ABB LS4000 Operating Instructions Manual page 66

Diode laser analyzer, version for measuring nh3 and h2o highest precision under harshest conditions
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66
Name
Temperature input
Fixed pressure level
Fixed temperature level
Offset pressure
Offset temperature
External pressure source
Pressure corresponding to
4 mA
Pressure corresponding to
20 mA
External temperature
source
Temperature corresponding
to 4 mA
Temperature corresponding
to 20 mA
Enable process broadening YES: Measurement with correction of the
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Operating instruction LS4000 for NH
Meaning/function
Select the source of the value for the temperature
FIXED: Use a manually entered value
EXTERNAL: Use the value measured using a connected
T-probe
AMBIENT: Use the ambient value measured by the
analyzer
Enter a fixed value for the pressure
Enter a fixed value for the temperature
Enter the difference between the measured and actual
pressure in the process
Enter the difference between the measured and actual
temperature in the process
Select interface to connect the P-probe
CURRENT LOOP: 4 - 20 mA input
Enter the pressure value that corresponds to a current
of 4 mA
Enter the pressure value that corresponds to a current
of 20 mA
Select interface to connect the T-probe
CURRENT LOOP: 4 - 20 mA input
Enter the temperature value that corresponds to a
current of 4 mA
Enter the temperature value that corresponds to a
current of 20 mA
cross-sensitivity matrix (for in-process measurement)
NO: NH
measurement without cross-sensitivity cor-
3
rection (for calibration and validation)
Back to previous menu
Cancel the process and exit the menu
Continue to the next menu
and H
O
3
2
OI/LS4000/NH3/H2O-EN

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