testo 420 - Volume flow measuring hood, ¥ 527138,12

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With the testo 420 volumetric flow measuring bonnet for larger air inlets and outlets, you can quickly and precisely comply with hygienic guidelines and specifications for room air quality. It provides reliable support when calculating the total volume flow in air handling systems, for example in hospitals, office buildings or commercial buildings. High measuring accuracy at swirl diffusers thanks to volumetric flow rectifier The volumetric flow is often measured at swirl diffusers. Due to the swirling air at these diffusers, the air flows are often measured incorrectly. With the testo 420 volume flow measuring bonnet, these measurement errors can be significantly reduced. The integrated volume flow rectifier calms the turbulence and changes it into an almost uniform air flow. It thus precisely calculates the volume flow in the range of 40 … 4,000 m3/h. Uniquely lightweight volumetric flow measuring bonnet with quick set-up The volumetric flow measuring bonnet with ergonomic handles and tilting display has a unique weight of less than 2.9 kg. This makes frequent volumetric flow calculations in large rooms as well as measurements above head height safe and comfortable to perform. A large measuring button on the volumetric flow measuring bonnet ensures easy recording of the measured values. The bonnet measures 610 x 610 mm. We offer additional bonnets as accessories for other ceiling diffusers. For air inlets and outlets that are particularly high up, the use of our optional tripod is helpful. It can be pushed up to 3.3 metres. Setting up the volumetric flow measuring bonnet is quick and easy thanks to the tension rods. The trolley included in the scope of delivery ensures safe transport. Create and send protocols directly on site using the app connection Benefit from additional practical functions and download our free app. With the app connection, mobile devices such as smartphones and tablets can be used as a second display and remote control via Bluetooth. This is particularly practical when using a tripod with high ceilings. The app enables live measurement on air handling units using the start and stop function and saving the measurement data in txt format. You can create the measurement report directly on site with the app. Measurement results such as the total volume flow and the air exchange rate can be directly assigned to customer-specific report templates. You can then send your measured values and protocols via the mail function. This saves you a lot of time and increases efficiency. Volumetric flow measuring bonnet with removable measuring device - performance overview The volumetric flow measuring bonnet for air handling units is equipped with a measuring device for displaying the measured data. The device can be tilted and removed for convenient reading of the measured values. With the testo 420 measuring device, you can measure flow velocity; volume flow, absolute pressure, temperature and relative humidity. At low pressures, the automatic zero adjustment ensures higher accuracy. All measured values are easy to read on the large, illuminated display. For analyses and documentation, measurement data can be saved and measurement protocols can be created directly on site on a mobile device via app connection. The management of the measurement data on the PC is very simple and without additional software via plug & play function. The testo 420 volumetric flow measuring bonnet with integrated measuring device has not only been developed for volumetric flow measurement on larger ceiling diffusers. The measuring device can also be removed from the bonnet and used for pressure, flow and volume flow measurements in the duct. This saves you having to purchase another measuring device. For measurement in the duct, you only need to connect a pitot tube and connection hoses (both optional). Temporal and punctual as well as the combination of temporal and punctual averaging with simple input of the duct geometry support you when measuring in the duct. Scope of delivery Volume flow measuring bonnet testo 420 including measuring device; 610 x 610 mm measuring bonnet, 5 x tension rods; USB cable, batteries and trolley. testo 420 - Flow hood

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