Siemens SITRANS P DS III Operating Instructions Manual page 51

Assembly on a closed container
When taking measurements in a closed container without or with little condensate formation,
the negative pressure line is not filled. Lay the line in such a way that pockets of condensate
do not form. Install a condensation container if required.
Measurement assembly on a closed container (no or
h
U
h
O
p
SITRANS P DS III/P410 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00053276-08
little condensate separation)
Lower filling level
Upper filling level
Pressure
Formula:
Start-of-scale value: Δp
h
U
Full-scale value: Δp
Δp Start of scale value
MA
Δp Full-scale value
ME
ρ Density of the measured medium in
the container
g Acceleration due to gravity
Installing / mounting
4.4 "Level" installation
= ρ · g ·
MA
= ρ · g · h
ME O
51