Description
testo 552i – App-Controlled Vacuum Smart Probe
testo 552i, controlled via the App, allows for wireless measurement through just one service port. The probe is durable, easy to use, and provides accurate results, making it the ideal assistant for proper evacuation of refrigeration systems, air conditioning systems, and heat pumps.
Key Features of the testo 552i
- Allows for wireless and hoseless vacuum measurements through just one service port and without refrigerant loss.
- testo Smart App: ensures fast and simple vacuum detection with a graph and alerts when limit values are exceeded (e.g., via smartphone vibration).
- Automatic Bluetooth Connection: the probe connects to the testo Smart App or to testo 557s or testo 550s manifolds, allowing results to be viewed on the manifold’s large display.
- Convenient and durable casing with IP 54 protection class.
- Integrated connector with a 45° angle for easy installation on any service port.
- Consistently high performance and proven Testo quality.
Technical Data (Order No. 0564 2552)
Absolute Pressure Measurement (Vacuum)
| Measurement Range: | 0 … 26.66 mbar / 0 … 20000 micron |
| Accuracy: | ±10 micron + 10 % of meas. val. (100 … 1000 micron) |
| Resolution (0 … 1000 micron): | 1 micron |
| Resolution (1000 … 2000 micron): | 10 micron |
| Resolution (2000 … 5000 micron): | 100 micron |
| Overload (Absolute): | 6.0 bar / 87 psi |
General Technical Data
| Weight: | 142 g |
| Dimensions (LxWxH): | 150 x 32 x 31 mm |
| Operating Temperature: | -10 … +50 °C |
| Storage Temperature: | -20 … +50 °C |
| Protection Class: | IP54 |
| Product Color: | Black/Orange |
| Battery Type: | 3 AAA micro cells |
| Battery Life: | 39 h |
| Auto-off: | 10 min* |
| Connection: | 7/16“ UNF |
| Interface: | Bluetooth® 4.2 |
| System Requirements: | iOS 13.0 or newer required; Android 8.0 or newer required; mobile device with Bluetooth 4.2 required |
