The testo 552i wireless vacuum probe provides the Testo Smart Probes portfolio with the option of measuring vacuum wirelessly and via just one service port. This prevents leaks and means that you 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 and testo 557s via Bluetooth. Used with the testo Smart
App, the Smart Probe is also perfect for quick vacuum measurement on its own. Thanks to its proven quality and great durability, you can rely on your wireless vacuum probe in any conditions