost unlimited numbers of drops.
|Camera system|| |
|Sessile drop/captive bubble||Result: Contact angle (CA) |
Range: 0 to 180°
|Surface free energy of solids||Result: surface free energy (SFE)|
|Pendant drop/rising drop||Result: Interfacial tension (IFT)/surface tension (SFT) |
Range: 0.01 to 2000 mN/m
Resolution: 0.01 mN/m
Accuracy: 0.3 mN/m
|Sample dimensions||Maximum sample spacel: 320 (w) × ∞ (D) × 165 (H) mm|
|Temperature control||Devices: Temperature-controlled sample stage, chambers, cuvette |
Type: Liquid, Electrical, Peltier
Range: -30 to 400 °C
Maximum sample size: 132 (W) × 132 (D) × 27 (H) mm
Resolution: 0.1 K
External circulator: With liquid
Inert gas: Yes
|Temperature measurement||Range: -50 to 400 °C |
Resolution: 0.1 °C
Precision: 0.1 °C
Accuracy 1/3 DIN B (±0.1 °C at 0 °C to ±0.8 °C at 400 °C)
External sensor: 2 connectors (PT100)
|Dimensions||610 (W) × 250 (D) x 430 (H) mm|
|Weight (without accessories)||10kg|