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    3. Air velocity measurement with the testo 440 air velocity & IAQ measuring instrument

    Intuitive climate measurement

    testo 400 in laboratories and cleanrooms.

    Measurements in laboratories and cleanrooms

    • You can carry on working with the measuring instrument, handle, and another probe.

    Multifunction measuring instruments: online product configurator

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    When a high degree of precision is required

    The specially designed, high-precision probes for the testo 440 air velocity & IAQ measuring instrument can assist you with these applications, for example:

    • Reliable measurement of laminar flows (laminar flow)

    • Accurately recording even the smallest differences in air velocity, from 0.02 m/s

    • Measuring humidity in critical processes with an accuracy of 1 %

    When a high degree of precision is required

    • The specially designed, high-precision probes for the testo 440 air velocity & IAQ measuring instrument can assist you with these applications, for example:

      • Reliable measurement of laminar flow

      • Precisely detect the smallest flow differences from 0.02 m/s

      • Measuring humidity in critical processes with an accuracy of 1 %

    When a high degree of precision is required

    The specially designed, high-precision probes for the testo 440 air velocity & IAQ measuring instrument can assist you with these applications, for example:

    • Reliable measurement of laminar flow

    • Accurately recording even the smallest differences in air velocity, from 0.02 m/s

    • Measure humidity in critical processes with an accuracy of 1 %

    Kje bi radi uporabljali svoj vakuumski merilnik?

    Use these probes to measure with precision

    Kje bi radi uporabljali svoj vakuumski merilnik?

    Air velocity and IAQ measuring instrument including differential pressure sensor

    testo 440 dP with differential pressure sensor

    For Pitot tube measurements or checking filters on air conditioning systems, we recommend the testo 440 dP including differential pressure sensor.

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    Use these tips to measure more effectively

    Kje bi radi uporabljali svoj vakuumski merilnik?

    Probe comparison

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    All probes for the testo 440

    Which probe for which application? Download probe comparison now and find out all about the testo 440 portfolio of probes.

    Laboratories/Cleanrooms

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    The comprehensive testo 440 brochure

    A wealth of product knowledge relating to the testo 440:

    • All probes and accessories

    • Special kits for any application

    • Details on the intuitive measurement menus

    Measurement menus

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    The intuitive measurement menus

    The menus programmed into the instrument guide you efficiently through volume flow measurements in ducts and at outlets, K factor and Pitot tube measurements.

    What else do you want to measure?

    Kje bi radi uporabljali svoj vakuumski merilnik?

    Raven udobja:

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    Overview page testo 440

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