TESTO 6681 Instruction Manual page 105

B 1 Duct mounting of probe
Only atmospheric processes up to approx. 1 bar positive pressure.
Alternatively, the single-hole duct holder (order no. 0554 1793) can also be
used.
testo 6610
Engage transmitter in the holder on the
end of the duct probe
Hole ∅ 12.5 mm
Wall/duct holder
Order no. 0554 6651
- 2.3 Commissioning 105