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    Filter Test Rigs

    We have Filter test systems for the testing of cleanroom filters, motor vehicle passenger compartment filters, compressed air filters, oil separators, vacuum cleaner filters etc.

    We can offer complete solutions for an extensive range of filter applications, whether at high temperatures up to 130 °C or pressures up to 10 bar. Our product range offers the world's largest selection of aerosol generators, dilution systems, and state-of-the-art particle measurement technology for particle sizes from 5 nm to 100 µm. These are modular, interchangeable individual components in the Palas test systems. Of course, existing testing conduits, e.g., in accordance with ISO 1690, Ashrae 52.2, or EN 779, can also be upgraded with Palas aerosol technology.

    With this flexibility, testing requirements can be and reliably met to suit customer requirements to achieve compliance with the relevant standards.



    PMFT System

    PMFT System

    The filter test rigs PMFT System enable the reliable control of masks and filter material. This allows you to ensure the quality of your products effectively.

    The PMFT system includes three models for different needs:

    • PMFT 1000 for development and production monitoring of half masks
    • PMFT 1000 M for reliable continuous operation in routine monitoring of half masks
    • PMFT 1000 F as an all-rounder in the testing of almost all mask and filter types

    The PMFT System measures overall penetration and breathing resistance/pressure drop and fractional efficiency in the size range between 100 nm and 5 μm.




    Palas FET 100/300/600 Test System for Small/ Medium/ Large Filter Elements

    It is suitable for testing filter elements to many global standards and with PALAS’s proven technology, PALAS can count particles down to a very small size. The photometric total penetration is tested as well as the fractional separation efficiency. For example, the efficiency over the particle size or the particle size-dependent penetration.

    The testing filter elements with a cross-sectional area up to:

    • 100mm x 100mm - FET 100
    • 300mm x 300mm- FET 300
    • 610mm x 610mm - FET 600

    The photometric total penetration is tested as well as the fractional separation efficiency. For example, the efficiency over the particle size or the particle size-dependent penetration. Differential pressure measurements and loading tests or gravimetric measurements based on different standards are also possible. For penetration measurements, the instrument works with different dust, salt, oil as well as latex aerosols over a size range from 20nm to 40 μm.





    MFP 2000

    MFP 3000

    Modular filter media test rig for fractional efficiency, differential pressure, dust holding capacity and gravimetrical efficiency in suction mode. Version HF with temperature and humidity control

    This enables you to determine the pressure loss curve on the medium without a dust coating, fraction separation efficiency, or burden and fraction separation efficiency during application of the burden and the gravimetric separation efficiency within shortest times – reliably and therefore cost-effectively.

    The MFP 3000 operates in suction mode. This ensures a particularly uniform formation of the dust cake even at high inflow speeds.

    With the aid of the light scattering spectrometer Promo® 3000, clear and reliable determination of the aerosol concentration and the particle size and therefore a clear determination of the fraction separation efficiency can be ensured. In addition, use of the Promo® 3000 with two sensors for virtually simultaneous particle measurement offers the following advantages: Fully-automatic measurement of fraction separation efficiency

    Use of the testing system for very high and very low aerosol concentrations The largely automated setup of the test sequence in conjunction with the clearly defined individual components and the individually adjustable sequence programs of the filter test software FTControl combine to deliver the high reliability of our measurement results.


    Palas FET 100 System Brochure
    Palas FET 300 System Brochure
    Palas FET 600 System Brochure


    Palas LFT 1000/2000 HEPA / ULPA Filter Testing System

    The Palas LFT 1000 is a latest generation manual scanning test system for testing HEPA & ULPA filters in a comparable manner to ISO 29463-4 Annex B with a photometer. The Palas LFT 1000 combines the requirements of ISO 29463-4 Annex B for filters of class ISO 35 H to ISO 45H with a simple manual test procedure.

    The Palas LFT 2000 combines the requirements of ISO 29463-4 Annex F for Class 35 H filters with a simple manual test procedure

    The system uses the appropriate software to report leakage points quickly and easily. To ensure filter quality, ISO 29463-1 requires that all HEPA / ULPA filters with an efficiency of 99.95% or higher (ISO 35H/H13) be tested for the following:

    • Local efficiency according to ISO 29463-4
    • Overall efficiency according to ISO 29463-5
    Palas LFT1000 Data Sheet Feb 24

    Palas LFT 3000 Automatic HEPA / ULPA Filter Tester

    The Palas LFT 3000 is a latest generation automatic leakage scan testing system for testing HEPA & ULPA filters in accordance with ISO 29463-4 & ISO 29463-5. To ensure filter quality, ISO 29463-1 requires that all HEPA /ULPA filters with an efficiency of 99.95% or higher (ISO 35H/H13) be tested for the following:

    • Local efficiency according to ISO 29463-4
    • Overall efficiency according to ISO 29463-5
    Palas LFT 3000 Data Sheet Feb 24

    Palas CIF 1000/2000/3000 for Passenger Compartment Filters

    It is suitable for testing filter elements to many global standards and with PALAS’s proven technology, PALAS can count particles down to a very small size. The photometric total penetration is tested as well as the fractional separation efficiency. For example, the efficiency over the particle size or the particle size-dependent penetration.

    The testing filter elements with a cross-sectional area up to:

    • 100mm x 100mm - FET 100
    • 300mm x 300mm- FET 300
    • 610mm x 610mm - FET 600

    The photometric total penetration is tested as well as the fractional separation efficiency. For example, the efficiency over the particle size or the particle size-dependent penetration. Differential pressure measurements and loading tests or gravimetric measurements based on different standards are also possible. For penetration measurements, the instrument works with different dust, salt, oil as well as latex aerosols over a size range from 20nm to 40 μm.

    Palas CIF 1000 for Passenger Compartment Filters



    Palas® offers the CIF 2000 test rig with the Promo ® 2000



    Palas CIF 3000 for Passenger Compartment Filters

    Palas HMT 1000 Heated Test Systems For Oil Mist Separators

    Quality assurance and the development of filters / separators/traps should preferably be performed under test conditions that are relevant to the actual conditions encountered in practice. For this reason, oil separators must be tested at high temperatures of up to 120°C and, depending on the type of application, at high pressures. With the modular test system HMT 1000, oil separators (e.g. for the separation of blow-by aerosols in internal combustion engines or for the separation of oil mist downstream of compressors) are quickly and accurately characterized and, in particular, successfully tested under practically relevant conditions through iso thermal particle measurements up to 120°C

    Palas HMT 1000 Heated Test Systems For Oil Mist Separators