Optional Transmitter Configuration

6.4.1About special measurement units

Special measurement units consist of:

Base unit – A combination of:

-Base mass or base volume unit – A measurement unit that the transmitter already recognizes (e.g., kg, m3)

-Base time unit – A unit of time that the transmitter already recognizes (e.g., seconds, days)

Conversion factor – The number by which the base unit will be divided to convert to the special unit

Special unit – A non-standard volume flow or mass flow unit of measure that you want to be reported by the transmitter

The terms above are related by the following formula:

x[BaseUnit(s)] = y[SpecialUnit(s)]

x[BaseUnit(s)] ConversionFactor = --------------------------------------------

y[SpecialUnit(s)]

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:

1 (gallon per minute)

------------------------------------------------------ = 0.125 (conversion factor)

8 (pints per minute)

Note: 1 gallon per minute = 8 pints per 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

Names can be up to 8 characters long.

4.To apply the special measurement unit to mass flow or volume flow measurement, select Special from the list of measurement units (see Section 4.4.1 or 4.4.2).

6.4.2Special mass flow unit

To create a special mass flow measurement unit:

1.Specify the base mass unit.

2.Specify the base time unit.

3.Specify the mass flow conversion factor.

4.Assign a name to the new special mass flow measurement unit.

5.Assign a name to the mass totalizer measurement unit.

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Micro Motion® Model 1500 Transmitters with the Filling and Dosing Application

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Emerson Process Management 1500 manual About special measurement units, Special mass flow unit

1500 specifications

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