Surface Chemistry Krüss
Drop Shape Analyzer - DSA25S - Krüss
Measure wettability and cleanliness and test coatings and pre-treated surfaces of all kind. Delivered and supported by Cromocol.
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Optimized Solutions for Surface Analysis
The Krüss DSA25S Drop Shape Analyzer is an exceptional tool designed for the precise measurement of static or dynamic contact angles, pivotal in determining the surface free energy through several liquids applications. It excels in delivering swift evaluations on the wettability of surfaces, crucial for verifying the quality of cleaned, pretreated, or coated samples.
Wide Range of Applications
This analyzer is instrumental in the quality assurance of activation processes, including plasma, flame, and corona treatments. It’s highly versatile, applicable for checking the wettability across various materials such as plastics, glass, ceramics, wood, paper, or metal, testing hydrophobic coatings, and conducting wetting analysis at controlled temperatures.
Comprehensive Measuring Capabilities
With capabilities for both contact angle measurements and surface free energy evaluations, the DSA25S provides a solid foundation for reliable and repeatable analysis. Enhanced by a high-resolution camera and premium optics, the device guarantees accurate measurements, supported by the ADVANCE software for efficient data processing and time-controlled measurement initiation, tailored to accommodate time-sensitive wetting behaviors.
Technical Specifications
Dosing System
- Syringe Dosing: 1 × software-controlled
- Liquid Needle double pressure dosing: optional
- Drop deposition (syringe dosing): manual
- Syringes, volume: glass (1 × 450 μL), disposable (900 μL)
- Resolution (syringe dosing): 20 nL
- Speed (syringe dosing): 0.004 to 25 µL/s
- Model: Camera CF04
- Connection: USB 3.0
- Resolution: 1920 × 1200 px
- Frame rate: 2300 fps
- Dark noise: 7 electrons
- Dynamic range: 73 dB
- Focus: manual
- Zoom: 6.5× zoom, manual
- View angle: ±3°
- Field of view: CF04: 3.2 mm × 3.2 mm to 18.5 mm × 18.5 mm
- Resolution of optics: CF04: 2.5 to 16.2 μm
- Types: high power monochromatic LED
- Wave length, dominant: 470 nm
- Field of light: Ø 42 mm
- Control: z-axis: manual (movable in x- and y-direction)
- Length: z-axis: 45 mm
- Included in setup: optional
- Types: double
- Control: software-controlled
- Cartridge, volume: disposable (1 mL)
- Resolution: 0.1 μL
- Speed: fixed (fast jet)
- Model: 5 megapixel high speed camera CF10
- Connection: USB 3.0
- Resolution: 2592 × 2048 px
- Frame rate: 3450 fps
- Dark noise: 9.3 electrons
- Dynamic range: 60 dB
- Focus: manual
- Zoom: 6.5× zoom, manual
- View angle: ±3°
- Field of view: CF10: 7.1 mm × 5.6 mm to 49.8 mm × 39.4 mm
- Resolution of optics: CF10: 2.7 to 19.2 μm
- Types: external tilting table
- Control: software-controlled
- Range: 0 to 90°
- Resolution: 0.01°
- Accuracy: 0.5°
- Zoom: 2× magnification, fixed
- Field of view: with CF04: 1.5 × 1.5 to 10.1 × 10.1 mmwith CF10: 2.7 × 2.1 to 18.0 × 14.2 mm
- Resolution: with CF04: 1.3 to 8.4 μmwith CF10: 1.0 to 7.0 μm
- Software type: ADVANCE
- Software languages: Chinese (simplified), English, French, German, Japanese, Korean, Portuguese, Russian, Spanish
- Software modules: Contact angle (recommended)Surface free energy of solids (recommended)Interfacial and surface tension of liquids: - pendant drop, rising drop (optional)- Contrained Sessile Drop (optional)Adhesion Analysis (optional)Remote Control API (optional)Fiber contact angle: - Meniscus (optional)
- Results: contact angle
- Range: 0 to 180° (software-based)
- Resolution: 0.01° (software-based)
- Accuracy: 0.1° (instrument-based)
- Models: conic sectionpolynomialcircleYoung-Laplaceheight-width
- Types: advancingrecedingstaticdynamictilting
- Results: surface free energypolar & disperse partacid & base partH-bond part
- Models: equation of stateZismanFowkesWuOwens-Wendt-Rabel-KaelbleSchultz-1extended Fowkesacid-base theory
- Results: contact angle
- Range: 10 to 90° (software-based)
- Resolution: 0.01° (software-based)
- Minimum fiber diameter: 65 μm, 40 μm (with optional extender)
- Types: staticdynamicadvancingreceding
- Results: contact angle
- Range: 0 to 180° (software-based)
- Resolution: 0.01° (software-based)
- Accuracy: 0.1° (instrument-based)
- Models: conic sectionpolynomialcircleYoung-Laplaceheight-width
- Types: advancingrecedingstaticdynamictilting
- Results: surface tensioninterfacial tension
- Range: 0.01 to 2000 mN/m (software-based)
- Resolution: 0.01 mN/m (software-based)
- Models: Young-Laplace
- Types: staticdynamic
- Results: surface tension
- Range: 0.01 to 2000 mN/m (software-based)
- Resolution: 0.01 mN/m (software-based)
- Models: Young-Laplace
- Maximum sample space: 320 mm × ∞ × 165 mm (W × D × H (without axes))
- Footprint: 610 mm × 250 mm (W × D)
- Height: 430 mm
- Weight (without accessories): 10 kg
- Operating temperature: 10 to 40 °C
- Humidity: without condensation
- PC: USB 3.0
- Levelling: yes
- Voltage: 88 to 264 V
- Power consumption: 100 W
- Frequency: 50 to 60 Hz
- 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)
- Locations: sample stagechambercuvette
- External sensor: 2 connectors (PT100)
- Equipment: Optional: - temperature-controlled sample stage - chamber - cuvette
- Type of temperature control: liquidliquid (large)Peltierelectrical
- Range of temperature control: liquid: 5 to 90 °Cliquid (large): -10 to 130 °CPeltier: -30 to 160 °Celectrical: 50 to 400 °C
- Maximum sample space: 132 mm × 132 mm × 27 mm (W × D × H) (Large liquid chamber)
- Resolution: 0.1 °C
- Flow-through thermostat: with liquid
- Inert gas: yes
Documents & Downloads
Frequently Asked Questions
What are the main functionalities of the Krüss DSA25S Drop Shape Analyzer?
The Krüss DSA25S Drop Shape Analyzer specializes in measuring static or dynamic contact angles, and calculating surface free energy from these measurements. It is ideal for evaluating the wettability of various surfaces, making it an indispensable tool for confirming the efficacy of cleaning, pretreatment, or coating processes.
Can the DSA25S Analyzer be used for materials other than plastics and metals?
Yes, the Krüss DSA25S is highly versatile and can be applied to a wide array of materials including plastics, glass, ceramics, wood, paper, and metals. This makes it suitable for a broad spectrum of applications, from checking the wettability of hydrophobic coatings to conducting wetting analysis under controlled temperatures.
What makes the DSA25S Analyzer’s measurements accurate and reliable?
The accuracy and reliability of the DSA25S are achieved through its high-resolution camera and premium optics. Enhanced measurement capabilities are further supported by the ADVANCE software, facilitating efficient data processing and enabling time-controlled measurements for analyzing time-sensitive wetting behaviors.
What type of dosing system does the DSA25S use, and what are its capabilities?
The DSA25S employs a syringe dosing system with optional liquid needle double pressure dosing. It includes manual drop deposition and offers a dosing speed ranging from 0.004 to 25 µL/s, with a resolution of 20 nL. This provides precise control over the liquid dosing necessary for accurate surface analysis.
Is temperature control available with the DSA25S Analyzer?
Yes, temperature control is an optional feature that can be added to the DSA25S Analyzer. It includes options for a temperature-controlled sample stage, chamber, and cuvette, with a broad temperature control range across various equipment options, such as liquid, Peltier, and electrical, accommodating a wide range of experimental needs.
Can the DSA25S Analyzer perform measurements on fibers or very small samples?
Absolutely. The DSA25S Analyzer, especially when equipped with an optional extender lens, is capable of measuring contact angles on fibers or small samples. It offers specific modules for capturing static and dynamic contact angles on minimum fiber diameters down to 40 μm with enhanced resolution, providing detailed analysis for nearly any size sample.
How does the optional high-speed camera enhance the DSA25S’s capabilities?
The optional high-speed camera, model CF10, increases the Analyzer's frame rate to 3450 fps and offers a higher resolution of 2592 × 2048 px. This enhancement allows for a more detailed and rapid capture of dynamic wetting processes, making the DSA25S suitable for complex and fast-moving surface analysis applications.
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