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    Vacuum gauges and solutions

    Evacuations are an important part of the commissioning and maintenance of heat pumps and air conditioning and refrigeration systems. With our innovative vacuum pump and smart measuring devices, evacuations are fully automated generating high-precision results.

    Vacuum gauges from Testo

    All about vacuum

    The new vacuum solutions from Testo aren’t just technically brilliant, but are also practical to use. After all, high-precision readings are one thing, but a smooth work process is another. We therefore offer:

    • Fully automated evacuations with integrated holding test

    • All the values that you want to know for the safe evacuation of heat pumps and refrigeration systems. Highly precise

    • Full remote control - with the testo Smart App

    • Wireless connectivity between instruments thanks to automatic Bluetooth connection

    Powerful efficiency in a double pack: The testo 565i models in comparison

    Classic gauge or manifold?

    Evacuate systems safely: Here you will find your ideal measuring device for vacuum.

    All about vacuum

    Evacuations – really simple and fully automatic:

    The new testo 565i vacuum pump performs refrigeration system and heat pump evacuations completely automatically. Once the desired vacuum target value is reached, pumping is automatically stopped and a vacuum holding test is initiated at the same time. Foreign gases and moisture can thus be removed safely, and data relating to the system's leak-tightness stored. This means that evacuations can be carried out completely autonomously.

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        Next upNext up:

        Relaxed measurement even under time pressure: with good tips and the right vacuum gauge

        Vacuum measurement involves very low pressures and thus extremely small forces. A quick reminder: pressure is the force exerted by gas molecules on the vessel wall. The lower the pressure falls, the finer the mechanisms have to be, with appropriate sophistication of the instrument technology, in order to be able to measure these fine effects. However, even a high-precision vacuum gauge from the market leader Testo will become even more precise if you take on board the following tips for vacuum measurement:

        Vacuum gauge

        Vacuum measurement – what it's all about

        When commissioning heat pumps, air conditioning and refrigeration systems, vacuum gauges are used, always in conjunction with a vacuum pump that creates the vacuum in the system. As such, your vacuum gauge should always meet the following requirements:

        • Pressure sensor with a high level of accuracy in the lower measuring range (e.g. a Pirani probe).

        • Wireless monitoring of absolute pressure.

        • Measurement of the evaporation temperature of Hâ‚‚O.

        • Optical alarm when a limit value is exceeded.

        Buy vacuum gauge

        Do you already have a vacuum gauge?

        A manifold is the perfect addition.

        Digital manifold testo 570s

        World innovation

        testo 570s

        Manifold

        • Digital manifold with 4-way valve block, Bluetooth and intelligent error analysis

        Gas leak detector testo 316-4

        Highlight

        testo 316-4

        Leak detector measuring instruments

        • Highly accurate sensor of <3g/a enables detection of the smallest leaks

        Absolute pressure meter testo 511

        Highlight

        testo 511

        Absolute pressure meter

        • Calculation of barometric air pressure

        • 8 switchable pressure units

        Differential pressure meter testo 510

        Best seller

        testo 510 Set

        Differential pressure measuring device

        • Differential pressure measurement from 0 to 100 hPa

        Testo is always working flat out to develop the perfect measuring instrument for everything that can be measured as well. "Be sure" – you can be sure – we promise you, and by this we do not just mean the precision of our vacuum gauges. But also that you will find exactly the right measuring instrument for you to deal with every measuring task in industry, research, technology and trade.

        Measure vacuum
        testo Smart App

        One App for all applications

        The testo Smart App guides you quickly and easily through measurements on refrigeration, air conditioning and heating systems.

        New feature:

        Professional measuring programs for increasing the efficiency of your applications

        Find out more
        testo Smart App

        Multifunctional

        Compatible with all Bluetooth-enabled Testo measuring instruments

        Efficient

        Direct report dispatch by e-mail

        Fast

        All measurement values at a glance

        Easy

        Intuitive measurement menus

        Clever

        Free download, free use

        NEW

        Professional measuring programs

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