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50 Micro Motion
®
Series 3000 MVD Transmitters and Controllers
Configuring Inputs
To create a special unit, you must:
1. Identify the simplest base volume or mass and base time units for your special mass flow or
volume flow unit. For example, to create the special volume flow unit pints per minute, the
simplest base units are gallons per minute:
• Base volume unit: gallon
• Base time unit: minute
2. Calculate the conversion factor using the formula below:
Note: 1 gallon/minute = 8 pints/minute.
3. Name the new special mass flow or volume flow measurement unit and its corresponding
totalizer measurement unit:
• Special volume flow measurement unit name: Pint/min
• Volume totalizer measurement unit name: Pints
Special unit parameters are listed and defined in Table 7-7.
Table 7-7 Special unit parameters
Variable Default Description
Base mass unit g Enter the base unit to be used for the special unit for mass flow.
Base mass time Sec Enter the base time unit to be used for the special unit for mass flow.
Mass flow
conversion factor
1.0000 Enter the conversion factor that will be used to calculate the special unit for mass
flow.
Mass flow text NONE Enter the name to be used for the special unit for mass flow. The name can contain
up to 8 characters.
Mass total text NONE Enter the name to be used for the mass totalizer. The name can contain up to 8
characters.
Base volume unit l Enter the base unit to be used for the special unit for liquid volume flow.
Base volume time Sec Enter the base time unit to be used for the special unit for liquid volume flow.
Volume flow
conversion factor
1.0000 Enter the conversion factor that will be used to calculate the special unit for liquid
volume flow.
Volume flow text NONE Enter the name to be used for the special unit for liquid volume flow. The name can
contain up to 8 characters.
Volume total text NONE Enter the name to be used for the special unit for the liquid volume totalizer. The
name can contain up to 8 characters.
Base gas volume
unit
SCF Enter the base unit to be used for the special unit for gas standard volume flow.
Base gas volume
time
Min Enter the base time unit to be used for the special unit for gas standard volume flow.
Gas volume flow
conversion factor
1.0000 Enter the conversion factor that will be used to calculate the special unit for gas
standard volume flow.
Gas volume flow
text
NONE Enter the name to be used for the special unit for gas standard volume flow. The
name can contain up to 8 characters.
Gas volume total
text
NONE Enter the name to be used for the special unit for the gas standard volume totalizer.
The name can contain up to 8 characters.
1 (gallon per minute)
8 (pints per minute)
------------------------------------------------------- 0.125 (conversion factor)=