Siemens SITRANS P DS III - Page 58

Installing / mounting
4.5 "Remote seal" installation
SITRANS P DS III with PROFIBUS PA
58 Operating Instructions, 06/2013, A5E00053276-07
Installation types for level measurements (closed containers)
Installation type E
Start of scale value:
p
MA
= ρ
FL
* g * H
U
- ρ
oil
* g * H
V
Full
-scale value:
p
ME
= ρ
FL
* g * H
U
- ρ
oil
* g * H
V
Key
p
MA
Start of scale value
p
ME
Full-scale value
ρ
FL
Density of the process medium in the container
ρ
oil
Density of the filling oil in the capillary line of the remote seal
g
Acceleration due to gravity
H
U
Lower filling level
H
O
Upper filling level
H
V
Gland distance