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Density Damping controls the rate of change in the density process variable. Added Damping
controls the rate of change reported via the mA output. If mA Output Process Variable is set to
Density, and both Density Damping and Added Damping are set to non-zero values, density
damping is applied first, and the added damping calculation is applied to the result of the
first calculation.
4.5.4 Configure Density Cutoff
ProLink II ProLink > Configuration > Density > Low Density Cutoff
ProLink III Device Tools > Configuration > Process Measurement > Density
Field Communicator Configure > Manual Setup > Measurements > Density > Density Cutoff
Overview
Density Cutoff specifies the lowest density value that will be reported as measured. All
density values below this cutoff will be reported as 0.
Procedure
Set Density Cutoff to the value you want to use.
The default value for Density Cutoff is 0.2 g/cm
3
. The range is 0.0 g/cm
3
to 0.5 g/cm
3
.
Effect of Density Cutoff on volume measurement
Density Cutoff affects liquid volume measurement. If the density value goes below Density
Cutoff, the volume flow rate is reported as 0. Density Cutoff does not affect gas standard
volume measurement. Gas standard volume values are always calculated from the value
configured for Standard Gas Density.
4.6 Configure temperature measurement
The temperature measurement parameters control how temperature data from the
sensor is reported. Temperature data is used to compensate for the effect of temperature
on the sensor tubes during flow measurement .
The temperature measurement parameters include:
•
Temperature Measurement Unit
•
Temperature Damping
Configure process measurement
Configuration and Use Manual 49