Commissioning; Insert Ethernet Module (Order No. 0554 6656) - TESTO 6681 Instruction Manual

1.3 Commissioning

1.3.1 Insert Ethernet module (Order no.
0554 6656)
The Ethernet module can be ordered retroactively as an accessory. It can
easily be installed in the testo 6681 humidity transmitter.

The probe connector must be disconnected.
1 Loosen screw connection (1) of service flap and open the flap.
2 Loosen and remove housing screws (2).
3 Remove upper part of housing (3) and place on a clean surface.
testo 6681 Ethernet
- 1.3 Commissioning 19