TESTO 0554 1111 - Page 9

3 Description of the instrument
10
4
Insert telescope into the handle
adapter (pay attention to the guide
groove and guide pin).
5
Push telescope in slightly and turn to
lock in place.
6
Push probe head onto the telescope
(pay attention to the guide groove
and guide pin).
7
Push probe head in slightly and turn
to lock in place.

The vane probe (Ø 16 mm) is ready to use.
3.4
High-precision vane probe (Ø 100 mm)
with Bluetooth
®
, including temperature
sensor (0635 9371)
Application
In conjunction with the testo 440, the high-precision vane probe (Ø 100 mm) is
used for flow measurement, e.g. at ventilation outlets.
Structure
1
Probe head
2
Handle adapter
3
Quick-release connector for
probe heads and adapter
4
LED status display
5
Button
6
Bluetooth
®
handle
7
Battery compartment (on rear)
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