Samson Media 7 5007-1, Mounting And Operating Instructions, Page: 66 / 124

7-10 EB 9510 EN
Start-up and configuration
Performing zero calibration
The user level must be set to 'Specialist' for the zero calibration (see section 7.2).
1. Press key (in start screen) to go to the main menu.
2.
Select [Start-up| 1] with or key and confirm with key.
3. Select [Pressure sensor span | 1.10] with or key and confirm with key.
4. Select 'Set span' with or key and confirm with key.
5. Select 'Reset span' with or key and confirm with key.
6. Press to exit the [Pressure sensor span| 1.9] parameter.
7. Select [Zero point of pressure sensor | 1.8] with or key and confirm with key.
8. Select 'Set zero' with or key and confirm with key.
The current values for measured value and zero are displayed.
9. Press key to set zero.
After zero calibration is completed:
Î
Close the open screw plug.
Î
Close the bypass valve.
Î
Slowly open the shut-off valves (+) and (–).
b) Pressure sensor span
For a more detailed calibration of the pressure sensor, the measuring range (span) can also
be set and checked in addition to the zero point.
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Observe the sequence:
1.
Calibrating the zero of the pressure sensor (see section 7.5 a)).
2. Set and check the measuring range (pressure sensor span).
Î
Create a defined reference pressure (e.g. 10.0 bar) at the low-pressure pipe (p
2
).
Note