Dynamic Foam Analyzer

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Dynamic Foam Analyzer – DFA100FSM für die Blasenstruktur flüssige Schäume

Dynamic Foam Analyzer

DFA100FSM

Zeitliche Analyse der Blasengröße in flüssigen Schäumen

General specifications

Instrument dimensions

Footprint

245 mm × 275 mm (W × D)

Height

460 mm

Weight (without accessories)

13 kg

Temperature measurement

Sensor

PT100

Range of temperature measurement

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)

Location of temperature measurement

inside sample liquid

External sensor

optional

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

Environment

Operating temperature

15 to 30 °C

Humidity

without condensation

Temperature control

Type of temperature control

optional: double-walled glass column

Range of temperature control

10 to 60 °C
(additional thermostat needed: TB14)

Resolution

-

Interfaces

PC

1× USB 2.0
1× USB 3.0

Zubehör

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 columns and filters

-

Material of sealings

silicone and FKM

Receiver

-

Product group specifications

Pressure measurement

Precision

ADVANCE

Sample stage

Travel distance

0.1 °C

Drive

Data output

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

Line sensor

Maximum measurable height

-

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

Camera system (standard)

Connection

USB 3.0

Performance

2 fps at 1280 × 1024 px

Electrodes

Material

-

Highest sensor position

-

Measured entity

-

Theoretical measurement range

-

Illumination

Type

LED

Wave length, dominant

-

Wave length, dominant (height detection)

469 nm (optional IR: 850 nm)

Wave length, dominant (structure detection)

633 nm

Measurement specifications

Software

Software type

ADVANCE

Available software modules

foam analysis

Bubble pressure

Precision (surface tension)

15 to 30 °C

Measurement specifications

Measurement type

-

Analyzed foam characteristic

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

Foaming

-

Resolution

-

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

Penetration

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