Take Viscosity Into Consideration - Endress+Hauser Liquiphant FTL51B Operating Instructions Manual

Installation
12
5.1.2

Take viscosity into consideration

Low viscosity
 8 Installation example for low-viscosity liquids. Unit of measurement mm (in)
D Diameter of installation socket: at least 50 mm (2.0 in)
Low viscosity, e. g. water: < 2 000 mPa⋅s
It is permitted to position the tuning fork within the installation socket.
High viscosity
 9 Installation example for a highly viscous liquid. Unit of measurement mm (in)
NOTICE
Highly viscous liquids may cause switching delays.
‣
Make sure that the liquid can run off the tuning fork easily.
‣
Deburr the socket surface.
High viscosity, e. g. viscous oils: < 10 000 mPa⋅s
The tuning fork must be located outside the installation socket!
> 25 (0.98)
> 40 (1.57)
Liquiphant FTL51B
A0033297
A0037348
Endress+Hauser