testo Instruments Co. Ltd 05605522 User Manual

5  Maintenance  

21 

1 

- Connect the connecting cable to the 

MiniDIN probe socket of the testo 
552. 

 

2 

- Connect the connecting cable to the 

front-end MiniDIN probe socket of 
the testo 570. 

3 

- On the testo 570 set Evacuation 

mode. 

Ì

The testo 552 switches to Slave 
mode. 

 

Ì

The keys of the testo 552 are 
deactivated. 

Ì

The readings are transmitted to the 
testo 570. 

 

4 

- Remove the connecting cable. 

 

Ì

The testo 552 exits Slave mode. 

 

 

5

 Maintenance 

5.1

  Changing batteries 

1 

- Switch the instrument off. 

2 

- Flip hook up. 

3 

- Open the battery compartment. 

4 

- Remove batteries. 

5 

- Insert new batteries, observing the 

indications inside the battery 
compartment. 

6 

- Close the battery compartment. 

7 

- Fold hook down.