Emerson MICRO MOTION 2700 Manual de instalación Pagina 178

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168 Transmitter Configuration and Use: Series 1000 and 2000 Transmitters
Configuring the Enhanced Density Application continued
Table D-2 Derived variables and available process variables
Available process variables
Derived variable – ProLink II label
and definition
Density at
reference
temperature
Standard
volume
flow rate
Specific
gravity
Concentration Net
mass
flow rate
Net
volume
flow rate
Density @ Ref
Density at reference temperature
Mass/unit volume, corrected to a given
reference temperature
✓✓
SG
Specific gravity
The ratio of the density of a process fluid at
a given temperature to the density of water
at a given temperature. The two given
temperature conditions do not need to be
the same
✓✓
Mass Conc (Dens)
Mass concentration derived from reference
density
The percent mass of solute or of material
in suspension in the total solution, derived
from reference density
✓✓
Mass Conc (SG)
Mass concentration derived from specific
gravity
The percent mass of solute or of material
in suspension in the total solution, derived
from specific gravity
✓✓
Volume Conc (Dens)
Volume concentration derived from
reference density
The percent volume of solute or of material
in suspension in the total solution, derived
from reference density
✓✓
Volume Conc (SG)
Volume concentration derived from specific
gravity
The percent volume of solute or of material
in suspension in the total solution, derived
from specific gravity
✓✓
Conc (Dens)
Concentration derived from reference
density
The mass, volume, weight, or number of
moles of solute or of material in
suspension in proportion to the total
solution, derived from reference density
✓✓
Conc (SG)
Concentration derived from specific gravity
The mass, volume, weight, or number of
moles of solute or of material in
suspension in proportion to the total
solution, derived from specific gravity
✓✓
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