Drop Shape Analyzer – DSA100L – Krüss

Optimized Product Description

The Drop Shape Analyzer – DSA100L, a large version specifically designed for automated wettability analysis, is equipped for advanced contact angle measurements and surface free energy evaluations. Housed within an expansive frame, this device accommodates large samples, up to 500 x 500 mm, with its sizeable, rotating sample table and an extended movement axis, facilitating the analysis of substantial surfaces such as touch panels or ceramic tiles.

Applications and Features

The DSA100L is pivotal for the characterization of large pre-treated or coated surfaces and plays a significant role in assessing the cleanliness of windows and frames. Its utility extends to the surface analysis of monitors and touch panels, hydrophobicity analysis of ceramic tiles, and preparation of automobile parts before coating or bonding, making it indispensable in a wide array of industrial applications. This versatility is underpinned by various measuring techniques including dynamic contact angle measurement and evaluation, and the determination of surface free energy using precise drop shape analysis.

Advanced Technology and Software

At the heart of DSA100L’s operation is the ADVANCE software, controlling automated measurements with high precision and efficiency. This software, in conjunction with a high-resolution camera and quality zoom lens, ensures accurate contact angle readings, thereby guaranteeing reliable and repeatable results. The instrument’s software-driven setup enables rapid, automated access to any sample position, promoting high throughput alongside scientific excellence.

Technical Specifications

Dosing System
  • Syringe Dosing: 1 × software-controlled
  • Liquid Needle double pressure dosing: optional
  • Drop deposition (syringe dosing): software-controlled
  • Syringes, volume: glass (1 × 450 µL), disposable (900 µL)
  • Resolution (syringe dosing): 20 nL
  • Speed (syringe dosing): 0.004 to 25 µL/s
Camera system (standard)
  • Model: Camera CF04
  • Connection: USB 3.0
  • Resolution: 1920 × 1200 px
  • Frame rate: 2300 fps
  • Dark noise: 7 electrons
  • Dynamic range: 73 dB
Optics (standard)
  • Focus: manual
  • Zoom: 7× zoom, manual
  • View angle: ±4°
  • Field of view: CF04: 3.9 mm × 3.9 mm to 24.7 mm × 24.7 mm
  • Resolution of optics: CF04: 3.1 to 21.7 µm
Illumination
  • Types: high power monochromatic LED
  • Wave length, dominant: 470 nm
  • Field of light: 46 mm × 46 mm (D × H)
Stages
  • Control: y-axis: software-controlledz-axis: manual z-axis (optional): software-controlledrotation axis: software-controlled
  • Range: y-axis: 350 mmz-axis manual: 45 mmz-axis software-controlled (optional): 38 mmrotation axis: 360°
  • Resolution: y-axis: 10 µmz-axis manual: 16 mm/turnz-axis software-controlled (optional): 10 µmrotation axis: 0.1°
  • Accuracy: y-axis: 100 µmz-axis manual: -z-axis software-controlled (optional): 100 µmrotation axis: 1°
Liquid Needle pressure dosing system
  • Included in setup: optional
  • Types: double
  • Control: software-controlled
  • Cartridge, volume: disposable (1 mL)
  • Resolution: 0.1 µL
  • Speed: fixed (fast jet)
Camera system (optional)
  • 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
Optics (optional)
  • Focus: manual
  • Zoom: 7× zoom, manual
  • View angle: ±4°
  • 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
Tilting (optional)
  • Types: internal tilting table
  • Control: software-controlled
  • Range: 0 to 90°
  • Resolution: 0.01°
  • Accuracy: 0.3°
Software
  • 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)
Sessile drop
  • 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
Surface free energy of solids
  • Results: surface free energypolar & disperse partacid & base partH-bond part
  • Models: equation of stateZismanFowkesWuOwens-Wendt-Rabel-KaelbleSchultz-1extended Fowkesacid-base theory
Captive bubble
  • 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
Pendant drop/rising drop
  • 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
Constrained Sessile Drop
  • Results: surface tension
  • Range: 0.01 to 2000 mN/m (software-based)
  • Resolution: 0.01 mN/m (software-based)
  • Models: Young-Laplace
Sample dimensions
  • Maximum sample space: 700 mm × ∞ × 275 mm (W × D × H (without axes))
  • Maximum measuring surface: 500 mm × 500 mm (W × D)
Instrument dimensions
  • Footprint: 1000 mm × 375 mm (W × D)
  • Height: 490 mm
  • Weight (without accessories): 34 kg
Environment
  • Operating temperature: 10 to 40 °C
  • Humidity: without condensation
Interfaces
  • PC: USB 3.0
Housing and peripherals
  • Compartment: test liquids protected against light
  • Needle protection shield: yes
  • Camera und optics housing: yes
  • Levelling: yes
Power supply
  • Voltage: 88 to 264 V
  • Power consumption: 100 W
  • Frequency: 50 to 60 Hz
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)
  • Locations: environment air
  • External sensor: 2 connectors (PT100)

FAQ - Drop Shape Analyzer – DSA100L – Krüss

What are the key applications of the DSA100L?

The DSA100L is designed for automated wettability analysis of large pre-treated or coated surfaces. It is ideal for assessing the cleanliness of windows and frames, surface analysis of monitors and touch panels, hydrophobicity analysis of ceramic tiles, and preparation of automobile parts before coating or bonding.

What makes the DSA100L suitable for analyzing large surfaces?

Its expansive frame accommodates large samples up to 500 x 500 mm, featuring a sizeable, rotating sample table and an extended movement axis. This allows for the analysis of substantial surfaces with ease.

Can the DSA100L measure the surface free energy of solids?

Yes, the DSA100L is capable of determining the surface free energy using precise drop shape analysis. It employs various models like Zisman and Owens-Wendt-Rabel-Kaelble to provide comprehensive results regarding the surface free energy of solids.

What software is used with the DSA100L, and is it user-friendly?

The DSA100L operates with the ADVANCE software, known for its precision and efficiency in controlling automated measurements. It supports multiple languages and offers modules for different analyses, making it both powerful and user-friendly.

How accurate are the measurements taken by the DSA100L?

The instrument provides highly precise measurements, with resolutions down to 0.01° for contact angle and 0.01 mN/m for surface tension, ensuring reliable and repeatable results.

What type of camera and illumination does the DSA100L use?

The standard setup includes a high-resolution Camera CF04 with USB 3.0 connection and high power monochromatic LED illumination. This setup ensures quality imaging for accurate analysis.

Is the dosing system on the DSA100L versatile for different liquid analyses?

Yes, the DSA100L features a syringe dosing system that is software-controlled, with options for Liquid Needle double pressure dosing. This flexibility allows for precise drop deposition and various liquid analyses.

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