TESTO 552i User Manual

5 First steps
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- The LED flashes yellow while connecting via Bluetooth and
then flashes green once the connection is established.
- The connection between the Smart Probe and your mobile
terminal device is established.
5.3. Transmitting readings
✓ The Smart Probe is switched on and connected to your mobile
terminal device via Bluetooth.
- The current readings are automatically displayed in the App.
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TESTO 552i Specifications

General

Measurement Range	0 to 26.66 mbar / 0 to 20000 microns
Connectivity	Bluetooth® 5.0
Battery Type	2 x AA batteries
Protection Class	IP54
Operating Temperature	-10 to 50 °C
Resolution	1 micron
Storage Temperature	-20 to +60 °C
Measurement Parameters	Vacuum
Temperature Range	0°C to +50°C
Resolution Pressure	0.01 hPa
Accuracy	+/- 10 microns (100 to 1000 microns)