The Testo 552i (0564 2552 01) Smart Wireless Vacuum Probe with Bluetooth measures vacuum wirelessly and via just one service port. The testo 552i requires no additional connections for measuring vacuum. This means that there is minimal refrigerant loss when taking readings. Additionally this prevents leaks and means that users do not have to pull the vacuum through the manifold. The integrated 45° angle allows you to work flexibly at any service connection.

The testo 552i automatically connects to testo 550s or testo 557s (sold separately) via Bluetooth. Used with the testo Smart App, the Smart Probe is also perfect for quick vacuum measurement on its own. All thats needed for a quick service check is a phone or tablet, and the testo 552i. Thanks to its proven quality and great durability, users can rely on this wireless vacuum probe under any conditions.