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Installation type for differential pressure and flow rate measurements
+
9
Installation type D
Start of scale value:
p
LRV
= p
start
- ρ
oil
* g * H
V
Full-scale value:
p
URV
= p
end
- ρ
oil
* g * H
V
Key
p
LRV
Start of scale value
p
URV
Full-scale value
p
start
Initial pressure in the container
p
end
Final pressure in the container
ρ
oil
Density of the filling oil in the capillary line of the remote seal
g
Acceleration due to gravity
H
V
Gland distance
H
1
Distance container flange to pressure transmitter
Installation types for level measurements (closed containers)
Reset the zero point after installation to compensate the liquid column on the minus side.
This measure applies to the following installation types:
Installing/mounting
5.4 Installation with remote seal
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
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