Testo 625 Thermo-Hygrometer 0563 6251 用户手册

5. Operation 29

Select the desired option with 

and confirm with

:

· YES: Switches automatic probe detection on

(recommended).

· no: Switches automatic probe detection off.

no

was selected: 

Use 

/ 

to set the probe ID manually and

confirm with 

.

º

Continue with objective 

T

O SET

A

UTO

O

FF

.

YES

was selected: 

- Automatic probe detection is started.
- Once a radio probe is found, the probe ID is

displayed. If no probe is found, NONE lights up.

If more than one radio probe is switched on:

i

If necessary, select the desired probe with 

/

.

Possible causes why probes are not found:

· The radio probe is not switched on or the

battery of the radio probe is spent.

· The radio probe is outside the range of the

measuring instrument.

· Sources of interference are influencing the radio

transmission (e.g. reinforced concrete, metal
objects, walls or other barriers between
transmitter and receiver, other transmitters of the
same frequency, strong electromagnetic fields).

i

If necessary, rectify the possible causes for the
disruption to the radio transmission and start
configuration mode again. 

Press

to change to the next function. 

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