TESTO 0554 1111 - Page 7

3 Description of the instrument
8
Low flow velocities may result in greater measurement uncertainties
during temperature and humidity measurement. The probe should be
switched on outside a duct under the following conditions:
Ambient temperature: 20°C
Flow: approx. 0 m/s.
Connect hot wire probe to the handle
1
Turn quick-release connector,
viewed from the handle end, through
90° anticlockwise until it locks in
place.
2
Insert handle adapter into the handle
(pay attention to coding).
3
Turn quick-release connector back
through 90° until it locks in place.
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 hot wire probe is ready to use.
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