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4.2.1 Configure Viscosity Measurement Unit
Display OFF-LINE MAINT > OFF-LINE CONFG > UNITS > DYN/VISC
OFF-LINE MAINT > OFF-LINE CONFG > UNITS > KIN/VISC
ProLink III Device Tools > Configuration > Process Measurement > Line Viscosity
Field Communicator Configure > Manual Setup > Measurements > Viscosity
Overview
The default measurement unit for dynamic viscosity is cP (centiPoise). The default
measurement unit for kinematic viscosity is cSt (centiStoke). You can configure a special
measurement unit for dynamic viscosity and kinematic viscosity.
Procedure
Verify that the unit is set correctly for both dynamic viscosity and kinematic viscosity.
Define a special measurement unit for dynamic viscosity or
kinematic viscosity
Display Not available
ProLink III Device Tools > Configuration > Process Measurement > Line Viscosity > Special Units
Field Communicator Configure > Manual Setup > Measurements > Optional Setup > Special Units
Overview
A special measurement unit is a user-defined unit of measure that allows you to report
process 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. You can define a
special measurement unit for dynamic viscosity, kinematic viscosity, or both.
Procedure
• To define a special unit for dynamic viscosity:
1. Calculate Dynamic Viscosity Special Unit Conversion Factor as follows:
a. x base units = y special units
b. Dynamic Viscosity Special Unit Conversion Factor = x ÷ y
2. Enter Dynamic Viscosity Special Unit Conversion Factor.
3. Set User-Defined Label to the name you want to use for the dynamic viscosity unit.
• To define a special unit for kinematic viscosity:
1. Calculate Kinematic Viscosity Special Unit Conversion Factor as follows:
a. x base units = y special units
Configure process measurement
Configuration and Use Manual 19