Derived variable Description
Calculated process variables
Density at
reference
temp
Standard
volume
flow rate
Specific
gravity
Concentra
tion
Net mass
flow rate
Net
volume
flow rate
Concentration
(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
✓
✓
✓
Concentration
(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
✓
✓
✓
✓
Configuration and Use Manual Concentration measurement matrices, derived variables, and process
variables
MMI-20025166
March 2019
Configuration and Use Manual
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