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Option Setup
A value written by
digital communica-
tions
a. Choose Online > Configure > Manual Setup > Measurements > External
Pressure/Temperature > Temperature.
b.
Set External Temperature to Enabled.
c. Perform the necessary host programming and communications
setup to write temperature data to the transmitter at appropri-
ate intervals.
Note
If the Weights & Measures application is implemented and the trans-
mitter is secured, digital communications cannot be used to write
temperature data to the transmitter.
4.7.4 API reference tables
API reference tables, associated process fluids, and associated calculation valuesTable 4-13:
Table
name Process fluid CTL source data Reference temperature Density unit
5A Generalized crude and
JP4
Observed density and
observed temperature
60 °F (non-configurable) Degrees API
Range: 0 to 100
5B Generalized products Observed density and
observed temperature
60 °F (non-configurable) Degrees API
Range: 0 to 85
5D Lubricating oils Observed density and
observed temperature
60 °F (non-configurable) Degrees API
Range: −10 to +40
6C Liquids with a constant
density base or known
thermal expansion coef-
ficient
User-supplied reference
density (or thermal ex-
pansion coefficient) and
observed temperature
60 °F (non-configurable) Degrees API
23A Generalized crude and
JP4
Observed density and
observed temperature
60 °F (non-configurable) Relative density
Range: 0.6110 to 1.0760
23B Generalized products Observed density and
observed temperature
60 °F (non-configurable) Relative density
Range: 0.6535 to 1.0760
23D Lubricating oils Observed density and
observed temperature
60 °F (non-configurable) Relative density
Range: 0.8520 to 1.1640
24C Liquids with a constant
density base or known
thermal expansion coef-
ficient
User-supplied reference
density (or thermal ex-
pansion coefficient) and
observed temperature
60 °F (non-configurable) Relative density
53A Generalized crude and
JP4
Observed density and
observed temperature
15 °C (configurable) Base density
Range: 610 to
1075 kg/m
3
Configure process measurement
Configuration and Use Manual 57