testo 552i App-controlled Wireless Vacuum Probe
Keep system evacuation checks simple with the testo 552i app-controlled wireless vacuum probe. Connect directly to a single service port and monitor vacuum through the testo Smart App, helping you follow evacuation progress on refrigeration and air conditioning systems and heat pumps.
Graphical readings and critical value alerts put key information at your fingertips. Bluetooth connectivity gives you the flexibility to view measurements on your smartphone or a compatible Testo digital manifold.
Request a quote for the testo 552i or contact our team to discuss your application.
testo 552i Key Features:
- Wireless measurement: connects automatically via Bluetooth to the testo Smart App or compatible Testo digital manifolds
- Clear progress tracking: graphical vacuum readings and critical value alerts in the app help you monitor evacuation
- Easier installation: an integrated 45° angle helps you connect at the service port
- Robust construction: compact housing with IP54 protection suits everyday service work
- Digital reporting: create PDF or CSV measurement reports through the testo Smart App
Why choose the testo 552i?
The testo 552i helps simplify vacuum measurement without adding extra measurement hoses. Its compact design fits neatly into your service kit, while the choice of app or manifold display lets you work with the equipment you prefer.
A specified battery life of 39 hours supports regular site work. Automatic switch-off after 10 minutes without a Bluetooth connection also helps conserve battery power between uses.
What Comes with the testo 552i?
- testo 552i Wireless Vacuum Probe
- Batteries
- Calibration Certificate
Specifications:
| Specification | Detail |
| Product code | 0564 2552 |
| Measuring range | 0 to 20,000 microns / 0 to 26.66 mbar |
| Service connection | 7/16" UNF |
| Wireless connectivity | Bluetooth 4.2; range up to 150 m |
| Power and battery life | 3 × AAA batteries; 39 hours |
| Protection rating | IP54 |
❓ Frequently Asked Questions (FAQ)
Q1: Do I need a digital manifold to use the testo 552i?
A. No. You can use the probe with the free testo Smart App on a compatible mobile device for wireless vacuum measurement.
Q2: Which Testo manifolds can it connect to?
A. The testo 552i supports direct Bluetooth connection to the testo 550s and testo 557s digital manifolds.
Q3: Can I create measurement reports?
A. Yes. The testo Smart App lets you create PDF or CSV measurement reports, include photos and email reports from site.
▶ SMART Probes work with the testo 55x range - Discover New refrigeration technology
