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Reference Manual
00809-0100-4663, Rev BA
January 2010
3-9
Rosemount 8732
Base Volume Unit
Base volume unit is the unit from which the conversion is being made. Set this
variable to the appropriate option.
Conversion Number
The special units conversion number is used to convert base units to special
units. For a straight conversion of volume units from one to another, the
conversion number is the number of base units in the new unit. For example,
if you are converting from gallons to barrels and there are 31 gallons in a
barrel, the conversion factor is 31.
Base Time Unit
Base time unit provides the time unit from which to calculate the special units.
For example, if your special units is a volume per minute, select minutes.
Special Flow Rate Unit
Special flow rate unit is a format variable that provides a record of the units to
which you are converting. The Handheld Communicator will display a special
units designator as the units format for your primary variable. The actual
special units setting you define will not appear. Four characters are available
to store the new units designation. The 8732 LOI will display the four
character designation as configured.
Example
To display flow in barrels per hour, and one barrel is equal to 31.0 gallons, the
procedure would be:
Set the Volume Unit to BARL.
Set the Base Volume Unit to gallons.
Set the Input Conversion Number to 31.
Set the Time Base to Hour.
Set the Rate Unit to BR/H.
Line Size The line size (flowtube sensor size) must be set to match the actual flowtube
sensor connected to the transmitter. The size must be specified in inches
according to the available sizes listed below. If a value is entered from a
control system or Handheld Communicator that does not match one of these
figures, the value will go to the next highest option.
The line size (inches) options are as follows:
Fast Keys 1, 3, 2, 2, 2
Fast Keys 1, 3, 2, 2, 3
Fast Keys 1, 3, 2, 2, 4
Fast Keys 1, 3, 2, 2, 5
Fast Keys 1, 3, 3
0.1, 0.15, 0.25, 0.30, 0.50, 0.75, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 10, 12, 14,
16, 18, 20, 24, 28, 30, 32, 36, 40, 42, 44, 48, 54, 56, 60, 64, 72, 80