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Dynamic Foam Analyzer

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Dynamic Foam Analyzer – DFA100FSM for the bubble structure liquid foams

Dynamic Foam Analyzer

DFA100FSM

Time-dependent analysis of bubble size in liquid foams

Product group specifications

Camera system

Diameter of minimum detectable bubble

50 µm

Mean field of view size

position 1: 285 mm2
position 2: 140 mm2
position 3: 85 mm2

Focus

manual

Camera system (standard)

Connection

USB 3.0

Performance

2 fps at 1280 × 1024 px

Illumination

Type

LED

Wave length, dominant (height detection)

469 nm (optional IR: 850 nm)

Wave length, dominant (structure detection)

633 nm

Line sensor

Sensor resolution

1728×1px

Spatial resolution

200 dpi | 0.125 mm

Temporal resolution

20 fps

Scanning length

216 mm

Operating system

Internal gas flow rate

0.2 to 1 L/min

External gas flow rate

0.05 to 1 L/min

Approved gases

air
nitrogen
carbon dioxide

Approved pressure

5 ± 0.5 bar

Approved temperature

4 to 90 °C

Stirring speed

up to 8000 rpm

Electrodes

Material

-

Highest sensor position

-

Measured entity

-

Theoretical measurement range

-

General specifications

Instrument dimensions

Footprint

245 mm × 275 mm (W × D)

Height

460 mm

Weight (without accessories)

13 kg

Interfaces

PC

1× USB 2.0
1× USB 3.0

Environment

Operating temperature

15 to 30 °C

Humidity

without condensation

Power supply

Voltage

100 to 240 V

Power consumption

30 W

Frequency

50 to 60 Hz

Sample dimensions

Min. recommended sample volume

50 mL with 40 mm diameter column
20 mL with 20 mm diameter column

Temperature control

Type of temperature control

optional: double-walled glass column

Range of temperature control

10 to 60 °C
(additional thermostat needed)

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

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 μm
G2: nominal maximum pore size: 40 to 100 μm
G3: nominal maximum pore size: 16 to 40 μm
G4: nominal maximum pore size: 10 to 16 μm

Material of columns and frits

borosilicate glass (norm: ISO 4793)

Material of sealings

silicone and FKM

Measurement specifications

Software

Software type

ADVANCE

Software modules

Foam analysis (recommended)

Remote Control API (optional)

Measurement specifications

Analyzed foam characteristic

foamability and foam stability
foam structure: homogeneity, stability and aging

Results

foam height
liquid height
total height
foam capacity
maximum foam density
expansion rate
foam half life time
drainage half life time
sample temperature
mean bubble area
bubble count per mm²
standard deviation of mean bubble area
bubble size distribution
bubble count half life
Sauter mean radius
initial foam structure
final foam structure

Brochure Data sheet Bookmark
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