Dynamic Foam Analyzer – DFA100LCM – Krüss

Dynamic Foam Analyzer – DFA100LCM – Krüss

Optimize Your Product’s Liquid Foam Quality with DFA100LCM

The DFA100LCM by Krüss is a state-of-the-art analyzer designed to measure the moisture content in foams over time at various heights. By utilizing the foam’s conductivity as a key indicator, the LCM Liquid Content Module delivers invaluable insights into foam stability. This information is crucial for enhancing products where moisture is a significant factor, including washing foams.

Applications Across Industries

This versatile tool is perfect for analyzing washing and cleaning foams, foams used in food and personal care, surfactant development, firefighting foams, and even for flotation processes in solid separation. Its ability to measure foamability and stability, alongside moisture and drainage behavior, makes it indispensable in quality control and product development.

Why Choose DFA100LCM?

With the ability to perform consecutive measurements and display results cohesively, the DFA100LCM ensures fast and reliable assessment of foam’s maximum liquid content, decay time, and drainage curve. Discover the DFA100LCM’s application in real-world scenarios, from rapid foam stability measurements that circumvent lengthy observation periods to its comprehensive foam characterization capabilities facilitated by Krüss’s proprietary ADVANCE software.

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 stabilityliquid content and drainage
  • Results: foam heightliquid heighttotal heightfoam capacitymaximum foam densityexpansion ratefoam half life timedrainage half life timesample temperatureliquid content at 7 sensor positionsresistance at 7 sensor positions25 %, 50 % and 75 % liquid content time

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): 10 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: 40 mm diameter, temperature control option
  • Filter plates for sparging: diameter: 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

Camera system
  • Diameter of minimum detectable bubble: -
  • Mean field of view size: -
  • Focus: -

Camera system (standard)
  • Connection: -
  • Performance: -

Illumination
  • Types: LED
  • Wave length, dominant (height detection): 469 nm (optional IR: 850 nm)

Electrodes
  • Material: 35 μm copper, finish: chemical gold
  • Highest sensor position: 185 mm
  • Measured entity: electrical resistance in Ω
  • Theoretical measurement range: 10 Ω to 2 MΩ

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: -

Line sensor
  • Sensor resolution: 1728×1px
  • Spatial resolution: 200 dpi | 0.125 mm
  • Temporal resolution: 20 fps
  • Scanning length: 216 mm

FAQ - Dynamic Foam Analyzer – DFA100LCM – Krüss

What does the DFA100LCM analyze?

The DFA100LCM is designed to measure the moisture content in foams over time at various heights, using the foam's conductivity to provide insights into foam stability. It's capable of assessing foamability, stability, moisture and drainage behaviour.

What are the applications of DFA100LCM?

This device is versatile, perfect for the analysis of washing and cleaning foams, foams used in the food and personal care industries, surfactant development, firefighting foams, and flotation processes in solid separation.

What software does DFA100LCM use?

The DFA100LCM utilizes Krüss's ADVANCE software for comprehensive foam characterization. It supports multiple languages including English, Chinese (simplified), French, German, Japanese, Korean, Portuguese, Russian, and Spanish.

Can DFA100LCM measure features other than moisture content?

Yes, the DFA100LCM can measure various characteristics including foam height, liquid height, total height, foam capacity, maximum foam density, expansion rate, foam half-life time, drainage half-life time, sample temperature, liquid content at seven sensor positions, resistance at seven sensor positions, and times to reach 25%, 50%, and 75% liquid content.

What sample volumes are recommended for use with the DFA100LCM?

For optimal performance, a minimum recommended sample volume is 50 mL with a 40 mm diameter column, or 20 mL with a 20 mm diameter column.

What are the environmental requirements for operating DFA100LCM?

The DFA100LCM should be operated within a temperature range of 15 to 30 °C and in a humidity environment that avoids condensation.

Does DFA100LCM support temperature measurements and control?

Yes, it includes a PT100 sensor for temperature measurements ranging from 4 to 90 °C with a precision of ±0.1 °C. Temperature control is optional via a double-walled glass column, with a range of 4 to 90 °C, requiring an additional thermostat.

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