Endress+Hauser Proline Prosonic Flow 91 Operating Instructions Manual page 88

Description of device functions
88
WALL THICKNESS Use this function to display the wall thickness of the pipe.
The wall thickness must be entered.
User input:
Fixed point number 0.1 to max. 1000 mm (depends on nominal diameter)
Factory setting:
3.2 mm
Functional description PIPE DATA
Proline Prosonic Flow 91
Endress+Hauser