6 Commissioning Prosonic Flow 92
44 Endress+Hauser
Performing a zero point adjustment
1. Operate the system until normal operating conditions resume.
2. Stop the flow (v = 0 m/s).
3. Check the shut-off valves for leaks.
4. Check that operating pressure is correct.
5. Using the local display, select the “ZEROPOINT ADJUST” function in the function
matrix:
SITE SETUP
→ ZEROPOINT ADJUST → START
6.3 Data storage
If the power supply (via battery or adapter) fails, all the data are stored with the aid of a
lithium battery.
"
Caution!
In normal usage, the battery has a service life of about 5 years. When the battery has
reached the end of its service life, all data stored in the memory will be lost, see
Section 9 “Trouble- shooting”.
For replacement, please contact E+H.
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