TESTO 552 User Manual

3 Description of the instrument
10
3.3 Displays overview
Element Function
1
Icon [ ]
Displays the remaining battery capacity.
>75%
>50%
>25%
<10%
2
Icon [ ]
Bluetooth® appears when Bluetooth has been
activated on the instrument.
3
Icon [ ]
An alarm threshold is set.
4 Temperature display - selected, currently measured temperature
- Measurement parameter:
T
H2O
= evaporation temperature of water
T
amb
= ambient temperature
Δt = temperature difference between
evaporation temperature of water and ambient
temperature
- unit set (°C, °F)
5 Slave Mode Appears when the testo 552 is connected to the
testo 570 via a connecting cable and the
testo 570 is in Evacuation mode.
6 Pressure display Displays the currently measured pressure, the
measurement parameter and the unit set (mmHG,
Torr, mbar, hPa, micron, inH2O, inHg).

TESTO 552 Specifications

General

Type	Digital Vacuum Gauge
Measurement Range	0 to 26.66 mbar / 0 to 20000 microns
Battery Type	2 x AA batteries
Display	LCD
Bluetooth	Yes
Protection Class	IP40
Storage Temperature	-20 to +70 °C
Resolution	1 micron (0 to 1000 microns)
Operating Temperature	-10 to +50 °C
Accuracy	±10 microns + 10% of m.v. (100 to 1000 microns)