Unit description
Label
Display ProLink III Field Communicator
Imperial gallons per hour Impgal/h Imp gal/hr Impgal/h
Imperial gallons per day Impgal/d Imp gal/day Impgal/d
Barrels per second
(1)
bbl/s barrels/sec bbl/s
Barrels per minute
(1)
bbl/min barrels/min bbl/min
Barrels per hour
(1)
bbl/h barrels/hr bbl/h
Barrels per day bbl/d barrels/day bbl/d
Beer barrels per second
(2)
Beer bbl/s Beer barrels/sec Beer bbl/s
Beer barrels per minute
(2)
Beer bbl/min Beer barrels/min Beer bbl/min
Beer barrels per hour
(2)
Beer bbl/h Beer barrels/hr Beer bbl/h
Beer barrels per day
(2)
Beer bbl/d Beer barrels/day Beer bbl/d
Special unit SPECIAL Special Special
(1) Unit based on oil barrels (42 U.S. gallons).
(2) Unit based on U.S. beer barrels (31 U.S. gallons).
Define a special measurement unit for volume flow
Display
Menu > Configuration > Process Measurement > Flow Variables > Volume Flow Settings > Units >
SPECIAL
ProLink III Device Tools > Configuration > Process Measurement > Flow > Volume Flow Rate Unit > Special
Field Communicator Configure > Manual Setup > Measurements > Optional Setup > Special Units > Volume Special Units
A special measurement unit is a user-defined unit of measure that allows you to report process data, totalizer
data, and inventory data in a unit that is not available in the transmitter. A special measurement unit is
calculated from an existing measurement unit using a conversion factor.
Procedure
1. Specify Base Volume Unit.
Base Volume Unit is the existing volume unit that the special unit will be based on.
2. Specify Base Time Unit.
Base Time Unit is the existing time unit that the special unit will be based on.
3. Calculate Volume Flow Conversion Factor as follows:
a) x base units = y special units
b) Volume Flow Conversion Factor = x ÷ y
4. Enter Volume Flow Conversion Factor.
The original volume flow rate value is divided by this conversion factor.
5. Set Volume Flow Label to the name you want to use for the volume flow unit.
Configuration and Use Manual Configure process measurement
MMI-20025166 March 2019
Configuration and Use Manual 39
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