Effect of Density Damping on volume measurement
Density Damping
affects liquid volume measurement. Liquid volume values are calculated from the damped
density value rather than the measured density value.
Density Damping
does not affect gas standard volume
measurement.
Interaction between Density Damping and mA Output Damping
When the mA Output is configured to report density, both
Density Damping
and
mA Output Damping
are
applied to the reported density value.
Density Damping
controls the rate of change in the value of the process variable in transmitter memory.
mA
Output Damping
controls the rate of change reported via the mA Output.
If
mA Output Source
is set to Density, and both
Density Damping
and
mA Output Damping
are set to non-
zero values, density damping is applied first, and the mA Output damping calculation is applied to the result
of the first calculation. This value is reported over the mA Output.
4.5.3 Configure Density Cutoff
Display
Menu
>
Configuration
>
Process Measurement
>
Density
>
Cutoff
ProLink III
Device Tools
>
Configuration
>
Process Measurement
>
Density
>
Density Cutoff
Field Communicator
Configure
>
Manual Setup
>
Measurements
>
Density
>
Density Cutoff
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.
•
Default: 0.2 g/cm
³
•
Range: 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
or polled
value if configured for polled base density.
4.6 Configure temperature measurement
The temperature measurement parameters control how temperature data is processed. Temperature data is
used in several different ways, including temperature compensation, API referral, and concentration
measurement.
4.6.1 Configure Temperature Measurement Unit
Display
Menu
>
Configuration
>
Process Measurement
>
Temperature
>
Units
Configure process measurement
Configuration and Use Manual
March 2019
MMI-20025166
48
Micro Motion Model 5700 Transmitters with Configurable Outputs