TESTO 0554 1111 - Page 12

3 Description of the instrument
13
3
Turn quick-release connector back
through 90° until it locks in place.
4
Insert probe head into the handle
adapter (pay attention to the guide
groove and guide pin).
5
Push probe head in slightly and turn
to lock in place.

The vane probe is ready to use.
If necessary, the telescope (order no. 0554 0960) and the 90° angle
(order no. 0554 0991) can be connected, e.g. for measurements at
ceiling outlets.
3.6
High-precision temperature/humidity
probe with Bluetooth
®
(0636 9771)
Application
In conjunction with the testo 440, the high-precision temperature/humidity
probe is used to measure humidity and temperature.
Structure
1
Probe head
2
Quick-release connector
3
LED status display
4
Button
5
Bluetooth
®
handle
6
Battery compartment (on rear)
CAUTION
Damage to sensor possible!
- Do not touch sensor!
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