The NEW testo 557s digital manifold with Bluetooth and a 4-way valve block features a large graphic display, a compact, robust housing, guided measurement menus and the testo Smart App. It proves to be a reliable partner for your commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps.
Features:
All results at a glance thanks to the large graphic display
Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
Greater flexibility for your measurements and documentation with the testo Smart App
With guided measurement menus for target superheat, vacuum and pressure loss
Convenient refrigerant management in the App with favourites and automatic updates