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Options for HART variables (continued)Table 6-14:
Process variable Primary Varia-
ble (PV)
Secondary
Variable (SV)
Third Variable
(TV)
Fourth Varia-
ble (QV )
Mass flow rate ✓ ✓ ✓ ✓
Line (Gross) Volume flow rate ✓ ✓ ✓ ✓
Temperature ✓ ✓ ✓
Density ✓ ✓ ✓
Drive gain ✓ ✓ ✓
Mass total ✓
Line (Gross) Volume total ✓
Mass inventory ✓
Line (Gross) Volume inventory ✓
Raw Tube frequency ✓
Meter temperature (T-Series) ✓
LPO amplitude ✓
RPO amplitude ✓
Board temperature ✓
External pressure ✓ ✓ ✓
External temperature ✓ ✓ ✓
Gas standard volume flow rate ✓ ✓ ✓ ✓
Gas standard volume total ✓
Gas standard volume inventory ✓
Live zero ✓
Petroleum measurement
API density ✓ ✓ ✓
API volume flow rate ✓ ✓ ✓ ✓
API volume total ✓
API volume inventory ✓
API average density ✓ ✓ ✓
API average temperature ✓ ✓ ✓
API CTL ✓
Concentration measurement
CM density at reference temperature ✓ ✓ ✓
CM specific gravity ✓ ✓ ✓
CM standard volume flow rate ✓ ✓ ✓ ✓
CM standard volume total ✓
CM standard volume inventory ✓
CM net mass flow rate ✓ ✓ ✓ ✓
Integrate the meter with the control system
Configuration and Use Manual 115