Endress+Hauser Liquiphant FTL41 Brief Operating Instructions page 8

Mounting
5.1.2 Take viscosity into consideration
Viscosity values
• Low viscosity : < 2 000 mPa⋅s
• High viscosity: > 2 000 to 10 000 mPa⋅s
Low viscosity
It is permitted to position the tuning fork within the installation socket.
 3 Installation example for low-viscosity liquids. Unit of measurement mm (in)
High viscosity
NOTICE
Highly viscous liquids may cause switching delays.
‣
Make sure that the liquid can run off the tuning fork easily.
‣
Deburr the socket surface.
The tuning fork must be located outside the installation socket!
 4 Installation example for a highly viscous liquid. Unit of measurement mm (in)
8
> 25 (0.98)
> 40 (1.57)
Liquiphant FTL41
A0033297
A0037348
Endress+Hauser