TESTO 400 - Connecting a Bluetooth Probe to the Testo 400

8 Commissioning
21
Disconnecting
>
Pull the connector out of the instrument.

The cable probe is listed in the sensor management in the Recently
connected probes section.
8.6.2 Connecting a Bluetooth
®
probe to the testo
400
The Bluetooth
®
connection from the testo 400 for the probes is always
activated and cannot be switched on and off manually. It is established
automatically, and no special pairing is required.
1
Switch on the probe using the button on the Bluetooth
®
handle and
make sure that the probe is located within a maximum distance of 1 m
from the testo 400.

The LED on the handle flashes yellow. As soon as the connection is
established, the LED flashes green.

The Bluetooth
®
probe is immediately displayed in the sensor
management, in the basic view and in the relevant measurement
menu.
2
Press the button on the probe handle for at least 3 seconds to switch
the probe off.

The Bluetooth
®
probe is listed in the sensor management in the
Recently connected probes section.
Probe LED status Description
Flashing red.
Low battery status
Flashing yellow.
The probe is switched on and searching for the
Bluetooth
®
connection.
Flashing green
The probe is switched on and connected to the testo
400 via Bluetooth
®
.