The testo 550i digital manifold enables digitally-versed technicians to control their daily servicing and maintenance work on refrigeration, air conditioning systems, and heat pumps entirely via App and smartphone/tablet.

Equipped with a 2-way valve block and robust 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 essential features, automatically connects via the testo Smart App to various Bluetooth® probes for temperature, pressure, and humidity, thus ensuring maximum flexibility for wireless working.

Its proven quality and great durability guarantee the continued high performance of your manifold in all conditions.