Siemens SITRANS P Operating Instructions Manual page 100

Commissioning
8.5 Application examples
12.For the lower range value 0 bar, check the zero point (4 mA).
If the differential pressure lines
temperature, the measurement result is error-free. Otherwise, repeat the zero-point
adjustment.
13.Close the stabilizing valve
14.Fully open the differential pressure valves
Cleaning process cable
1. To clean the line, briefly open the drain valves
2. Close the drain valve
100
⑤
have equally high condensate columns with the same
②
.
③
⑦
before vapor escapes.
④
and .
⑦
.
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC