Analysing foam parameters, Controlling surfactant effects

The new generation SITA FoamTester

20 years of experience meets the needs of innovative foam testing

The SITA FoamTester analyses the characteristics of surfactant-containing liquids easy, fast and precise with automated measuring sequences.

• Fully automated foam analysis

• Precise reproducible foaming

• Measuring foam and liquid volume

• Analysing foam structure

• Automated cleaning

Overview of automated SITA foam testing


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters

Foam creation

Foaming of the sample by stirring with the proven SITA method
•	Use of the established SITA standard stirring disc which has been developed for a reproducible and application-oriented foam creation under mechanical pressure
•	Removable measuring vessel with stirring unit
•	Differentiation of various sample preparations by adaptable stirring parameters: speed, duration, acceleration, direction, intervals


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters

Measuring principle

Two optical, contactless measuring systems for the determination of foam and liquid volume as well as foam structure
•	Measuring system Foam Surface Scanner Determination of the foam topography and the resultant total volume by the structured-light method which reproduces the topography of the foam three-dimensionally by using projection and detection of various stripe patterns

•	Measuring system Foam Interface Scanner Determination of the liquid level and the foam structure in the measuring vessel by using the total reflexion with a camera system including a line scan camera and an integrated lightning assembly

	Recording of the foam structure over the range of 130 mm x 50 mm
•	Combination of both measuring systems for the automatic determination of the foam volume
•	Analysis of clear and cloudy liquids
•	All measurements in the same measuring vessel, connected to the thermal circuit


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters

Analyse foam and understand foaming


•	Convenient evaluation of measuring data with the software SITA-FoamLab in the office
•	Complete transparency of the measuring progress and the results by intuitive visualisation

•	Analysis of the slope and the resulting volume during foam formation

•	Analysis of the foam decay and the drainage

•	Analysis of bubble sizes and shapes in the foam structure

•	Comprehensive characterising of foam and foaming
	-	By the determination of further parameters such as half-life period and foam density
	-	By the individual height-dependent evaluation of foam structure parameters such as average bubble size or circularity index
	-	By tracking time dependent changes in the foam structure
	-	Flexible comparison by clear display of different measuring sequences
	-	Easy export of data and results for documentation


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters

Applications

Optimisation of surfactant containing products in
•	Product Development
•	Raw material development and selection
•	Product processing and application
•	Quality and process assurance
Application examples
Cosmetics
•	Influence of the formulation and raw materials on foaming behavior
•	Foam stability of toothpaste and foam baths
•	Foam structure as a reference point for user perception
Cleaning agents
•	Influence of temperature on the foaming of spray cleaners
•	Influence of contaminations on the foaming in cleaning baths
Cooling lubricants
•	Influence of water hardness on aging process
•	Durability of defoamers
•	Optimisation of the filtration process to prevent foaming
Inks, paints and coatings
•	Effectiveness of defoamers
Liquid processing industry
•	Foaming behaviour of flow suspension in paper industry
•	Recipe optimisation to reduce foaming in bottle filling of beverages
•	Adjustment of foaming production auxiliaries in textile manufacturing
•	Foaming effects of polymers in plastic production


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters

Technical data

Foam creation
Recommended sample volume	(200 ... 500) ml
Usable measuring vessel volume	1,500 ml (incl. foam) Dimensions: height 180 mm diameter 110 mm
Capacity of sample reservoir	2,000 ml
Sample tempering of measuring vessel and sample reservoir	(0 ... 60) °C using a optional thermostat
Stirring speed	(0 ... 2,000) U/min (bidirectional)
Adjustable stirring programs	speed, duration, direction, acceleration
Analysis of foam volume (foam creation and decay)
Measurement values	total volume, foam volume, liquid volume
Evaluated parameters	max. foam volume, foam half-life, flash foam
Measuring range total volume	(0 ... 1,500) ml; resolution 1 ml
Measuring range liquid volume	(0 ... 500) ml; resolution 1 ml
Analysis of foam structure
Parameters	number of bubbles, bubble size distribution, average bubble diameter, circularity index
Evaluation area	height 130 mm width 50 mm
Resolution	3,200 dpi
General data
Rinse connection	3/4“ (2 ... 6) bar
Operating temperature	(10 ... 40) °C
Power supply	(100 ... 240) V / (50 ... 60) Hz, 300 W
Dimensions (HxWxD)	(770 x 450 x 305) mm
Weight	approx. 35 kg
PC interface	Ethernet


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters

Optional: External laboratory devices for sample conditioning

•

Extension of experiments by additional functions for sample conditioning

•

Automatic integration and direct control within the test sequence

Automatic dispenser CAT Contiburette μ10D

	for the dosage of liquids Resolution: 10 µl Dosing speed: 0,2 - 20 ml/min
Thermostat Lauda ECO RE 415S

	for cooling and heating of sample liquids Temperature range: (-15...200) °C Ambient temerature range: (5 ... 40) °C
Thermostat Lauda ECO E4S

	for heating of sample liquids Temperature range: (room temperature...200) °C Ambient temerature range: (5 ... 40) °C


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters

Automatic dispenser CAT Contiburette μ10D

	for the dosage of liquids Resolution: 10 µl Dosing speed: 0,2 - 20 ml/min
Thermostat Lauda ECO RE 415S

	for cooling and heating of sample liquids Temperature range: (-15...200) °C Ambient temerature range: (5 ... 40) °C
Thermostat Lauda ECO E4S

	for heating of sample liquids Temperature range: (room temperature...200) °C Ambient temerature range: (5 ... 40) °C

Previous model SITA foam tester R-2000

The previous model SITA foam tester R-2000 is no longer available.

If you have any questions concerning your existing device, please contact us directly.


The automated foam testing with the SITA FoamTester offers an efficient evaluation of surfactant containing liquids to analyse numerous influence factors on the foaming behaviour.

Functionial components of the SITA FoamTester

Development and application tasks can be easily simulated by the comfortable sample handling with the temperature-controlled sample reservoir and measuring vessel, by the automated cleaning system as well as by the fast and free creation of experiments in the software.


Benefits of automated foam testing

•	Autonomous repetition of test runs without intervention by the user
•	Immediate statements about the reproducibility
•	Fast and easy screening of test and sample parameters

The market launch of the SITA FoamTester is supported within the scope of the German development programme "Market launch of innovative products and product design".

Use our SITA FoamTester for your application!

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