5 Parameterizing, adjusting and analyzing software (P2A software)
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5.3.4.
Adjusting the transmitter
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This function is used to adjust an attached instrument. The
following adjustments may be carried out using the software:
•
Analog adjustment (entry via assistant/wizard)
• n-point adjustment (entry via assistant/wizard)
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5.3.4.1.
n-point adjustment
With an n-point adjustment, the parameters at the 3-6
measurement points are adjusted to the reference value. The
reference conditions are obtained by using a precise pressure
sensor that should be 5-times more accurate than the transmitter.
✓
A precise pressure sensor (5-times more accurate than the
transmitter, e.g. DPC precision pressure sensor from testo
industrial services) is available.
1.
Connect positive output of the pressure sensor (
3
) to the
positive pressure connection of the transmitter (
2
) and the
negative output of the pressure sensor (
3
) to the negative
pressure connection of the transmitter (
1
).
1
Negative pressure connection
2.
Positive pressure connection
3.
Pressure sensor
4.
Connect transmitter to PC via service plug.
5.
Mark the instrument file of the connected instrument in the P2A
software.
6.
Click on
[Adjusting the transmitter]
.
- The
Properties of <Instrument type> <Serial number>
dialogue is opened with the
Adjusting the transmitter
register.
7.
Mark
n-point adjustment
.
8.
Click on
[Start wizard …]
and follow the instructions of the
wizard.
-
The adjustment is performed when the wizard is closed.
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