• Extra-large graphic displays, the testo Smart App and intuitive user guidance make measurements faster and easier than ever before.
• Compact, handy and rugged: The rugged housing with its sunken display handles its job reliably even under extreme conditions.
• Wireless measurement, uncomplicated documentation – with Bluetooth® 5.0, testo Smart App and free testo DataControl PC software.testo 550i Smart Kit consisting of testo 550i manifold including calibration protocol, (2x) testo 115i wireless temperature probes, (2x) testo 605i thermohygrometers, instrument case The next generation of digital manifolds. Thanks to Bluetooth® 5.0, the new digital manifolds with an extra-large display and rugged safety housing are also suitable for wireless measurement. You save valuable time and avoid stress in the installation, maintenance, and servicing of refrigeration systems and heat pumps. All important measurement programs are already stored in the manifold, as well as the right refrigerants for different systems. With the testo Smart App, documentation is fast and uncomplicated on site. Thanks to wireless data transfer, you can even have both hands free, for a smooth job. testo 550i Fully smart, fully wireless: The smallest manifold of all time. The first fully digital manifold testo 550i enables you to control your daily servicing and maintenance work on refrigeration and air conditioning systems and heat pumps entirely via testo Smart App and smartphone or tablet. The smallest digital manifold on the market is equipped with a 2-way valve block, deals with measurements precisely, fast and conveniently, and thanks to the digital documentation, saves considerable time.
• All activities, from measurement through to documentation, using the Smart App on your Smartphone
• The smallest digital manifold on the market
• Maximum reliability thanks to the extremely rugged housing with IP54 protection class
• Optionally expandable with testo Smart Probes for wireless measurement of temperature, humidity and vacuum

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