TESTO 0554 1111 - Page 6

3 Description of the instrument
7
Remove battery safety strips
1
Pull safety strips out of the
battery compartment.
3.2
Hot wire probe with Bluetooth
®
,
including temperature and humidity
sensor (0635 1571)
Use
In conjunction with the testo 440, the hot wire probe is suitable for flow and
humidity measurements in ventilation ducts.
Structure
1
Probe head
2
Probe head connection
3
Telescope
4
Handle adapter
5
Quick-release connector for
probe heads and adapter
6
LED status display
7
Button
8
Bluetooth
®
handle
9
Battery compartment (on rear)
CAUTION
Damage to sensor possible!
- Do not touch sensor!
- Put the protective sleeve on after the measurement.
w ww. . com
information@itm.com1.800.561.8187