Replacing The Filter/Protection Cap For Testo 6612 Duct Version - TESTO 6381 Instruction Manual

6.4.1.2.

Replacing the filter/protection cap for testo 6612 duct version

1. Undo screw (11) and pull shaft probe (9) together with
filter/protection cap (10) from the wall/duct holder (6).
2. Unscrew defective filter/protection cap from probe shaft and
screw on new filter/protection cap.
3. Replace O-ring (7) if necessary. Push probe shaft into duct as
far as the marking and fix position with screw (11).
Do not damage the sensors when exchanging the filter/the
protection cap and do not touch their surfaces!
Hint:
Mark the insertion length of the probe shaft near the screw
(11).
Screw on protection cap by hand, i.e. do not tighten it using
a tool.
6 testo 6610 probes
131