The website requires your browser to enable cookies in order to login.
Please enable cookies and reload this page.
The testo 550i digital manifold enables technicians to control their daily servicing and maintenance work on refrigeration, air conditioning systems, and heat pumps entirely from their smartphone/tablet. Equipped with a 2-way valve block and rugged hook, the testo 550i saves you time with its fast and easy measurements, clearly presented results and digital documentation. In addition, this compact instrument, designed with the most essential features, automatically connects to various Bluetooth probes for temperature, pressure and humidity, thus ensuring maximum flexibility for wireless working. Its proven quality and great durability guarantee the continuously high performance of your manifold in all conditions.