Wireless Vacuum Measurement for HVAC Commissioning
The Testo 552i Wireless Vacuum Probe is a smart vacuum measurement solution designed for HVAC engineers, refrigeration technicians and heat pump installers carrying out evacuation testing and commissioning work across residential and commercial systems. Compact, accurate and fully app-controlled, the testo 552i helps technicians monitor vacuum levels wirelessly while improving evacuation efficiency and system reliability during servicing and installation work.
Smart App Connectivity for Faster Refrigeration Testing
Using Bluetooth connectivity and the Testo Smart App, the testo 552i provides live vacuum readings, graphical measurement displays and critical value alarms directly on a smartphone or compatible digital manifold. Designed for use with refrigeration systems, air conditioning units and heat pumps, this wireless vacuum probe supports accurate evacuation monitoring, digital reporting and simplified HVAC diagnostics on-site.
Why do HVAC engineers use the testo 552i vacuum probe?
The testo 552i allows refrigeration engineers to measure vacuum wirelessly through a single service port while viewing live readings directly in the app or on Testo digital manifolds. This helps improve evacuation accuracy, reduce setup time and streamline HVAC commissioning workflows.
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Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on orders over £99
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.