Drop Shape Analyzer – DSA25B – Krüss

Drop Shape Analyzer – DSA25B – Krüss

Optimize Wettability and Cleanliness Measurements

The DSA25 Drop Shape Analyzer is a versatile and user-friendly instrument designed for accurate wetting measurements using standard or sample liquids. It’s perfect for quick static contact angle measurements across various applications without needing high-standardization procedures. Ideal for assessing the wetting of different coating liquid formulations on diverse samples, this tool simplifies quality control and R&D processes.

Key Applications

  • Checking wettability of surfaces like plastics, glass, ceramics, wood, paper, and metal.
  • Evaluating hydrophobic and other coatings’ effectiveness.
  • Characterizing surfactants in R&D and much more.

Why Choose DSA25 Drop Shape Analyzer?

With features that support rapid liquid changes for high throughput and quality optics for clear drop shape analysis, the DSA25 provides precise results even for challenging images. It’s equipped with intuitive software, allowing for swift, repeatable analyses and a wide range of measurement applications, making it an essential scientific tool in your laboratory.

Technical Specifications

Dosing System
  • Syringe Dosing: 1 × manual
  • Liquid Needle double pressure dosing: optional
  • Drop deposition (syringe dosing): manual
  • Syringes, volume: glass (500 μL), disposable (1 mL)
  • Resolution (syringe dosing): -
  • Speed (syringe dosing): -

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: 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

Illumination
  • Types: high power monochromatic LED
  • Wave length, dominant: 470 nm
  • Field of light: Ø 42 mm

Stages
  • Control: z-axis: manual (movable in x- and y-direction)
  • Length: z-axis: 45 mm

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: 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

Tilting (optional)
  • Types: external tilting table
  • Control: software-controlled
  • Range: 0 to 90°
  • Resolution: 0.01°
  • Accuracy: 0.5°

Optics with extender lense (optional)
  • 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
  • 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 (optional)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)

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: staticdynamictilting

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

Meniscus
  • 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

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: staticdynamictilting

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: 320 mm × ∞ × 165 mm (W × D × H (without axes))

Instrument dimensions
  • Footprint: 610 mm × 250 mm (W × D)
  • Height: 430 mm
  • Weight (without accessories): 10 kg

Environment
  • Operating temperature: 10 to 40 °C
  • Humidity: without condensation

Interfaces
  • PC: USB 3.0

Housing and peripherals
  • Levelling: yes

Power supply
  • Voltage: 88 to 264 V
  • Power consumption: 40 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: sample stagechambercuvette
  • External sensor: retrofittable

Temperature control
  • 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

FAQ - Drop Shape Analyzer – DSA25B – Krüss

What makes the DSA25 Drop Shape Analyzer ideal for quality control and R&D processes?

The DSA25 is designed for quick and accurate wetting measurements across various applications without the need for high-standardization procedures. Its versatility and user-friendliness, combined with rapid liquid changes and quality optics, allow for clear drop shape analysis and precise results, even in challenging imaging conditions. This makes it perfect for quality control and R&D processes.

Can the DSA25 Drop Shape Analyzer be used with different types of surfaces?

Yes, the DSA25 is suitable for checking the wettability of various surfaces including plastics, glass, ceramics, wood, paper, and metal. This flexibility makes it an invaluable tool across multiple industries and research fields.

What features does the DSA25 offer for ensuring high-quality imaging?

The analyzer is equipped with a standard camera system (Camera CF04) featuring a resolution of 1920 × 1200 px and a frame rate of 2300 fps. It also includes high power monochromatic LED illumination and quality optics with manual focus and zoom, ensuring clear and detailed drop shape analysis.

Is the software user-friendly and available in multiple languages?

Yes, the DSA25 comes with the ADVANCE software, which is intuitive and supports multiple languages including Chinese (simplified), English, French, German, Japanese, Korean, Portuguese, Russian, and Spanish. This ensures a user-friendly interface for global users.

Can the DSA25 Drop Shape Analyzer handle temperature-sensitive samples?

While the standard configuration does not include temperature control, optional temperature-controlled stages, chambers, and cuvettes are available. These accessories can accommodate a wide range of temperature control, from -30 to 400 °C, allowing for precise analysis of temperature-sensitive samples.

What types of measurements can be performed with the DSA25?

The DSA25 allows for a wide range of measurements including contact angle determination, surface free energy calculation, meniscus analysis, as well as dynamic, static, and tilting types. Optional modules also allow for interfacial and surface tension measurements via pendant drop, rising drop, and constrained sessile drop methods, catering to a broad spectrum of analytical needs.

Is it possible to upgrade the DSA25 Drop Shape Analyzer for more advanced applications?

Yes, the DSA25 is designed to be modular and can be optionally equipped with a high speed 5 megapixel camera (CF10), a double liquid needle dosing system, an external tilting table, and optics with an extender lens for enhanced capabilities in advanced applications and research.

Related products

3D Contact Angle – Ayríís – Krüss

Drop Shape Analyzer – DSA100B – Krüss

Drop Shape Analyzer – DSA100E – Krüss

Drop Shape Analyzer – DSA100HP1750 – Krüss

Drop Shape Analyzer – DSA100HP40 – Krüss

Drop Shape Analyzer – DSA100HP690 – Krüss

Drop Shape Analyzer – DSA100L – Krüss

Drop Shape Analyzer – DSA100M – Krüss

Drop Shape Analyzer – DSA100S – Krüss