• Smart Probe for measuring vacuum
• Measure vacuum wirelessly and via just one service port - no additional connections required
• Fast, easy, and accurate determination of the vacuum via graph (Works with the testo Smart App or the testo 550s / 557s)
• Rugged housing with IP54 for maximum reliability in daily use
• Integrated 45° angle for easy installation on any service port
• Display, graphing, customer data and documentation on the testo Smart App
• Minimal refrigerant loss when taking readings

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. 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 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 or testo 557s via Bluetooth. Used with the testo Smart App, the Smart Probe is also perfect for quick vacuum measurement on its own. All that is needed for a quick service check is a phone or tablet, and the testo 552i. Thanks to its proven quality and great durability, you can rely on your wireless vacuum probe in any conditions.