Derived
Variable
Description
Density
Mass/unit volume, cor-
at Reference
rected to a given refer-
ence temperature
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 temper-
ature conditions do not
need to be the same.
Mass
The percent mass of
Concentration
solute or of material in
(Density)
suspension in the total
solution, derived from
reference density
Mass
The percent mass of
Concentration
solute or of material in
(Specific Gravity)
suspension in the total
solution, derived from
specific gravity
Volume
The percent volume of
Concentration
solute or of material in
(Density)
suspension in the total
solution, derived from
reference density
Volume
The percent volume of
Concentration
solute or of material in
(Specific Gravity)
suspension in the total
solution, derived from
specific gravity
Concentration
The mass, volume,
(Density)
weight, or number of
moles of solute or of
material in suspension
in proportion to the to-
tal solution, derived
from reference density
Configuration and Use Manual
Calculated process variables
Density at
reference
Standard
tempera-
volume
Specific
ture
flow rate
gravity
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Configure process measurement
Concen-
Net mass
tration
flow rate
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Net
volume
flow rate
✓
✓
57