Use the robust, 1000 mm long Pitot tube with a diameter of 7 mm for measuring flow velocity (in combination with a compatible measuring instrument / probe).

Use the robust, 350 mm long Pitot tube with a diameter of 7 mm for measuring flow velocity (in combination with a compatible measuring instrument / probe).

Use the robust, 500 mm long Pitot tube with a diameter of 7 mm for measuring flow velocity (in combination with a compatible measuring instrument / probe).

Robust Pitot tube for measuring flow velocity: the Pitot tube provides the optimum conditions, especially for higher flow velocities and for heavily contaminated flow. The 750 mm long Pitot tube has integrated temperature measurement and a connection hose with a maximum load capacity of up to 700 hPa (mbar).

In the event of dust-laden flow in ventilation ducts or process air and higher flow velocities, we recommend using a Pitot tube.

<p>Make sure you get the testo 420 volume flow hood for larger ceiling outlets and at the same time enjoy multiple maintenance benefits on HVAC systems. Because the flow hood with the removable measuring instrument is not only exceptionally light, it also guarantees accurate volume flow calculations at swirl outlets</p>

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Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features an integrated differential pressure sensor and intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements &ndash; thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets. You will receive the testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor and the 100 mm vane probe head and hot wire probe head (Ø 9 mm) for attachment to the universal Bluetooth<sup>&reg;</sup> handle supplied.  To make measurements more convenient, both probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.

<p>Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets. You will receive the testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor, two vane probe heads (Ø 100 mm and Ø 16 mm) and a humidity/temperature probe head – all three can be attached to the universal Bluetooth® handle supplied. To make measurements more convenient, both vane probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.</p>

You can keep a close eye on indoor air quality with the testo 445 climate measuring instrument: the allrounder can measure up to 6 parameters (with the appropriate probe), which can help you make a professional assessment of indoor air quality. The climate measuring instrument therefore supports you in adjusting and checking ventilation and air conditioning systems.

The high-precision testo 521-1 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.

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The testo 526-2 high-precision differential pressure measuring instrument is ideally suited for checking pressure in sensitive industrial processes, thanks to a measuring accuracy of &plusmn; 0.05% of final value. Two additional pressure and temperature probes can also be attached.

Silicone hose connects Pitot tube and pressure probe, 5 m long

Use the connection hose to connect suitable Pitot tubes and pressure probes with one another. The hose is made of silicone and has a max. load capacity of up to 700 hPa (mbar).

Dimensions	length: 5000 mm, ø: 7 mm
Diameter probe shaft	7 mm
Product-/housing material	silicone
Length probe shaft	5 m
Product colour	white
Weight	154 g

kompetenca@optimum

Connection hose, silicone

Connection hose, silicone

General technical data