App-controlled Wireless Vacuum Probe Testo 552i
Wireless vacuum probe for hose-free evacuation monitoring of refrigeration and air conditioning systems via app or digital manifold.
| Brand | Testo |
|---|---|
| Model | Testo 552i |
| Measuring range | 0 to 26.66 mbar / |
| Overload | absolute: 6.0 bar / 87 psi |
The Testo 552i app-controlled wireless vacuum probe offers a smart, hose-free solution for accurate evacuation measurements on refrigeration, air conditioning systems, and heat pumps. Designed to connect directly to just one service port, it allows for easy, refrigerant-free vacuum readings—ensuring efficiency and reliability during system servicing.
The Testo 552i wirelessly connects via Bluetooth® 4.2 to the Testo Smart App or compatible digital manifolds like the Testo 550s or 557s. This enables real-time data viewing directly on your mobile device or manifold’s display. The intuitive app interface displays vacuum levels graphically and provides instant alerts—including smartphone vibration—when critical thresholds are detected, so you can act immediately.
Built for convenience and durability, the 552i features a compact, robust IP54-rated housing, a built-in 45° angle for easy access to service ports, and dependable performance even in tough jobsite conditions. The auto-off function helps conserve the battery, which provides up to 39 hours of continuous operation using three AAA batteries.
With high accuracy across a broad measuring range (0 to 26.66 mbar / 0 to 20,000 micron), this vacuum probe ensures precise evacuation monitoring. It can handle overpressures up to 6 bar absolute, making it ideal for demanding applications.
Whether you’re a technician focused on performance or a facility manager ensuring compliance, the Testo 552i simplifies your workflow with smart connectivity, long-lasting reliability, and fast, hose-free operation.
