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Surface Chemistry Krüss

Dynamic Foam Analyzer - DFA100 - Krüss

Whether for foam development or avoidance: The DFA100 analyzes foams comprehensively and helps to optimize processes and formulations. Delivered and supported b

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Dynamic Foam Analyzer - DFA100 - Krüss

Introducing the DFA100 Dynamic Foam Analyzer

Unlock the mysteries of foam with the DFA​100 Dynamic Foam Analyzer by Krüss. Designed for both creating optimal foams and preventing unwanted foam formation, this cutting-edge instrument measures foamability and foam stability with unparalleled accuracy. Its capabilities are further enhanced with optional modules for analyzing liquid content and understanding foam structure through bubble size and distribution metrics.

Applications Across Industries

From firefighting foams to surfactant development, the DFA100 serves a wide range of applications. It is used to optimize processes in various industries including flotation for solids separation, foam prevention in paints, varnishes, wastewater, cooling lubricants, and gas sweetening processes.

Advanced Measuring Techniques

Employing optical detection for foam height and stability, along with stirring cycles for heavily foaming liquids, the DFA100 delivers reproducible results. It also offers detailed insights into moisture and drainage behavior, bubble sizes, and their distribution, making it a versatile tool for in-depth foam analysis.

Optimal Performance and Ease of Use

Characterized by its exceptional reproducibility and ease of use, the DFA100 enhances foam analysis with an accurate foaming process control, temperature management up to 90 °C, and compatibility with externally connected gases like CO2. A standout feature is its user-friendly operation, facilitated by the ADVANCE software for automatic analysis and powerful data evaluation.

Product Video

Technical Specifications
Software
  • Software type: ADVANCE
  • Software languages: Chinese (simplified), English, French, German, Japanese, Korean, Portuguese, Russian, Spanish
  • Software modules: Foam analysis (recommended)Remote Control API (optional)
Measurement specifications
  • Analyzed foam characteristic: foamability and foam stability
  • Results: foam heightliquid heighttotal heightfoam capacitymaximum foam densityexpansion ratefoam half life timedrainage half life timesample temperature
Sample dimensions
  • Min. recommended sample volume: 50 mL with 40 mm diameter column20 mL with 20 mm diameter column
Instrument dimensions
  • Footprint: 245 mm × 275 mm (W × D)
  • Height: 460 mm
  • Weight (without accessories): 9 kg
Environment
  • Operating temperature: 15 to 30 °C
  • Humidity: without condensation
Interfaces
  • PC: 1× USB 2.0
Power supply
  • Voltage: 100 to 240 V
  • Power consumption: 30 W
  • Frequency: 50 to 60 Hz
Temperature measurement
  • Sensor: PT100
  • Range: 4 to 90 °C
  • Resolution: 0.1 °C
  • Precision: ±0.1 °C
  • Accuracy: 1/3 DIN B (±0.1 °C at 0 °C / ±0.8 °C at 400 °C)
  • Locations: inside sample liquid
  • External sensor: optional
Temperature control
  • Type of temperature control: optional: double-walled glass column
  • Range of temperature control: 4 to 90 °C (additional thermostat needed)
Accessories
  • Glass columns: 20 and 40 mm diameter, temperature control option
  • Filter plates for sparging: diameter: 14 and 30 mm
  • Filter plate porosities: G1: nominal maximum pore size: 100 to 160 μmG2: nominal maximum pore size: 40 to 100 μmG3: nominal maximum pore size: 16 to 40 μmG4: nominal maximum pore size: 10 to 16 μm
  • Material of columns and frits: borosilicate glass (norm: ISO 4793)
  • Material of sealings: silicone and FKM
Operating system
  • Internal gas flow rate: 0.2 to 1 L/min
  • External gas flow rate: 0.05 to 1 L/min
  • Approved gases: airnitrogencarbon dioxide
  • Approved pressure: 5 ± 0.5 bar
  • Approved temperature: 4 to 90 °C
  • Stirring speed: up to 8000 rpm
Line sensor
  • Sensor resolution: 1728×1px
  • Spatial resolution: 200 dpi | 0.125 mm
  • Temporal resolution: 20 fps
  • Scanning length: 216 mm

Documents & Downloads

Dynamic Foam Analyzer - DFA100 - Krüss - Datasheet PDF Document

Frequently Asked Questions

What industries benefit from using the DFA100?
The DFA100 serves a wide variety of industries, including but not limited to firefighting foam development, surfactant production, flotation processes in solids separation, foam prevention measures in coatings like paints and varnishes, wastewater treatment, cooling lubricants management, and gas sweetening processes.
What kind of measurements can the DFA100 perform?
The DFA100 is capable of analyzing foam characteristics such as foamability and foam stability. It provides detailed results on foam height, liquid height, total height, foam capacity, maximum foam density, expansion rate, foam half-life time, drainage half-life time, and sample temperature.
How does the DFA100 ensure accurate and reproducible results?
Accuracy and reproducibility are achieved through its advanced optical detection for measuring foam height and stability, alongside stirring cycles for heavily foaming liquids. Its compatibility with the ADVANCE software also enables automatic analysis and powerful data evaluation to ensure precise and consistent measurements.
Can the DFA100 measure temperature, and how?
Yes, the DFA100 can measure temperature using a PT100 sensor with a range of 4 to 90 °C. It offers a resolution of 0.1 °C and precision of ±0.1 °C, ensuring accurate temperature readings inside the sample liquid. An external sensor is also available as an optional feature for enhanced measurement capabilities.
Is the DFA100 compatible with any software for data analysis?
Yes, the DFA100 is designed to work seamlessly with the ADVANCE software. This software supports various languages including Chinese (simplified), English, French, German, Japanese, Korean, Portuguese, Russian, and Spanish. It offers modules for foam analysis and an optional Remote Control API, providing users with extensive data analysis and control capabilities.
What accessories come with the DFA100 for different applications?
The DFA100 comes with a variety of accessories to cater to diverse applications. These include glass columns of 20 and 40 mm diameter with temperature control options, filter plates for sparging of various diameters and porosities, and the columns and frits are made of borosilicate glass, with sealings made of silicone and FKM.
What are the operating conditions recommended for the DFA100?
The DFA100 is optimized for use within an operating temperature range of 15 to 30 °C in a non-condensing humidity environment. It requires a power supply of 100 to 240 V, consuming 30 W of power at a frequency of 50 to 60 Hz, ensuring efficient operation under standardized laboratory conditions.

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