TESTO 552i User Manual

5 First steps
10
5 First steps
5.1. Switching on/off
testo 549i/552i
5.1.1. Switching on
1. Pull the film out of the battery compartment.
2. Press the button on your Smart Probe.
- The Smart Probe switches on.
5.1.2. Switching off
1. Press and hold the button on your Smart Probe.
- The Smart Probe switches off.
5.2. Establishing Bluetooth
®
connection
You need a tablet or smartphone with the Testo SMART App already
installed on it to be able to establish a Bluetooth connection.
You can get the App for iOS instruments in the App Store or for
Android instruments in the Play Store.
Compatibility:
• requires iOS 12.0 or later/Android 6.0 or later
• requires Bluetooth 4.2
• Tested with the following smartphones/tablets:
www.testo-international.com/de/smartprobesmanuals/
✓ The Testo SMART App is installed on your terminal device and
ready for use.
1. Press the button on the Smart Probe.
- The Smart Probe switches on.
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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)