Promass 40 6 Commissioning
Endress+Hauser 29
Performing a zero point adjustment
1. Operate the system until operating conditions have settled.
2. Stop the flow (v = 0 m/s).
3. Check the shut-off valves for leaks.
4. Check that operating pressure is correct.
5. Perform a zero point adjustment as follows:
Procedure
HOME position
→ Enter the function matrix
Select the “PROCESS PARAMETER” function group
Select the “ZERO ADJUST.” function
Select “START”
Zero adjustment now starts. While zero adjustment is in progress, the “Zero adjustment running” mes-
sage is visible for 30...60 seconds.
If the flow of fluid in the pipe exceeds 0.1 m/s, an error message appears on the display:
“A: ZERO ADJUST NOT POSSIBLE”