Emerson Micro Motion LNG Series, Configuration And Use Manual

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Options for Volume Flow Measurement Unit for liquid applications
(continued)
Table 4-2:
Unit description ProLink III label
Barrels per minute
barrels/min
Barrels per hour barrels/hr
Barrels per day
barrels/day
Beer barrels per second
(2)
Beer barrels/sec
Beer barrels per minute Beer barrels/min
Beer barrels per hour
Beer barrels/hr
Beer barrels per day Beer barrels/day
Special unit
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
ProLink III
Device Tools
>
Configuration
>
Process Measurement
>
Flow
>
Special Units
Overview
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
.
5. Enter Volume Flow Conversion Factor .
The original volume flow rate value is divided by this conversion factor.
6. Set
Volume Flow Label
to the name you want to use for the volume flow unit.
Configure process measurement
Configuration and Use Manual 23