Drop Shape Analyzer – DSA100B – Krüss

Drop Shape Analyzer – DSA100B – Krüss

Overview

The Basic configuration of the DSA100 Drop Shape Analyzer is a precision instrument designed for the manual measurement of static contact angles, combining robust DSA100 system capabilities with technical advantages. Ideal for examining the effectiveness of cleaning processes, ensuring coating quality, and optimizing wetting procedures, its simplicity in exchanging samples and dosing liquids makes it a valuable tool in your surface analysis arsenal. Expand its application range with optional high-temperature measurement accessories and various upgrade paths.

Key Applications

  • Wettability analysis for a variety of materials including plastics, glass, ceramics, wood, paper, and metals.
  • Evaluation of hydrophobic and other coating effectiveness.
  • Surface cleanliness assessment.
  • Temperature-controlled wetting behavior study.

Advanced Measurement Techniques

  • Contact angle measurement for both drops on solids and bubbles under solids in liquids.
  • Analysis of drop roll-off behavior and dynamic contact angles on tilted surfaces.
  • Surface tension evaluation using perfectly symmetrical drops.
  • Dewetting behavior characterization through recently receded contact angles.

Why Choose DSA100B?

DSA100B sets the standard in manual precision dosing, featuring a high-resolution camera and quality zoom lens for clear drop visualization. With its robust protective housing, the instrument minimizes vibration interference and simplifies viewing angle adjustments, eliminating the need for tedious sample height tracking. Beyond its core capabilities, the DSA100B offers a myriad of accessories and software-driven liquid dosing upgrade options for enhanced usability and thorough surface free energy calculations.

Technical Specifications

Dosing System
  • Syringe Dosing: 1 × manual
  • Liquid Needle double pressure dosing: optional
  • Multi-dosing system (optional): up to 8 liquids software-controlled
  • 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: 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: x-axis: no (manual or software-controlled optional available)y-axis: no (manual or software-controlled optional available)z-axis: manual
  • Length: x-axis: -y-axis: -z-axis: 45 mm
  • Resolution: x-axis: -y-axis: -z-axis: 16 mm/turn
  • Accuracy: x-axis: -y-axis: -z-axis: -

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 tableexternal tilting table
  • Control: software-controlled
  • Range: 0 to 90°
  • Resolution: internal: 0.01°external: 0.1°
  • Accuracy: internal: 0.3°external: 1°

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: advancingrecedingstaticdynamictilting

Surface free energy of solids
  • Results: surface free energy
  • polar & 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: 55 μm
  • 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: advancingrecedingstaticdynamictilting

Pendant drop/rising drop
  • Results: surface tension
  • interfacial tension
  • Range: 0.01 to 2000 mN/m (software-based)
  • Resolution: 0.01 mN/m (software-based)
  • Models: Young-Laplace
  • Types: staticdynamic

Stood-up Drop
  • Results: contact angle
  • Range: 8 to 100° (hardware-based)
  • Resolution: 0.01° (software-based)
  • Models: conic sectionpolynomialcircleYoung-Laplaceheight-width
  • Types: recently receded

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 × ∞ × 275 mm (W × D × H (without axes))

Instrument dimensions
  • Footprint: 555 mm × 375 mm (W × D)
  • Height: 490 mm
  • Weight (without accessories): 24 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: sample stagechambercuvette
  • External sensor: 2 connectors (PT100)

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 – DSA100B – Krüss

What is the DSA100B Drop Shape Analyzer?

The DSA100B Drop Shape Analyzer is a precision instrument from Krüss designed for manually measuring static contact angles. It is equipped with robust system capabilities and technical advantages for examining cleaning processes, coating quality, and optimizing wetting procedures. It features a high-resolution camera and offers the ability to expand its application with optional accessories and upgrades.

What are the key applications of the DSA100B?

The DSA100B is used for wettability analysis of various materials such as plastics, glass, ceramics, and metals, evaluation of coating effectiveness, surface cleanliness assessment, and temperature-controlled wetting behavior studies.

What measurement techniques does the DSA100B support?

The DSA100B supports several advanced measurement techniques, including contact angle measurement for drops and bubbles, analysis of drop roll-off behavior on tilted surfaces, surface tension evaluation using symmetric drops, and characterization of dewetting behavior.

Can the DSA100B be upgraded for enhanced usability?

Yes, beyond its core capabilities, the DSA100B offers various accessories and software-driven liquid dosing upgrade options for enhanced usability and comprehensive surface free energy calculations.

What type of camera system does the DSA100B utilize?

The standard configuration includes a Camera CF04 with a USB 3.0 connection, 1920 × 1200 px resolution, and a frame rate of 2300 fps. There is also an optional 5 megapixel high-speed camera CF10 available.

Does the DSA100B offer temperature measurement and control options?

Yes, the DSA100B has options for temperature measurement ranging from -50 to 400 °C with precision and accuracy. Temperature control options are also available, including liquid, liquid (large), Peltier, and electrical types covering a wide range of temperatures.

What are the system requirements for the DSA100B software?

The DSA100B uses the ADVANCE software, which is available in multiple languages and features modules for contact angle, surface free energy of solids, interfacial and surface tension of liquids, adhesion analysis, and more. It requires a PC with a USB 3.0 interface for operation.

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