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+++ New in October 2019 +++

Analysing foam parameters, Controlling surfactant effects

The long-time successful SITA foam tester R-2000 was the first fully automated foam tester with a reproducible foam generation.

More than 15 years of experience in foam testing led to a next generation testing device, the new SITA FoamTester.

• Innovative optical measuring method

• Fully automated foam analysis

• Precise reproducible foaming

• Measuring foam and liquid volume

• Analysing foam structure

• Recording drainage

Brochure SITA FoamTester


Video SITA FoamTester

Product description

The SITA FoamTester analyses the characteristics of surfactant-containing liquids easy, fast and precise with automated measuring sequences. The measuring device uses innovative optical measuring methods to determine foam characteristics such as foam volume, stability, drainage as well as foam structure.


The SITA FoamTester offers:

Fast contact-free and high-resolution optical scan of the foam surface with structured light
Reliable and continuous detection of the foam-liquid interface even with opaque liquids
Fast and high-resolution measurement of the foam structure for the entire foam level, analysis of the different bubble sizes and other characteristic values
Fully-automated measuring process including sample conditioning and cleaning
Reproducible foam generation with reliable SITA stirring method and flexible test parameters
Individually programmable sequences for generating and analysing foam as well as easy operation with pre-set or costumised experiments


The foam testing system consists of a removable measuring vessel with stirring unit, an integrated sample reservoir with magnetic stirrer, a cleaning system with external water source, an automatic optical measuring system and a touch display for operation directly at the device as well as the software SITA-FoamLab.


    Cleaning agents / chemistry
    Paints and coatings
    Cooling lubricants
    Plastics manufacturing
    Paper manufacturing
    Textile chemistry
    Beverage production
    Wetting agents / electroplating

    Technical data

    Foaming of the sample
    Recommended sample volume 200 ... 500 ml
    Usable measuring vessel volume 1,500 ml (incl. foam)
    Capacity of storage vessel 2,000 ml
    Sample tempering of measuring and storage vessel
    0 ... 60 °C with optional thermostat
    Stirring speed 0 ... 2,000 U/min (bidirectional)
    Adjustable stirring programs Speed, duration, direction, acceleration
    Analysis of foam structure
    Evaluation area height 130 mm
    width 50 mm
    Resolution 3,200 dpi
    Results bubble number and size distribution, other characteristic values
    in standard measuring vessel with SITA-FoamLab Expert
    Measurment of foam volume
    Foam volume 0 ... 1,500 ml; resolution 1 ml
    Liquid volume & drainage 0 ... 500 ml; resolution 1 ml
    General data
    Rinse connection 3/4“ 2 ... 6 bar
    Power supply 100 ... 240 V / 50 ... 60 Hz,
    300 W
    Dimensions (HxWxD) 770 x 450 x 305 mm
    Weight ca. 35 kg


    Convenient programming and evaluation on PCs in the laboratory or office (LAN)
    User-defined compilation of measurement sequences (stirring, measuring, tempering, dosing)
    Automated evaluation of characteristic parameters
    Detailed and clear display of characteristic parameters over the measuring sequence and sample properties

    Controlling external accessories for dosing and sample conditioning


    Available models

    SITA Foam Testing System Expert

    Consisting of
    SITA FoamTester
    for analysis of the foam characteristics foam volume, foam stability, drainage and foam structure

    Software SITA-FoamLab Expert
    incl. the module for foam structure analysis


    SITA Foam Testing System Basic

    Consisting of
    SITA FoamTester
    for analysis of the foam characteristics foam volume, foam stability, drainage
    Software SITA-FoamLab Basic


    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".

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    A business unit of SITA Messtechnik GmbH.

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