Electrical connection
5.5 Sealing of SONO 3500 CT
SONO 3500 CT
Operating Instructions, 07/2019, VI.SH.P2.02
35
Note
For type-approved and verified SONO 3500 CT flowmeters
The HW key is located behind the display and is thereby protected by the display sealing.
The verification sealing can only be broken by the user with acceptance of the local
authorities